{"already_in_source_count":0,"candidate_count":193,"cross_major":false,"cve_available":true,"cve_count":0,"cves":[],"duplicate_count":0,"excluded_count":0,"exclusions":[],"from_release":null,"groups":[{"age_days":3931,"build":"9.5.0","changes_count":181,"compatibility_count":12,"content_hash":"140e8a86cdc616ecc079ca2a95b30b1d63f210a5ac2104a049f7e95cbcba337e","date":"2016-01-07","date_text":"2016-01-07","doc_git":"","doc_loaded_at":"2026-09-26T02:56:44.718140","entries":[{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["c6b3c93"],"commit_groups":[["c6b3c93"]],"commits":[],"cves":[],"db_id":"09456502b7d24637be33e011033216a5","html":"\u003cp\u003e调整\u003ca href=\"/docs/9.5/sql-syntax.html#SQL-PRECEDENCE\" title=\"4.1.6. 操作符优先级\"\u003e操作符优先级\u003c/a\u003e以符合 \u003cacronym\u003eSQL\u003c/acronym\u003e 标准（Tom Lane）\u003c/p\u003e\n\u003cp\u003e\u003ccode\u003e\u0026lt;=\u003c/code\u003e、\u003ccode\u003e\u0026gt;=\u003c/code\u003e 和 \u003ccode\u003e\u0026lt;\u0026gt;\u003c/code\u003e 的优先级已降低到与 \u003ccode\u003e\u0026lt;\u003c/code\u003e、\u003ccode\u003e\u0026gt;\u003c/code\u003e 和 \u003ccode\u003e=\u003c/code\u003e 相同。\u003ccode\u003eIS\u003c/code\u003e 测试（例如 \u003cem\u003e\u003ccode\u003ex\u003c/code\u003e\u003c/em\u003e \u003ccode\u003eIS NULL\u003c/code\u003e）的优先级已降低到恰好位于这六个比较操作符之下。此外，以 \u003ccode\u003eNOT\u003c/code\u003e 开头的多关键字操作符现在具有其基础操作符的优先级（例如 \u003ccode\u003eNOT BETWEEN\u003c/code\u003e 现在与 \u003ccode\u003eBETWEEN\u003c/code\u003e 优先级相同），而以前它们的优先级并不一致：对左操作数表现得像 \u003ccode\u003eNOT\u003c/code\u003e，对右操作数表现得像其基础操作符。新的配置参数\u003ca href=\"/docs/9.5/runtime-config-compatible.html#GUC-OPERATOR-PRECEDENCE-WARNING\"\u003eoperator_precedence_warning\u003c/a\u003e可以启用，以就在这些优先级变更导致不同解析选择的查询发出警告。\u003c/p\u003e","id":"9.5.0-ce5b9061744b1e9f","identity_text":"Adjust operator precedence to match the SQL standard (Tom Lane) The precedence of \u003c=, \u003e= and \u003c\u003e has been reduced to match that of \u003c, \u003e and =. The precedence of IS tests (e.g., x IS NULL) has been reduced to be just below these six comparison operators. Also, multi-keyword operators beginning with NOT now have the precedence of their base operator (for example, NOT BETWEEN now has the same precedence as BETWEEN) whereas before they had inconsistent precedence, behaving like NOT with respect to their left operand but like their base operator with respect to their right operand. The new configuration parameter guc-operator-precedence-warning can be enabled to warn about queries in which these precedence changes result in different parsing choices.","part":"migration","patch_ids":["4f1d8eaa85eb9996cb6419ca802d12da"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["c6b3c93"],"source_entry_id":"9.5.0/migration/001","source_hash":"f87ae3386988251ba6f5a70284088c60bbb94244d242e3436eeb8b957b721361","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"4454a1937683d56177191e2081241380762685d525956342a59a8893470c8c77","text":"调整操作符优先级以符合 SQL 标准（Tom Lane） \u003c=、\u003e= 和 \u003c\u003e 的优先级已降低到与 \u003c、\u003e 和 = 相同。IS 测试（例如 x IS NULL）的优先级已降低到恰好位于这六个比较操作符之下。此外，以 NOT 开头的多关键字操作符现在具有其基础操作符的优先级（例如 NOT BETWEEN 现在与 BETWEEN 优先级相同），而以前它们的优先级并不一致：对左操作数表现得像 NOT，对右操作数表现得像其基础操作符。新的配置参数operator_precedence_warning可以启用，以就在这些优先级变更导致不同解析选择的查询发出警告。","title":"调整操作符优先级以符合 SQL 标准","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["0badb06"],"commit_groups":[["0badb06"]],"commits":[],"cves":[],"db_id":"f76a6aa690d0c54ecde945f7684765a5","html":"\u003cp\u003e把\u003ca href=\"/docs/9.5/app-pg-ctl.html\" title=\"pg_ctl\"\u003e\u003cspan\u003e\u003cspan\u003epg_ctl\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e的默认关闭模式从 \u003ccode\u003esmart\u003c/code\u003e 改为 \u003ccode\u003efast\u003c/code\u003e（Bruce Momjian）\u003c/p\u003e\n\u003cp\u003e这意味着默认行为将是强制取消现有的数据库会话，而不是简单地等待它们退出。\u003c/p\u003e","id":"9.5.0-715c8b65af337a76","identity_text":"Change app-pg-ctl 's default shutdown mode from smart to fast (Bruce Momjian) This means the default behavior will be to forcibly cancel existing database sessions, not simply wait for them to exit.","part":"migration","patch_ids":["d4c48015af1ecb5f3e967053a45afbb6"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["0badb06"],"source_entry_id":"9.5.0/migration/002","source_hash":"1e63dd781478d9fbf641859b38c05969d31beed300211a7dd0c9fc716a93d8c2","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"046ab2f5e8c63575089f137a3385f83e28d012ad3d490112ce0dee7b221b87cf","text":"把pg_ctl的默认关闭模式从 smart 改为 fast（Bruce Momjian） 这意味着默认行为将是强制取消现有的数据库会话，而不是简单地等待它们退出。","title":"把pg_ctl的默认关闭模式从 smart 改为 fast","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["1345cc6"],"commit_groups":[["1345cc6"]],"commits":[],"cves":[],"db_id":"3f0f5b73f4421a0fe1692fdf4dedd1d3","html":"\u003cp\u003e在 \u003cspan\u003ePL/pgSQL\u003c/span\u003e 赋值中使用赋值转换行为进行数据类型转换，而不是经由文本往返转换（Tom Lane）\u003c/p\u003e\n\u003cp\u003e此变更使布尔值到字符串的转换产生 \u003ccode\u003etrue\u003c/code\u003e 或 \u003ccode\u003efalse\u003c/code\u003e，而不是 \u003ccode\u003et\u003c/code\u003e 或 \u003ccode\u003ef\u003c/code\u003e。其他类型转换可能在比以前更多的情况下成功；例如，把数值 \u003ccode\u003e3.9\u003c/code\u003e 赋给整数变量现在会赋值 4，而不是失败。如果没有为特定的源类型和目标类型定义赋值级转换，\u003cspan\u003ePL/pgSQL\u003c/span\u003e 将回退到旧的 I/O 转换行为。\u003c/p\u003e","id":"9.5.0-84db91e7afc45d2b","identity_text":"Use assignment cast behavior for data type conversions in PL/pgSQL assignments, rather than converting to and from text (Tom Lane) This change causes conversions of Booleans to strings to produce true or false, not t or f. Other type conversions may succeed in more cases than before; for example, assigning a numeric value 3.9 to an integer variable will now assign 4 rather than failing. If no assignment-grade cast is defined for the particular source and destination types, PL/pgSQL will fall back to its old I/O conversion behavior.","part":"migration","patch_ids":["c8c98faf502965329aa996051cdf8ab9"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["1345cc6"],"source_entry_id":"9.5.0/migration/003","source_hash":"96278c3d360d4ca41140894521f7e339e923957b782ef6dfc0421f914c68e6df","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"c25ba8f7e9814d5f13146770808e7a37a31237b186205b6091a5ec8532817590","text":"在 PL/pgSQL 赋值中使用赋值转换行为进行数据类型转换，而不是经由文本往返转换（Tom Lane） 此变更使布尔值到字符串的转换产生 true 或 false，而不是 t 或 f。其他类型转换可能在比以前更多的情况下成功；例如，把数值 3.9 赋给整数变量现在会赋值 4，而不是失败。如果没有为特定的源类型和目标类型定义赋值级转换，PL/pgSQL 将回退到旧的 I/O 转换行为。","title":"在 PL/pgSQL 赋值中使用赋值转换行为进行数据类型转换，而不是经由文本往返转换","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["11a020e"],"commit_groups":[["11a020e"]],"commits":[],"cves":[],"db_id":"776ca8c2ff7a46147225cef0dc21fbd9","html":"\u003cp\u003e允许\u003ca href=\"/docs/9.5/libpq.html#LIBPQ-CONNECT-OPTIONS\"\u003e服务器命令行选项\u003c/a\u003e中的字符用反斜杠转义（Andres Freund）\u003c/p\u003e\n\u003cp\u003e以前，选项字符串中的空格总是分隔选项，因此无法在选项值中包含空格。现在要在选项值中包含反斜杠，需要写成 \u003ccode\u003e\\\\\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-4849e354a78a80f8","identity_text":"Allow characters in server command-line options to be escaped with a backslash (Andres Freund) Formerly, spaces in the options string always separated options, so there was no way to include a space in an option value. Including a backslash in an option value now requires writing \\\\.","part":"migration","patch_ids":["114db17ee51740f9c66a6a9140e0ed4d"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["11a020e"],"source_entry_id":"9.5.0/migration/004","source_hash":"d8e18a3e6c1a7b18669d6dbe9fc3ee699a95ea3a2fa2c9c284030e27868118bd","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"76426c3225363af3fa6fd204e521006544075db8eaf0a01d7d4d51aa66147efa","text":"允许服务器命令行选项中的字符用反斜杠转义（Andres Freund） 以前，选项字符串中的空格总是分隔选项，因此无法在选项值中包含空格。现在要在选项值中包含反斜杠，需要写成 \\\\。","title":"允许服务器命令行选项中的字符用反斜杠转义","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["9a08841"],"commit_groups":[["9a08841"]],"commits":[],"cves":[],"db_id":"19e7ecb2ef7caa740440640f683f07eb","html":"\u003cp\u003e把 GSSAPI 的 \u003ca href=\"/docs/9.5/auth-methods.html#GSSAPI-AUTH\" title=\"19.3.3. GSSAPI 认证\"\u003e\u003ccode\u003einclude_realm\u003c/code\u003e\u003c/a\u003e 参数默认值改为 1，因此默认情况下不会从 \u003cacronym\u003eGSS\u003c/acronym\u003e 或 \u003cacronym\u003eSSPI\u003c/acronym\u003e 主体名中移除领域（realm）（Stephen Frost）\u003c/p\u003e","id":"9.5.0-464ac09513906494","identity_text":"Change the default value of the GSSAPI include_realm parameter to 1, so that by default the realm is not removed from a GSS or SSPI principal name (Stephen Frost)","part":"migration","patch_ids":["1ebcd89154c1ba20aa11883162d283ff"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["9a08841"],"source_entry_id":"9.5.0/migration/005","source_hash":"9b1e090358e6144e64fc55b77f05840c097066f98270337e04cbf80fd2f9e1b9","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"7d91eb8a45894b7063f283184d2da9ac94a82477f8b4d6988a015e1fee63348a","text":"把 GSSAPI 的 include_realm 参数默认值改为 1，因此默认情况下不会从 GSS 或 SSPI 主体名中移除领域（realm）（Stephen Frost）","title":"把 GSSAPI 的 include_realm 参数默认值改为 1，因此默认情况下不会从 GSS 或 SSPI 主体名中移除领域（realm）","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["88e9823","a0f5954","d661532"],"commit_groups":[["88e9823"],["a0f5954"],["d661532"]],"commits":[],"cves":[],"db_id":"09ab299c9ccead03aaadbf12e90c4212","html":"\u003cp\u003e用\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-MIN-WAL-SIZE\"\u003emin_wal_size\u003c/a\u003e和\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-MAX-WAL-SIZE\"\u003emax_wal_size\u003c/a\u003e替换配置参数 \u003ccode\u003echeckpoint_segments\u003c/code\u003e（Heikki Linnakangas）\u003c/p\u003e\n\u003cp\u003e如果你以前调整过 \u003ccode\u003echeckpoint_segments\u003c/code\u003e，以下公式可给出近似等效的设置：\u003c/p\u003e\n\u003cpre\u003emax_wal_size = (3 * checkpoint_segments) * 16MB\n\u003c/pre\u003e\n\u003cp\u003e注意，\u003ccode\u003emax_wal_size\u003c/code\u003e 的默认设置比过去 \u003ccode\u003echeckpoint_segments\u003c/code\u003e 的默认值高得多，因此可能不再需要调整它。\u003c/p\u003e","id":"9.5.0-0ec85082572d2200","identity_text":"Replace configuration parameter checkpoint_segments with guc-min-wal-size and guc-max-wal-size (Heikki Linnakangas) If you previously adjusted checkpoint_segments, the following formula will give you an approximately equivalent setting: max_wal_size = (3 * checkpoint_segments) * 16MB Note that the default setting for max_wal_size is much higher than the default checkpoint_segments used to be, so adjusting it might no longer be necessary.","part":"migration","patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"related_changes":[{"db_id":"cfe2d54b837f493c7330f27602a3409a","evidence":{"patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"same_day":true},"kind":"related","label":"9.5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.6","title":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments","url":"/docs/compare/?release=9.5.0#9.5.0-42a4f1960250cc53","version":"9.5.0"}],"relations":[{"evidence":{"patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"same_day":true},"rule":2,"target":"cfe2d54b837f493c7330f27602a3409a","type":"related"}],"section":"兼容性","section_path":["兼容性"],"source_commits":["88e9823","a0f5954","d661532"],"source_entry_id":"9.5.0/migration/006","source_hash":"56e28247953078840617e71d848ce15b5e3695a182d2fadda352b299abaab63f","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"d58246238e3cc54023d86858aa0bb04c08524a806c62762d36915b825ddbf235","text":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments（Heikki Linnakangas） 如果你以前调整过 checkpoint_segments，以下公式可给出近似等效的设置： max_wal_size = (3 * checkpoint_segments) * 16MB 注意，max_wal_size 的默认设置比过去 checkpoint_segments 的默认值高得多，因此可能不再需要调整它。","title":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["df8b7bc"],"commit_groups":[["df8b7bc"]],"commits":[],"cves":[],"db_id":"260fb6519ea0f5464e6f94dcdd651428","html":"\u003cp\u003e通过新的环境变量 \u003ca href=\"/docs/9.5/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT\" title=\"17.4.4. Linux 内存过量分配\"\u003e\u003ccode\u003ePG_OOM_ADJUST_FILE\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT\" title=\"17.4.4. Linux 内存过量分配\"\u003e\u003ccode\u003ePG_OOM_ADJUST_VALUE\u003c/code\u003e\u003c/a\u003e 控制 Linux 的 \u003cacronym\u003eOOM\u003c/acronym\u003e killer，而不是编译时选项 \u003ccode\u003eLINUX_OOM_SCORE_ADJ\u003c/code\u003e 和 \u003ccode\u003eLINUX_OOM_ADJ\u003c/code\u003e（Gurjeet Singh）\u003c/p\u003e","id":"9.5.0-c170006c26ba1019","identity_text":"Control the Linux OOM killer via new environment variables PG_OOM_ADJUST_FILE and PG_OOM_ADJUST_VALUE, instead of compile-time options LINUX_OOM_SCORE_ADJ and LINUX_OOM_ADJ (Gurjeet Singh)","part":"migration","patch_ids":["d8696174d21379a269115612e5080290"],"related_changes":[{"db_id":"73ad64aa1defa46be42938c644658d56","evidence":{"patch_ids":["d8696174d21379a269115612e5080290"],"same_day":true},"kind":"related","label":"9.5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.6","title":"通过新的环境变量 PG_OOM_ADJUST_FILE 和 PG_OOM_ADJUST_VALUE 控制 Linux 的 OOM killer","url":"/docs/compare/?release=9.5.0#9.5.0-c54d1481221c4216","version":"9.5.0"}],"relations":[{"evidence":{"patch_ids":["d8696174d21379a269115612e5080290"],"same_day":true},"rule":2,"target":"73ad64aa1defa46be42938c644658d56","type":"related"}],"section":"兼容性","section_path":["兼容性"],"source_commits":["df8b7bc"],"source_entry_id":"9.5.0/migration/007","source_hash":"82bea520b72a6a9945dd1e581aca8f06261f6b2378612d80ba0105374c20f480","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"f9dd8418824afa3e7db612d971543ad659beecf0e39aaeda80b5acfdb00f0449","text":"通过新的环境变量 PG_OOM_ADJUST_FILE 和 PG_OOM_ADJUST_VALUE 控制 Linux 的 OOM killer，而不是编译时选项 LINUX_OOM_SCORE_ADJ 和 LINUX_OOM_ADJ（Gurjeet Singh）","title":"通过新的环境变量 PG_OOM_ADJUST_FILE 和 PG_OOM_ADJUST_VALUE 控制 Linux 的 OOM killer，而不是编译时选项 LINUX_OOM_SCORE_ADJ 和 LINUX_OOM_ADJ","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["6087d95","b06f1f2"],"commit_groups":[["6087d95"],["b06f1f2"]],"commits":[],"cves":[],"db_id":"e25cec82951cf4b70aef3ebd2c095f56","html":"\u003cp\u003e停用服务器配置参数 \u003ccode\u003essl_renegotiation_limit\u003c/code\u003e，它在以前的版本中已被弃用（Andres Freund）\u003c/p\u003e\n\u003cp\u003e虽然 SSL 重协商在理论上是个好主意，但它引发的 bug 之多，使它在实践中被认为弊大于利，而且相关标准的未来版本将移除它。因此我们已从 \u003cspan\u003ePostgreSQL\u003c/span\u003e 中移除了对它的支持。\u003ccode\u003essl_renegotiation_limit\u003c/code\u003e 参数仍然存在，但只能设置为零（禁用）。它也不再被写入文档。\u003c/p\u003e","id":"9.5.0-3d508096b3c66b26","identity_text":"Decommission server configuration parameter ssl_renegotiation_limit, which was deprecated in earlier releases (Andres Freund) While SSL renegotiation is a good idea in theory, it has caused enough bugs to be considered a net negative in practice, and it is due to be removed from future versions of the relevant standards. We have therefore removed support for it from PostgreSQL. The ssl_renegotiation_limit parameter still exists, but cannot be set to anything but zero (disabled). It's not documented anymore, either.","part":"migration","patch_ids":["0c0eea55255118e4c429f66e18c21f15","f7e716de7b0838e9704b0d698cf18efe"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["6087d95","b06f1f2"],"source_entry_id":"9.5.0/migration/008","source_hash":"2f781b280d6e2b66f37671545a41dbb4bb1a247cfaaebedb0bbcd17e89c66552","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"3ab05ddce4d6a3615ecb18aaf2b90cbfbc3b3f89df8d0f2f81e8288e01985ac9","text":"停用服务器配置参数 ssl_renegotiation_limit，它在以前的版本中已被弃用（Andres Freund） 虽然 SSL 重协商在理论上是个好主意，但它引发的 bug 之多，使它在实践中被认为弊大于利，而且相关标准的未来版本将移除它。因此我们已从 PostgreSQL 中移除了对它的支持。ssl_renegotiation_limit 参数仍然存在，但只能设置为零（禁用）。它也不再被写入文档。","title":"停用服务器配置参数 ssl_renegotiation_limit，它在以前的版本中已被弃用","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["525a489"],"commit_groups":[["525a489"]],"commits":[],"cves":[],"db_id":"7da567654dad6fbeda07620fe5bac702","html":"\u003cp\u003e移除服务器配置参数 \u003ccode\u003eautocommit\u003c/code\u003e，它此前已被弃用且不起作用（Tom Lane）\u003c/p\u003e","id":"9.5.0-0d4a596273f55bff","identity_text":"Remove server configuration parameter autocommit, which was already deprecated and non-operational (Tom Lane)","part":"migration","patch_ids":["999d48d2bc3986369b257e6cd5b980a5"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["525a489"],"source_entry_id":"9.5.0/migration/009","source_hash":"79d1413bda8b42274a48c2cbdf0ece0ca918481db4b575bff8dc6abef1de7500","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"f9c1ff32b4fb371adadfca49fd0403e385d200266f055d1377b675c0b938e418","text":"移除服务器配置参数 autocommit，它此前已被弃用且不起作用（Tom Lane）","title":"移除服务器配置参数 autocommit，它此前已被弃用且不起作用","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["bb8582a"],"commit_groups":[["bb8582a"]],"commits":[],"cves":[],"db_id":"2705c4b0ddb88a1879fb4d65db1c261b","html":"\u003cp\u003e移除 \u003ca href=\"/docs/9.5/catalog-pg-authid.html\" title=\"49.8. pg_authid\"\u003e\u003ccode\u003epg_authid\u003c/code\u003e\u003c/a\u003e 系统目录的 \u003ccode\u003erolcatupdate\u003c/code\u003e 字段，因为它毫无用处（Adam Brightwell）\u003c/p\u003e","id":"9.5.0-5de0e6484f828687","identity_text":"Remove the pg_authid catalog's rolcatupdate field, as it had no usefulness (Adam Brightwell)","part":"migration","patch_ids":["012095007b361df4fc3e62a681f44f58"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["bb8582a"],"source_entry_id":"9.5.0/migration/010","source_hash":"063e3118fe816e790e3eb305037a4e80db38df97a018282af947dfa44ae49275","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"167eb7b086c99e3617333744abf17bed8388b37c8f420c058099bc7d7176f1c2","text":"移除 pg_authid 系统目录的 rolcatupdate 字段，因为它毫无用处（Adam Brightwell）","title":"移除 pg_authid 系统目录的 rolcatupdate 字段，因为它毫无用处","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["28c3667"],"commit_groups":[["28c3667"]],"commits":[],"cves":[],"db_id":"227fabfee256554b748cada70648a59f","html":"\u003cp\u003e当没有有效值时，\u003ca href=\"/docs/9.5/monitoring-stats.html#PG-STAT-REPLICATION-VIEW\" title=\"表 27.4. pg_stat_replication 视图\"\u003e\u003ccode\u003epg_stat_replication\u003c/code\u003e\u003c/a\u003e 系统视图的 \u003ccode\u003esent\u003c/code\u003e 字段现在为 NULL 而不是零（Magnus Hagander）\u003c/p\u003e","id":"9.5.0-7a34e938600c6d62","identity_text":"The pg_stat_replication system view's sent field is now NULL, not zero, when it has no valid value (Magnus Hagander)","part":"migration","patch_ids":["3df80ea3b3f5c0679ab8ef7275c32ff4"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["28c3667"],"source_entry_id":"9.5.0/migration/011","source_hash":"aa35cd30ed042420938d788def0760e6d9a0410373ad3a0939e635cfb60d9e61","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"fed3a454e46ac4e72f7d1891a1ec1b6d416d5e3e1bef9f9183c09002e70849b2","text":"当没有有效值时，pg_stat_replication 系统视图的 sent 字段现在为 NULL 而不是零（Magnus Hagander）","title":"当没有有效值时，pg_stat_replication 系统视图的 sent 字段现在为 NULL 而不是零","variants":[],"version":"9.5.0"},{"also_in":[],"category":"compatibility","category_label":"Compatibility","commit_aliases":["89ddd29"],"commit_groups":[["89ddd29"]],"commits":[],"cves":[],"db_id":"484d20590dbfac132f421ccc354d8a74","html":"\u003cp\u003e允许 \u003ccode\u003ejson\u003c/code\u003e 和 \u003ccode\u003ejsonb\u003c/code\u003e 数组提取操作符接受负数下标，它们从 JSON 数组末尾开始计数（Peter Geoghegan、Andrew Dunstan）\u003c/p\u003e\n\u003cp\u003e以前，这些操作符对负数下标返回 \u003ccode\u003eNULL\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-deaa199ecd51ce64","identity_text":"Allow json and jsonb array extraction operators to accept negative subscripts, which count from the end of JSON arrays (Peter Geoghegan, Andrew Dunstan) Previously, these operators returned NULL for negative subscripts.","part":"migration","patch_ids":["4b5888f1b867d338adba8ab278d63ca3"],"related_changes":[],"relations":[],"section":"兼容性","section_path":["兼容性"],"source_commits":["89ddd29"],"source_entry_id":"9.5.0/migration/012","source_hash":"fc0700b67f5d96634b69f3822d1fa475778258d21cf3eb8b256fc60daeae91cd","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","statement_hash":"cb9c6f67151e8484e9e4651c39671a13d0a159b206732f74a0fdbe1dc352c3a9","text":"允许 json 和 jsonb 数组提取操作符接受负数下标，它们从 JSON 数组末尾开始计数（Peter Geoghegan、Andrew Dunstan） 以前，这些操作符对负数下标返回 NULL。","title":"允许 json 和 jsonb 数组提取操作符接受负数下标，它们从 JSON 数组末尾开始计数","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["3b6db1f","7516f52","b0b7be6"],"commit_groups":[["3b6db1f"],["7516f52"],["b0b7be6"]],"commits":[],"cves":[],"db_id":"61b932eb0ca243618ca88858b0c22415","html":"\u003cp\u003e添加\u003ca href=\"/docs/9.5/brin.html\" title=\"第 62 章 BRIN 索引\"\u003e块范围索引\u003c/a\u003e（\u003cacronym\u003eBRIN\u003c/acronym\u003e）（Álvaro Herrera）\u003c/p\u003e\n\u003cp\u003e\u003cacronym\u003eBRIN\u003c/acronym\u003e 索引只为堆块范围存储摘要数据（如最小值和最大值）。因此它们非常紧凑且更新成本低；但如果数据是自然聚簇的，它们仍能显著加速搜索。\u003c/p\u003e","id":"9.5.0-7aaa1c1dc91d1296","identity_text":"Add Block Range Indexes (BRIN) (Álvaro Herrera) BRIN indexes store only summary data (such as minimum and maximum values) for ranges of heap blocks. They are therefore very compact and cheap to update; but if the data is naturally clustered, they can still provide substantial speedup of searches.","part":"changes","patch_ids":["409348e161bf2bf75161a96690e81f1c","59df5103ed7970fe3a71204244b2660a","6686a53149bd06d67cf986ee4e0d766f"],"related_changes":[],"relations":[],"section":"服务器 / 索引","section_path":["服务器","索引"],"source_commits":["3b6db1f","7516f52","b0b7be6"],"source_entry_id":"9.5.0/changes/001","source_hash":"79f99eb475123bead35dfd18d69e0b399ec99d49e2b6133340bf045328d41f56","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.2","statement_hash":"b242d053ef1d3d3d21874881f4e1b4e486df41e3628351eda758a6562b797114","text":"添加块范围索引（BRIN）（Álvaro Herrera） BRIN 索引只为堆块范围存储摘要数据（如最小值和最大值）。因此它们非常紧凑且更新成本低；但如果数据是自然聚簇的，它们仍能显著加速搜索。","title":"添加块范围索引（BRIN）","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["35fcb1b"],"commit_groups":[["35fcb1b"]],"commits":[],"cves":[],"db_id":"e00f276bee28b9d1f2eb1aa907d98be9","html":"\u003cp\u003e允许查询使用 \u003ca href=\"/docs/9.5/gist.html\" title=\"第 59 章 GiST 索引\"\u003eGiST\u003c/a\u003e 索引对边界框索引的对象（多边形、圆）执行精确的距离过滤（Alexander Korotkov、Heikki Linnakangas）\u003c/p\u003e\n\u003cp\u003e以前，要利用此类索引，必须使用子查询选取大量按边界框距离排序的行，然后再用更精确的距离计算对结果进一步过滤。\u003c/p\u003e","id":"9.5.0-6c1b223aa632b406","identity_text":"Allow queries to perform accurate distance filtering of bounding-box-indexed objects (polygons, circles) using GiST indexes (Alexander Korotkov, Heikki Linnakangas) Previously, to exploit such an index a subquery had to be used to select a large number of rows ordered by bounding-box distance, and the result then had to be filtered further with a more accurate distance calculation.","part":"changes","patch_ids":["c23da46c6c4f74313cd462c9fca109d4"],"related_changes":[],"relations":[],"section":"服务器 / 索引","section_path":["服务器","索引"],"source_commits":["35fcb1b"],"source_entry_id":"9.5.0/changes/002","source_hash":"6dc98cb99e472b3d75e35aa73e8338aafee7c40c87320aa37a17c26e1679d939","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.2","statement_hash":"0eb743004e6c7781b20e3b79173c5d42341047df53645f0317f4ea69b7712907","text":"允许查询使用 GiST 索引对边界框索引的对象（多边形、圆）执行精确的距离过滤（Alexander Korotkov、Heikki Linnakangas） 以前，要利用此类索引，必须使用子查询选取大量按边界框距离排序的行，然后再用更精确的距离计算对结果进一步过滤。","title":"允许查询使用 GiST 索引对边界框索引的对象（多边形、圆）执行精确的距离过滤","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["0633a60","3a20b0e","d04c8ed","e09b483"],"commit_groups":[["0633a60"],["3a20b0e"],["d04c8ed"],["e09b483"]],"commits":[],"cves":[],"db_id":"5436479695de4902eccbccb4027e72ad","html":"\u003cp\u003e允许 \u003ca href=\"/docs/9.5/gist.html\" title=\"第 59 章 GiST 索引\"\u003eGiST\u003c/a\u003e 索引执行仅索引扫描（Anastasia Lubennikova、Heikki Linnakangas、Andreas Karlsson）\u003c/p\u003e","id":"9.5.0-0c44a10ed44b325b","identity_text":"Allow GiST indexes to perform index-only scans (Anastasia Lubennikova, Heikki Linnakangas, Andreas Karlsson)","part":"changes","patch_ids":["061da7f214b64ba4c49b68cda3ac7a06","129259c361fc08965355e98bd6fc286a","8f0f0ddcf5583bc189a3b621fb96cef0","d7c7fe930de958b70f487336af71e193"],"related_changes":[],"relations":[],"section":"服务器 / 索引","section_path":["服务器","索引"],"source_commits":["0633a60","3a20b0e","d04c8ed","e09b483"],"source_entry_id":"9.5.0/changes/003","source_hash":"93d2bcf53419242f403fdd065d86dc5bc9018de0360c2a7a43b6b5adb1d3cf7a","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.2","statement_hash":"593d5106b58664dbc8ad22608789fe85997d6388e039062cc7c42155c90140e4","text":"允许 GiST 索引执行仅索引扫描（Anastasia Lubennikova、Heikki Linnakangas、Andreas Karlsson）","title":"允许 GiST 索引执行仅索引扫描","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":[],"commit_groups":[],"commits":[],"cves":[],"db_id":"bd79c62f5bdcfb75b2df336a14a6484f","html":"\u003cp\u003e添加配置参数\u003ca href=\"/docs/9.5/runtime-config-client.html#GUC-GIN-PENDING-LIST-LIMIT\"\u003egin_pending_list_limit\u003c/a\u003e来控制 \u003cacronym\u003eGIN\u003c/acronym\u003e 待处理列表的大小（Fujii Masao）\u003c/p\u003e\n\u003cp\u003e该值也可以按索引设置为索引存储参数。以前，待处理列表的大小由\u003ca href=\"/docs/9.5/runtime-config-resource.html#GUC-WORK-MEM\"\u003ework_mem\u003c/a\u003e控制，这很不方便，因为 \u003ccode\u003ework_mem\u003c/code\u003e 的合适值对此用途往往太大了。\u003c/p\u003e","id":"9.5.0-0d1dce56c0d008bb","identity_text":"Add configuration parameter guc-gin-pending-list-limit to control the size of GIN pending lists (Fujii Masao) This value can also be set on a per-index basis as an index storage parameter. Previously the pending-list size was controlled by guc-work-mem , which was awkward because appropriate values for work_mem are often much too large for this purpose.","part":"changes","patch_ids":[],"related_changes":[],"relations":[],"section":"服务器 / 索引","section_path":["服务器","索引"],"source_commits":[],"source_entry_id":"9.5.0/changes/004","source_hash":"48310745c56aa1c290b4fa29bc971e68a7aa2c45ca3dc3bf3b6145c368f65972","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.2","statement_hash":"862baf158224c00441907d94486d9bd87bbbd7e20962bd36d38d7afa92a5d27b","text":"添加配置参数gin_pending_list_limit来控制 GIN 待处理列表的大小（Fujii Masao） 该值也可以按索引设置为索引存储参数。以前，待处理列表的大小由work_mem控制，这很不方便，因为 work_mem 的合适值对此用途往往太大了。","title":"添加配置参数gin_pending_list_limit来控制 GIN 待处理列表的大小","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["84aa8ba"],"commit_groups":[["84aa8ba"]],"commits":[],"cves":[],"db_id":"1b58f556c0159f26b6ae2af8bd14abe2","html":"\u003cp\u003e在创建\u003ca href=\"/docs/9.5/indexes-types.html\" title=\"11.2. 索引类型\"\u003e哈希\u003c/a\u003e索引期间发出警告，因为它们不是崩溃安全的（Bruce Momjian）\u003c/p\u003e","id":"9.5.0-b3b689e04a7a5e4d","identity_text":"Issue a warning during the creation of hash indexes because they are not crash-safe (Bruce Momjian)","part":"changes","patch_ids":["7f1ead641f6df51f7feb3946d313f7e6"],"related_changes":[],"relations":[],"section":"服务器 / 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这提高了高并发负载下的性能。","title":"增加缓冲区映射的分区数","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["4ff695b1"],"commit_groups":[["4ff695b1"]],"commits":[],"cves":[],"db_id":"86920274b032288cc24b45f887c7b347","html":"\u003cp\u003e通过新的 \u003ccode\u003elog_autovacuum_min_duration\u003c/code\u003e 存储参数添加按表的自动清理日志控制（Michael Paquier）\u003c/p\u003e","id":"9.5.0-54b7494c08857e80","identity_text":"Add per-table autovacuum logging control via new log_autovacuum_min_duration storage parameter (Michael Paquier)","part":"changes","patch_ids":["4adcc42c499e6b5e8494239100f75eb6"],"related_changes":[],"relations":[],"section":"服务器 / 监控","section_path":["服务器","监控"],"source_commits":["4ff695b1"],"source_entry_id":"9.5.0/changes/022","source_hash":"2abebfb008de4f8f39d2214b19db5a61ace1428ef0e1b8b61b9eba1289872cd3","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.4","statement_hash":"fe975c867817587dc7c504496afea6fd82055ec55261843057a4060fe1d5c961","text":"通过新的 log_autovacuum_min_duration 存储参数添加按表的自动清理日志控制（Michael Paquier）","title":"通过新的 log_autovacuum_min_duration 存储参数添加按表的自动清理日志控制","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["51adcaa"],"commit_groups":[["51adcaa"]],"commits":[],"cves":[],"db_id":"ba268fbfb678b77084f6ff3846f5c6fa","html":"\u003cp\u003e添加新的配置参数\u003ca href=\"/docs/9.5/runtime-config-logging.html#GUC-CLUSTER-NAME\"\u003ecluster_name\u003c/a\u003e（Thomas Munro）\u003c/p\u003e\n\u003cp\u003e这个字符串通常在 \u003ca href=\"/docs/9.5/runtime-config.html#CONFIG-SETTING-CONFIGURATION-FILE\" title=\"18.1.2. 通过配置文件影响参数\"\u003e\u003ccode\u003epostgresql.conf\u003c/code\u003e\u003c/a\u003e 中设置，让客户端能够识别集群。该名称还会出现在所有服务器进程的进程标题中，便于识别属于同一集群的进程。\u003c/p\u003e","id":"9.5.0-2b7d4c599fd83cdf","identity_text":"Add new configuration parameter guc-cluster-name (Thomas Munro) This string, typically set in postgresql.conf, allows clients to identify the cluster. This name also appears in the process title of all server processes, allowing for easier identification of processes belonging to the same cluster.","part":"changes","patch_ids":["b92862b55fefc9024b75949610e2c172"],"related_changes":[],"relations":[],"section":"服务器 / 监控","section_path":["服务器","监控"],"source_commits":["51adcaa"],"source_entry_id":"9.5.0/changes/023","source_hash":"332f4ace35d20f7baa0d2dc78f6e311fc0231582083ddd644573d5fb5278c014","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.4","statement_hash":"39dc3f476f7b5517a1950bbb6eb63f751c32af973df6712b223b095c22acc6ad","text":"添加新的配置参数cluster_name（Thomas Munro） 这个字符串通常在 postgresql.conf 中设置，让客户端能够识别集群。该名称还会出现在所有服务器进程的进程标题中，便于识别属于同一集群的进程。","title":"添加新的配置参数cluster_name","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["fe550b2"],"commit_groups":[["fe550b2"]],"commits":[],"cves":[],"db_id":"ee24b60403635caf0465b11ef0693e59","html":"\u003cp\u003e防止非超级用户在连接启动时更改\u003ca href=\"/docs/9.5/runtime-config-logging.html#GUC-LOG-DISCONNECTIONS\"\u003elog_disconnections\u003c/a\u003e（Fujii Masao）\u003c/p\u003e","id":"9.5.0-3ae85e64e1dea51d","identity_text":"Prevent non-superusers from changing guc-log-disconnections on connection startup (Fujii Masao)","part":"changes","patch_ids":["e63528d8f3123e1fb4df9e2ea954d765"],"related_changes":[],"relations":[],"section":"服务器 / 监控","section_path":["服务器","监控"],"source_commits":["fe550b2"],"source_entry_id":"9.5.0/changes/024","source_hash":"6a39c0e0448c3b65cb9bab68d016940aadd8af448c0d6276bdce082332b3d6be","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.4","statement_hash":"27c5b5e0bf38d5347fc5457c0c13291a51e755ae5f00e63d02360a5fae610866","text":"防止非超级用户在连接启动时更改log_disconnections（Fujii Masao）","title":"防止非超级用户在连接启动时更改log_disconnections","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["acd08d7"],"commit_groups":[["acd08d7"]],"commits":[],"cves":[],"db_id":"abf53921ead1d7aa50dab167fc5a3ea0","html":"\u003cp\u003e检查 \u003cacronym\u003eSSL\u003c/acronym\u003e 服务器证书中的\u003ca href=\"/docs/9.5/libpq-ssl.html\" title=\"31.18. SSL 支持\"\u003e\u003cspan\u003e“\u003cspan\u003e使用者可选名称（Subject Alternative Names）\u003c/span\u003e”\u003c/span\u003e\u003c/a\u003e（如果存在）（Alexey Klyukin）\u003c/p\u003e\n\u003cp\u003e当它们存在时，这将取代对证书\u003cspan\u003e“\u003cspan\u003e通用名称（Common Name）\u003c/span\u003e”\u003c/span\u003e的检查。\u003c/p\u003e","id":"9.5.0-6986236008533c7c","identity_text":"Check Subject Alternative Names in SSL server certificates, if present (Alexey Klyukin) When they are present, this replaces checks against the certificate's Common Name.","part":"changes","patch_ids":["c634d9e56ccad24dbe8040e3b8c4aebc"],"related_changes":[],"relations":[],"section":"服务器 / SSL","section_path":["服务器","SSL"],"source_commits":["acd08d7"],"source_entry_id":"9.5.0/changes/025","source_hash":"6709b6bb9280df0af5591c5fe907bc3af2398f6263052b35e3d3335017f0baf5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.5","statement_hash":"74649e000f29bfecc271cf300810b139bf66b170294025dd84dff2c9771264ec","text":"检查 SSL 服务器证书中的“使用者可选名称（Subject Alternative Names）”（如果存在）（Alexey Klyukin） 当它们存在时，这将取代对证书“通用名称（Common Name）”的检查。","title":"检查 SSL 服务器证书中的“使用者可选名称（Subject Alternative Names）”（如果存在）","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["9029f4b"],"commit_groups":[["9029f4b"]],"commits":[],"cves":[],"db_id":"b05583cdcb028e01461a53c2ccc579f1","html":"\u003cp\u003e添加系统视图 \u003ca href=\"/docs/9.5/monitoring-stats.html#PG-STAT-SSL-VIEW\" title=\"表 27.5. pg_stat_ssl 视图\"\u003e\u003ccode\u003epg_stat_ssl\u003c/code\u003e\u003c/a\u003e，用于报告 \u003cacronym\u003eSSL\u003c/acronym\u003e 连接信息（Magnus Hagander）\u003c/p\u003e","id":"9.5.0-ac49bfcfb39a8606","identity_text":"Add system view pg_stat_ssl to report SSL connection information (Magnus Hagander)","part":"changes","patch_ids":["9744b7bf6dc615fc4273a035a76ff9c7"],"related_changes":[],"relations":[],"section":"服务器 / SSL","section_path":["服务器","SSL"],"source_commits":["9029f4b"],"source_entry_id":"9.5.0/changes/026","source_hash":"e0d7c27dd45f33038ce71104004c06d32503a82fae0ad681ba6a050090a0d8e7","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.5","statement_hash":"a15bd0e192b8cc0d417bc57d266799a8aa412bf433566b447b3746e385bd92c0","text":"添加系统视图 pg_stat_ssl，用于报告 SSL 连接信息（Magnus Hagander）","title":"添加系统视图 pg_stat_ssl，用于报告 SSL 连接信息","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["91fa7b4"],"commit_groups":[["91fa7b4"]],"commits":[],"cves":[],"db_id":"26c21aef57345c8ea8783f0dfcc795f1","html":"\u003cp\u003e添加以与实现无关的方式返回 \u003cacronym\u003eSSL\u003c/acronym\u003e 信息的 \u003cspan\u003elibpq\u003c/span\u003e 函数（Heikki Linnakangas）\u003c/p\u003e\n\u003cp\u003e虽然 \u003ca href=\"/docs/9.5/libpq-status.html#LIBPQ-PQGETSSL\"\u003e\u003ccode\u003ePQgetssl()\u003c/code\u003e\u003c/a\u003e 仍可用于调用 \u003cspan\u003eOpenSSL\u003c/span\u003e 函数，但它现在被视为已弃用，因为未来版本的 \u003cspan\u003elibpq\u003c/span\u003e 可能支持其他 \u003cacronym\u003eSSL\u003c/acronym\u003e 实现。在可能的情况下，请使用新函数 \u003ca href=\"/docs/9.5/libpq-status.html#LIBPQ-PQSSLATTRIBUTE\"\u003e\u003ccode\u003ePQsslAttribute()\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/libpq-status.html#LIBPQ-PQSSLATTRIBUTENAMES\"\u003e\u003ccode\u003ePQsslAttributeNames()\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/libpq-status.html#LIBPQ-PQSSLINUSE\"\u003e\u003ccode\u003ePQsslInUse()\u003c/code\u003e\u003c/a\u003e，以与 \u003cacronym\u003eSSL\u003c/acronym\u003e 实现无关的方式获取 \u003cacronym\u003eSSL\u003c/acronym\u003e 信息。\u003c/p\u003e","id":"9.5.0-5b95b18da3de8319","identity_text":"Add libpq functions to return SSL information in an implementation-independent way (Heikki Linnakangas) While PQgetssl() can still be used to call OpenSSL functions, it is now considered deprecated because future versions of libpq might support other SSL implementations. When possible, use the new functions PQsslAttribute(), PQsslAttributeNames(), and PQsslInUse() to obtain SSL information in an SSL-implementation-independent way.","part":"changes","patch_ids":["4a217c98ae3b2519511dab86e794fb93"],"related_changes":[],"relations":[],"section":"服务器 / SSL","section_path":["服务器","SSL"],"source_commits":["91fa7b4"],"source_entry_id":"9.5.0/changes/027","source_hash":"c587fca4fe6a53a0e5de68c3c116e7b2491c928d269d08f3331acb990ed80895","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.5","statement_hash":"97cf699b05d44c2fb6dc90691a384d6eb1d1aa9fffca4278b3d5036ff86340cf","text":"添加以与实现无关的方式返回 SSL 信息的 libpq 函数（Heikki Linnakangas） 虽然 PQgetssl() 仍可用于调用 OpenSSL 函数，但它现在被视为已弃用，因为未来版本的 libpq 可能支持其他 SSL 实现。在可能的情况下，请使用新函数 PQsslAttribute()、PQsslAttributeNames() 和 PQsslInUse()，以与 SSL 实现无关的方式获取 SSL 信息。","title":"添加以与实现无关的方式返回 SSL 信息的 libpq 函数","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["8a0d34e4"],"commit_groups":[["8a0d34e4"]],"commits":[],"cves":[],"db_id":"8ec1d792b344e024ae22c1ec2b4eeb08","html":"\u003cp\u003e使 \u003cspan\u003elibpq\u003c/span\u003e 遵循任何 \u003cspan\u003eOpenSSL\u003c/span\u003e 线程回调（Jan Urbanski）\u003c/p\u003e\n\u003cp\u003e以前它们会被覆盖。\u003c/p\u003e","id":"9.5.0-6273c563fdd8e330","identity_text":"Make libpq honor any OpenSSL thread callbacks (Jan Urbanski) Previously they were overwritten.","part":"changes","patch_ids":["89779d2b8bb8182cb01dbccf43fbe2ce"],"related_changes":[],"relations":[],"section":"服务器 / SSL","section_path":["服务器","SSL"],"source_commits":["8a0d34e4"],"source_entry_id":"9.5.0/changes/028","source_hash":"fc98b8bc5d6cff74d9f822aaeb289535e0358d0adc3905d27900eeedaa72add8","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.5","statement_hash":"7bfe9c16c91eafda3ce10b4d1cccb06069b12dd4cdb8bf4742a0a86623331093","text":"使 libpq 遵循任何 OpenSSL 线程回调（Jan Urbanski） 以前它们会被覆盖。","title":"使 libpq 遵循任何 OpenSSL 线程回调","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["88e9823","a0f5954","d661532"],"commit_groups":[["88e9823"],["a0f5954"],["d661532"]],"commits":[],"cves":[],"db_id":"cfe2d54b837f493c7330f27602a3409a","html":"\u003cp\u003e用\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-MIN-WAL-SIZE\"\u003emin_wal_size\u003c/a\u003e和\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-MAX-WAL-SIZE\"\u003emax_wal_size\u003c/a\u003e替换配置参数 \u003ccode\u003echeckpoint_segments\u003c/code\u003e（Heikki Linnakangas）\u003c/p\u003e\n\u003cp\u003e此变更允许分配大量 \u003cacronym\u003eWAL\u003c/acronym\u003e 文件，而在不再需要之后不必保留它们。因此 \u003ccode\u003emax_wal_size\u003c/code\u003e 的默认值被设置为 \u003ccode\u003e1GB\u003c/code\u003e，比过去 \u003ccode\u003echeckpoint_segments\u003c/code\u003e 的默认值大得多。另请注意，备库会执行重做点以尝试把 WAL 空间消耗限制在 \u003ccode\u003emax_wal_size\u003c/code\u003e 以内；以前它们完全不理会 \u003ccode\u003echeckpoint_segments\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-42a4f1960250cc53","identity_text":"Replace configuration parameter checkpoint_segments with guc-min-wal-size and guc-max-wal-size (Heikki Linnakangas) This change allows the allocation of a large number of WAL files without keeping them after they are no longer needed. Therefore the default for max_wal_size has been set to 1GB, much larger than the old default for checkpoint_segments. Also note that standby servers perform restartpoints to try to limit their WAL space consumption to max_wal_size; previously they did not pay any attention to checkpoint_segments.","part":"changes","patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"related_changes":[{"db_id":"09ab299c9ccead03aaadbf12e90c4212","evidence":{"patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"same_day":true},"kind":"related","label":"9.5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","title":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments","url":"/docs/compare/?release=9.5.0#9.5.0-0ec85082572d2200","version":"9.5.0"}],"relations":[{"evidence":{"patch_ids":["60b4762e329f5e5a9d7bd36e6fd0a13d","7646ec0c998b683cc95fd97d60b7ffc3","e3c1ef11510c56acfc6b7b7b927b2c46"],"same_day":true},"rule":2,"target":"09ab299c9ccead03aaadbf12e90c4212","type":"related"}],"section":"服务器 / 服务器配置","section_path":["服务器","服务器配置"],"source_commits":["88e9823","a0f5954","d661532"],"source_entry_id":"9.5.0/changes/029","source_hash":"71079b5f56a765fab59a4fe7c515e46e35f094ab9c8a6c2b744301e3d4ade471","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.6","statement_hash":"77bac215e17a867a4f0ab2d1441e6ad70e4550277e60ffb8a28073ec901b2f62","text":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments（Heikki Linnakangas） 此变更允许分配大量 WAL 文件，而在不再需要之后不必保留它们。因此 max_wal_size 的默认值被设置为 1GB，比过去 checkpoint_segments 的默认值大得多。另请注意，备库会执行重做点以尝试把 WAL 空间消耗限制在 max_wal_size 以内；以前它们完全不理会 checkpoint_segments。","title":"用min_wal_size和max_wal_size替换配置参数 checkpoint_segments","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["df8b7bc"],"commit_groups":[["df8b7bc"]],"commits":[],"cves":[],"db_id":"73ad64aa1defa46be42938c644658d56","html":"\u003cp\u003e通过新的环境变量 \u003ca href=\"/docs/9.5/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT\" title=\"17.4.4. Linux 内存过量分配\"\u003e\u003ccode\u003ePG_OOM_ADJUST_FILE\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT\" title=\"17.4.4. Linux 内存过量分配\"\u003e\u003ccode\u003ePG_OOM_ADJUST_VALUE\u003c/code\u003e\u003c/a\u003e 控制 Linux 的 \u003cacronym\u003eOOM\u003c/acronym\u003e killer（Gurjeet Singh）\u003c/p\u003e\n\u003cp\u003e以前的 \u003cacronym\u003eOOM\u003c/acronym\u003e 控制基础设施涉及编译时选项 \u003ccode\u003eLINUX_OOM_SCORE_ADJ\u003c/code\u003e 和 \u003ccode\u003eLINUX_OOM_ADJ\u003c/code\u003e，它们不再受支持。新的行为在所有构建中都可用。\u003c/p\u003e","id":"9.5.0-c54d1481221c4216","identity_text":"Control the Linux OOM killer via new environment variables PG_OOM_ADJUST_FILE and PG_OOM_ADJUST_VALUE (Gurjeet Singh) The previous OOM control infrastructure involved compile-time options LINUX_OOM_SCORE_ADJ and LINUX_OOM_ADJ, which are no longer supported. The new behavior is available in all builds.","part":"changes","patch_ids":["d8696174d21379a269115612e5080290"],"related_changes":[{"db_id":"260fb6519ea0f5464e6f94dcdd651428","evidence":{"patch_ids":["d8696174d21379a269115612e5080290"],"same_day":true},"kind":"related","label":"9.5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.4","title":"通过新的环境变量 PG_OOM_ADJUST_FILE 和 PG_OOM_ADJUST_VALUE 控制 Linux 的 OOM killer，而不是编译时选项 LINUX_OOM_SCORE_ADJ 和 LINUX_OOM_ADJ","url":"/docs/compare/?release=9.5.0#9.5.0-c170006c26ba1019","version":"9.5.0"}],"relations":[{"evidence":{"patch_ids":["d8696174d21379a269115612e5080290"],"same_day":true},"rule":2,"target":"260fb6519ea0f5464e6f94dcdd651428","type":"related"}],"section":"服务器 / 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Jelínek）\u003c/p\u003e\n\u003cp\u003e时间戳信息可以通过函数 \u003ca href=\"/docs/9.5/functions-info.html#FUNCTIONS-COMMIT-TIMESTAMP\" title=\"表 9.65. 已提交事务信息\"\u003e\u003ccode\u003epg_xact_commit_timestamp()\u003c/code\u003e\u003c/a\u003e 和 \u003ccode\u003epg_last_committed_xact()\u003c/code\u003e 访问。\u003c/p\u003e","id":"9.5.0-9013ee5ad33fc584","identity_text":"Allow recording of transaction commit time stamps when configuration parameter guc-track-commit-timestamp is enabled (Álvaro Herrera, Petr Jelínek) Time stamp information can be accessed using functions pg_xact_commit_timestamp() and pg_last_committed_xact().","part":"changes","patch_ids":["e167d78c907867b835a0946f91abe36a"],"related_changes":[],"relations":[],"section":"服务器 / 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\u003ccode\u003e-A\u003c/code\u003e 选项。\u003c/p\u003e","id":"9.5.0-46730184452ade72","identity_text":"Make configuration parameter guc-debug-assertions read-only (Andres Freund) This means that assertions can no longer be turned off if they were enabled at compile time, allowing for more efficient code optimization. This change also removes the postgres -A option.","part":"changes","patch_ids":["d663aecbd4495bee8089617a0c6aa156"],"related_changes":[],"relations":[],"section":"服务器 / 服务器配置","section_path":["服务器","服务器配置"],"source_commits":["3bdcf6a"],"source_entry_id":"9.5.0/changes/034","source_hash":"877e8da5e4c4a3db61fc8ddcee45dd4ae179e270861b411c785cf01bf4b1e87e","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.6","statement_hash":"48c4d6910c90e28231d98972591cd801b13d5acec52f49bdd15cc66d1dfc22ba","text":"把配置参数debug_assertions设为只读（Andres Freund） 这意味着，如果在编译时启用了断言，就无法再关闭它们，从而允许更高效的代码优化。此变更还移除了 postgres 的 -A 选项。","title":"把配置参数debug_assertions设为只读","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["7feaccc"],"commit_groups":[["7feaccc"]],"commits":[],"cves":[],"db_id":"3977e7a29e9bfd6bf2029df637507dbb","html":"\u003cp\u003e允许在不生效的系统上设置\u003ca 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\u003ccode\u003eALTER SYSTEM RESET\u003c/code\u003e 重置 \u003ca href=\"/docs/9.5/sql-altersystem.html\" title=\"ALTER SYSTEM\"\u003e\u003ccode\u003eALTER SYSTEM\u003c/code\u003e\u003c/a\u003e 的值（Vik Fearing）\u003c/p\u003e\n\u003cp\u003e此命令会从 \u003ccode\u003epostgresql.auto.conf\u003c/code\u003e 中移除指定的设置。\u003c/p\u003e","id":"9.5.0-092610b54915edb5","identity_text":"Allow ALTER SYSTEM values to be reset with ALTER SYSTEM RESET (Vik Fearing) This command removes the specified setting from postgresql.auto.conf.","part":"changes","patch_ids":["26c17f47838df6c24aa1f9718b89e95d"],"related_changes":[],"relations":[],"section":"服务器 / 服务器配置","section_path":["服务器","服务器配置"],"source_commits":["bd3b7a9"],"source_entry_id":"9.5.0/changes/038","source_hash":"655906367eeafaae6c1c791f20708a31f8395540be3770855ebb73484040952a","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.3.6","statement_hash":"d82e84284eb4142f4c5ae423598fcfa17a28702155cec3e03443070798335cab","text":"允许用 ALTER SYSTEM RESET 重置 ALTER SYSTEM 的值（Vik Fearing） 此命令会从 postgresql.auto.conf 中移除指定的设置。","title":"允许用 ALTER SYSTEM RESET 重置 ALTER SYSTEM 的值","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["5aa2350"],"commit_groups":[["5aa2350"]],"commits":[],"cves":[],"db_id":"6d17d6257f9cc73c52321b82e3534493","html":"\u003cp\u003e创建跟踪\u003ca href=\"/docs/9.5/replication-origins.html\" title=\"第 47 章 复制进度跟踪\"\u003e复制进度\u003c/a\u003e的机制，包括在逻辑复制期间识别单条变更来源的方法（Andres Freund）\u003c/p\u003e\n\u003cp\u003e这在实现复制解决方案时很有帮助。\u003c/p\u003e","id":"9.5.0-d4a6878db59f6103","identity_text":"Create mechanisms for tracking the progress of replication, including methods for identifying the origin of individual changes during logical replication (Andres Freund) This is helpful when implementing replication solutions.","part":"changes","patch_ids":["6fb670c2ba27e389c57f3b5c18e02481"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["5aa2350"],"source_entry_id":"9.5.0/changes/039","source_hash":"6329b606caca3448ab8d1ed23de96e1514c3c1b4885edb1feb2acdc1322cd79b","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"39e9d0df0336857b498775f3321cb41a9d8ef483c0b3a244715eaa3b11f99e07","text":"创建跟踪复制进度的机制，包括在逻辑复制期间识别单条变更来源的方法（Andres Freund） 这在实现复制解决方案时很有帮助。","title":"创建跟踪复制进度的机制，包括在逻辑复制期间识别单条变更来源的方法","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["6e8af37","bd7c348"],"commit_groups":[["6e8af37"],["bd7c348"]],"commits":[],"cves":[],"db_id":"864d515e21696e566eec2efd2b014fd1","html":"\u003cp\u003e重做多事务提交日志的截断逻辑，使其正确记录 WAL（Andres Freund）\u003c/p\u003e\n\u003cp\u003e这使事情变得明显更简单、更健壮。\u003c/p\u003e","id":"9.5.0-3c7abb698f17882a","identity_text":"Rework truncation of the multixact commit log to be properly WAL-logged (Andres Freund) This makes things substantially simpler and more robust.","part":"changes","patch_ids":["270448c43c72d8a97a99d20914b9c7cb","7fc0ca6a1aedf2861da914bd5cb125d2"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["6e8af37","bd7c348"],"source_entry_id":"9.5.0/changes/040","source_hash":"9eee24a74c1cb73a1ec3a17e71df9799314bd74de2153d5ab22b20675e8d2420","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"1514a04f968aac8df001041d426e42cf7cea4fc71baafa58e2305d7bbb6da660","text":"重做多事务提交日志的截断逻辑，使其正确记录 WAL（Andres Freund） 这使事情变得明显更简单、更健壮。","title":"重做多事务提交日志的截断逻辑，使其正确记录 WAL","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["51c11a7","aedccb1","b8e33a8"],"commit_groups":[["51c11a7"],["aedccb1"],["b8e33a8"]],"commits":[],"cves":[],"db_id":"30c95171f6e1f722deac0b3681461a35","html":"\u003cp\u003e添加 \u003ca href=\"/docs/9.5/recovery-config.html\" title=\"第 26 章 恢复配置\"\u003e\u003ccode\u003erecovery.conf\u003c/code\u003e\u003c/a\u003e 参数 \u003ca href=\"/docs/9.5/recovery-target-settings.html#RECOVERY-TARGET-ACTION\"\u003e\u003ccode\u003erecovery_target_action\u003c/code\u003e\u003c/a\u003e 来控制恢复之后的动作（Petr Jelínek）\u003c/p\u003e\n\u003cp\u003e它取代了旧的参数 \u003ccode\u003epause_at_recovery_target\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-97c9728a159adf37","identity_text":"Add recovery.conf parameter recovery_target_action to control post-recovery activity (Petr Jelínek) This replaces the old parameter pause_at_recovery_target.","part":"changes","patch_ids":["302008525912e1342c4929e73d0a4d75","6935b51e9e97a9e036cd0bf844355913","b75072b5bcc043d12fdefb2036a1bce9"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["51c11a7","aedccb1","b8e33a8"],"source_entry_id":"9.5.0/changes/041","source_hash":"8c35349a2adfa461e72a4511843ed021620684b1c7a881eaa62c67a81c5b5017","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"a6943068d2a9d293b9c63b370b8db78f80987c3e1749550f108403732a580b7b","text":"添加 recovery.conf 参数 recovery_target_action 来控制恢复之后的动作（Petr Jelínek） 它取代了旧的参数 pause_at_recovery_target。","title":"添加 recovery.conf 参数 recovery_target_action 来控制恢复之后的动作","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["ffd3774"],"commit_groups":[["ffd3774"]],"commits":[],"cves":[],"db_id":"01de60a4980b953a81f3cf422115f290","html":"\u003cp\u003e为\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-ARCHIVE-MODE\"\u003earchive_mode\u003c/a\u003e添加新值 \u003ccode\u003ealways\u003c/code\u003e，允许备库始终归档收到的 \u003cacronym\u003eWAL\u003c/acronym\u003e 文件（Fujii Masao）\u003c/p\u003e","id":"9.5.0-0eaf4a2d03891d83","identity_text":"Add new guc-archive-mode value always to allow standbys to always archive received WAL files (Fujii Masao)","part":"changes","patch_ids":["685b504689a26857850380bd3e6d9951"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["ffd3774"],"source_entry_id":"9.5.0/changes/042","source_hash":"806ae02dafcda1bac3ae2be181f5efba05988de4c123f914394b2ef6d389f95e","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"fa177d7609c755ddf9505e4299f9ed78194b459f9e0809c9bd618c1457d08272","text":"为archive_mode添加新值 always，允许备库始终归档收到的 WAL 文件（Fujii Masao）","title":"为archive_mode添加新值 always，允许备库始终归档收到的 WAL 文件","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["5d2b45e"],"commit_groups":[["5d2b45e"]],"commits":[],"cves":[],"db_id":"7734e2d7f1e813d689fe49d19192e0b3","html":"\u003cp\u003e添加配置参数\u003ca href=\"/docs/9.5/runtime-config-replication.html#GUC-WAL-RETRIEVE-RETRY-INTERVAL\"\u003ewal_retrieve_retry_interval\u003c/a\u003e，控制在失败后重试读取 \u003cacronym\u003eWAL\u003c/acronym\u003e 的间隔（Alexey Vasiliev、Michael Paquier）\u003c/p\u003e\n\u003cp\u003e这对温备库特别有用。\u003c/p\u003e","id":"9.5.0-2552443a93ab785f","identity_text":"Add configuration parameter guc-wal-retrieve-retry-interval to control WAL read retry after failure (Alexey Vasiliev, Michael Paquier) This is particularly helpful for warm standbys.","part":"changes","patch_ids":["fc590e5733daaeb18a93d2555c7d6c24"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["5d2b45e"],"source_entry_id":"9.5.0/changes/043","source_hash":"8cbc05b0a62bfbe145a584eedeb2a1acc921ed35a2b5d535fe6b13e18f4fdf61","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"60bd3d5a8090d4957995b08470464926a665258881940e14c9e0e3a994b2bb0e","text":"添加配置参数wal_retrieve_retry_interval，控制在失败后重试读取 WAL 的间隔（Alexey Vasiliev、Michael Paquier） 这对温备库特别有用。","title":"添加配置参数wal_retrieve_retry_interval，控制在失败后重试读取 WAL 的间隔","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["57aa5b2"],"commit_groups":[["57aa5b2"]],"commits":[],"cves":[],"db_id":"c26bf44d832909614463ea4aef25b34f","html":"\u003cp\u003e允许压缩存储在 \u003cacronym\u003eWAL\u003c/acronym\u003e 中的全页映像（Rahila Syed、Michael Paquier）\u003c/p\u003e\n\u003cp\u003e此特性可减少 WAL 量，代价是 WAL 记录和 WAL 重放消耗更多 CPU 时间。它由新的配置参数\u003ca href=\"/docs/9.5/runtime-config-wal.html#GUC-WAL-COMPRESSION\"\u003ewal_compression\u003c/a\u003e控制，目前默认关闭。\u003c/p\u003e","id":"9.5.0-4a52f1d364e8b193","identity_text":"Allow compression of full-page images stored in WAL (Rahila Syed, Michael Paquier) This feature reduces WAL volume, at the cost of more CPU time spent on WAL logging and WAL replay. It is controlled by a new configuration parameter guc-wal-compression , which currently is off by default.","part":"changes","patch_ids":["c1c20ba3f7797e312e6fadaf4ba98c94"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["57aa5b2"],"source_entry_id":"9.5.0/changes/044","source_hash":"dbb1a913f047c596daadcf9eaaff3ae34a9b55ac63b6dbbd59a09c6ee9a27434","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"abbc8efac6ff86491366039eda94481699cf2bc44a916d22cf46a6b0fb590e02","text":"允许压缩存储在 WAL 中的全页映像（Rahila Syed、Michael Paquier） 此特性可减少 WAL 量，代价是 WAL 记录和 WAL 重放消耗更多 CPU 时间。它由新的配置参数wal_compression控制，目前默认关闭。","title":"允许压缩存储在 WAL 中的全页映像","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["de76884"],"commit_groups":[["de76884"]],"commits":[],"cves":[],"db_id":"9e5aa45430043586d052c25d1a9c8bb5","html":"\u003cp\u003e在备库提升期间为 \u003cacronym\u003eWAL\u003c/acronym\u003e 文件加上 \u003ccode\u003e.partial\u003c/code\u003e 后缀后归档（Heikki Linnakangas）\u003c/p\u003e","id":"9.5.0-986807ac621d092b","identity_text":"Archive WAL files with suffix .partial during standby promotion (Heikki Linnakangas)","part":"changes","patch_ids":["15a76c42dc478712231166749ed0467b"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["de76884"],"source_entry_id":"9.5.0/changes/045","source_hash":"adfcf4452612b1217c7aae384dbf405b06369b76c33bd496f479f980c9ccebd5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"e05f2d26a03e33a48b81fa7f57b3f14cb9f6013933bf64acd0ff72205f845268","text":"在备库提升期间为 WAL 文件加上 .partial 后缀后归档（Heikki Linnakangas）","title":"在备库提升期间为 WAL 文件加上 .partial 后缀后归档","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["4ad2a54"],"commit_groups":[["4ad2a54"]],"commits":[],"cves":[],"db_id":"3ba92f4ca1f0a7a03d7873c13e184a82","html":"\u003cp\u003e添加配置参数\u003ca href=\"/docs/9.5/runtime-config-logging.html#GUC-LOG-REPLICATION-COMMANDS\"\u003elog_replication_commands\u003c/a\u003e来记录复制命令（Fujii Masao）\u003c/p\u003e\n\u003cp\u003e默认情况下，复制命令（例如 \u003ca href=\"/docs/9.5/protocol-replication.html\" title=\"50.3. 流复制协议\"\u003e\u003ccode\u003eIDENTIFY_SYSTEM\u003c/code\u003e\u003c/a\u003e）不会被记录，即使\u003ca href=\"/docs/9.5/runtime-config-logging.html#GUC-LOG-STATEMENT\"\u003elog_statement\u003c/a\u003e被设置为 \u003ccode\u003eall\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-39f06a78c80c9378","identity_text":"Add configuration parameter guc-log-replication-commands to log replication commands (Fujii Masao) By default, replication commands, e.g., IDENTIFY_SYSTEM, are not logged, even when guc-log-statement is set to all.","part":"changes","patch_ids":["cdaf0fb2015e4c5f8dd99e8ad5c31e48"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["4ad2a54"],"source_entry_id":"9.5.0/changes/046","source_hash":"465da553a69ea7eee8fd7675da57960d4a3b931020805f882b19bd756f2e303b","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"07ad6f9e295ecdae59d322fc82aa89e52207ef2ea22e519bd93b0f46f17bc3b7","text":"添加配置参数log_replication_commands来记录复制命令（Fujii Masao） 默认情况下，复制命令（例如 IDENTIFY_SYSTEM）不会被记录，即使log_statement被设置为 all。","title":"添加配置参数log_replication_commands来记录复制命令","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["d811c03"],"commit_groups":[["d811c03"]],"commits":[],"cves":[],"db_id":"b196034a6d7276aed00b3a1809943534","html":"\u003cp\u003e在 \u003ca href=\"/docs/9.5/view-pg-replication-slots.html\" title=\"49.69. pg_replication_slots\"\u003e\u003ccode\u003epg_replication_slots\u003c/code\u003e\u003c/a\u003e 中报告持有复制槽的进程（Craig Ringer）\u003c/p\u003e\n\u003cp\u003e新增的输出列为 \u003ccode\u003eactive_pid\u003c/code\u003e。\u003c/p\u003e","id":"9.5.0-5f38a7cea73d0213","identity_text":"Report the processes holding replication slots in pg_replication_slots (Craig Ringer) The new output column is active_pid.","part":"changes","patch_ids":["9f37b31af81f71afe83776f310431aac"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["d811c03"],"source_entry_id":"9.5.0/changes/047","source_hash":"7f71723648b1f2b0f5555d15e2d88f64035223e935a0e41fdff144fad81fa880","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"7fbc1794225850da2a435c711f041d6c28c291ece2e3cf3e54698fbe906bb116","text":"在 pg_replication_slots 中报告持有复制槽的进程（Craig Ringer） 新增的输出列为 active_pid。","title":"在 pg_replication_slots 中报告持有复制槽的进程","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["b3fc672"],"commit_groups":[["b3fc672"]],"commits":[],"cves":[],"db_id":"7b16f5e6c75cf5937484fa8fe5a68b44","html":"\u003cp\u003e允许 \u003ccode\u003erecovery.conf\u003c/code\u003e 的 \u003ca href=\"/docs/9.5/standby-settings.html#PRIMARY-CONNINFO\"\u003e\u003ccode\u003eprimary_conninfo\u003c/code\u003e\u003c/a\u003e 设置使用连接 \u003cacronym\u003eURI\u003c/acronym\u003e（例如 \u003ccode\u003epostgres://\u003c/code\u003e）（Alexander Shulgin）\u003c/p\u003e","id":"9.5.0-fd2e4218e6a41edd","identity_text":"Allow recovery.conf's primary_conninfo setting to use connection URIs, e.g., postgres:// (Alexander Shulgin)","part":"changes","patch_ids":["2e03fdcfef7ff975dda5d43395515433"],"related_changes":[],"relations":[],"section":"复制与恢复","section_path":["复制与恢复"],"source_commits":["b3fc672"],"source_entry_id":"9.5.0/changes/048","source_hash":"4bcc3088befa607f55691f5d65c25e324bc3c6fcde3bd25039063926d2cc2d1e","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.4","statement_hash":"8449cdb1ad6db578c3376fa9b2e3c153ad582c435870dd2cfe024567b697cf24","text":"允许 recovery.conf 的 primary_conninfo 设置使用连接 URI（例如 postgres://）（Alexander Shulgin）","title":"允许 recovery.conf 的 primary_conninfo 设置使用连接 URI（例如 postgres://）","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["168d580","2c8f483"],"commit_groups":[["168d580"],["2c8f483"]],"commits":[],"cves":[],"db_id":"cf0d34b0bd8f94532f9733a7bb5727ac","html":"\u003cp\u003e允许把会产生约束冲突的 \u003ca href=\"/docs/9.5/sql-insert.html#SQL-ON-CONFLICT\" title=\"ON CONFLICT 子句\"\u003e\u003ccode\u003eINSERT\u003c/code\u003e\u003c/a\u003e 转换为 \u003ccode\u003eUPDATE\u003c/code\u003e 或忽略（Peter Geoghegan、Heikki Linnakangas、Andres Freund）\u003c/p\u003e\n\u003cp\u003e语法为 \u003ccode\u003eINSERT ... ON CONFLICT DO NOTHING/UPDATE\u003c/code\u003e。这是流行的 \u003ccode\u003eUPSERT\u003c/code\u003e 命令的 Postgres 实现。\u003c/p\u003e","id":"9.5.0-a15215fd0155b5a7","identity_text":"Allow INSERTs that would generate constraint conflicts to be turned into UPDATEs or ignored (Peter Geoghegan, Heikki Linnakangas, Andres Freund) The syntax is INSERT ... ON CONFLICT DO NOTHING/UPDATE. This is the Postgres implementation of the popular UPSERT command.","part":"changes","patch_ids":["235c1f00bedfe9ad2079c2538cd874d4","3997c5d5599e56ff730198c9db0d59b0"],"related_changes":[{"db_id":"893f5feb787cf9238d07135c4c110d4c","evidence":{"ambiguous_patch_ids":["235c1f00bedfe9ad2079c2538cd874d4","3997c5d5599e56ff730198c9db0d59b0"],"patch_ids":["235c1f00bedfe9ad2079c2538cd874d4","3997c5d5599e56ff730198c9db0d59b0"],"same_day":true},"kind":"related","label":"9.5","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.12","title":"外部表现在可以参与 INSERT ... 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ON CONFLICT DO NOTHING/UPDATE。这是流行的 UPSERT 命令的 Postgres 实现。","title":"允许把会产生约束冲突的 INSERT 转换为 UPDATE 或忽略","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["f3d3118"],"commit_groups":[["f3d3118"]],"commits":[],"cves":[],"db_id":"2ead5229744075c4632791bc460497fa","html":"\u003cp\u003e添加 \u003ccode\u003eGROUP BY\u003c/code\u003e 分析特性 \u003ca href=\"/docs/9.5/queries-table-expressions.html#QUERIES-GROUPING-SETS\" title=\"7.2.4. GROUPING SETS、CUBE和ROLLUP\"\u003e\u003ccode\u003eGROUPING SETS\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/queries-table-expressions.html#QUERIES-GROUPING-SETS\" title=\"7.2.4. GROUPING SETS、CUBE和ROLLUP\"\u003e\u003ccode\u003eCUBE\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/queries-table-expressions.html#QUERIES-GROUPING-SETS\" title=\"7.2.4. GROUPING SETS、CUBE和ROLLUP\"\u003e\u003ccode\u003eROLLUP\u003c/code\u003e\u003c/a\u003e（Andrew Gierth、Atri 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Frost）\u003c/p\u003e\n\u003cp\u003e此特性允许逐行控制哪些用户可以添加、修改甚至看到表中的行。它由新命令 \u003ca href=\"/docs/9.5/sql-createpolicy.html\" title=\"CREATE POLICY\"\u003e\u003ccode\u003eCREATE\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/sql-alterpolicy.html\" title=\"ALTER POLICY\"\u003e\u003ccode\u003eALTER\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/sql-droppolicy.html\" title=\"DROP POLICY\"\u003e\u003ccode\u003eDROP POLICY\u003c/code\u003e\u003c/a\u003e 以及 \u003ca href=\"/docs/9.5/sql-altertable.html\" title=\"ALTER TABLE\"\u003e\u003ccode\u003eALTER TABLE ... ENABLE/DISABLE ROW SECURITY\u003c/code\u003e\u003c/a\u003e 控制。\u003c/p\u003e","id":"9.5.0-d1768741a6fd12ee","identity_text":"Add row-level security control (Craig Ringer, KaiGai Kohei, Adam Brightwell, Dean Rasheed, Stephen Frost) This feature allows row-by-row control over which users can add, modify, or even see rows in a table. This is controlled by new commands CREATE/ALTER/DROP POLICY and ALTER TABLE ... ENABLE/DISABLE ROW SECURITY.","part":"changes","patch_ids":["b6955ca5a933cc367022f6c301f7da19"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["491c029"],"source_entry_id":"9.5.0/changes/062","source_hash":"c5e688c9815444e7eec229530f5cff822be98a9d3810bc7633cfb990235fc812","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"ffc32a8aede7437dfda14d1ea8969a889460bc20a513093ac6cb02fedc3b8eb2","text":"添加行级安全性控制（Craig Ringer、KaiGai Kohei、Adam Brightwell、Dean Rasheed、Stephen Frost） 此特性允许逐行控制哪些用户可以添加、修改甚至看到表中的行。它由新命令 CREATE/ALTER/DROP POLICY 以及 ALTER TABLE ... ENABLE/DISABLE ROW SECURITY 控制。","title":"添加行级安全性控制","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["f41872d"],"commit_groups":[["f41872d"]],"commits":[],"cves":[],"db_id":"4cc3187ae55e799387bf226a96a7e9fc","html":"\u003cp\u003e允许在创建表之后用 \u003ca href=\"/docs/9.5/sql-altertable.html\" title=\"ALTER TABLE\"\u003e\u003ccode\u003eALTER TABLE ... SET LOGGED / UNLOGGED\u003c/code\u003e\u003c/a\u003e 更改其 \u003cacronym\u003eWAL\u003c/acronym\u003e 记录状态（Fabrízio de Royes Mello）\u003c/p\u003e","id":"9.5.0-08d9e85620fb551b","identity_text":"Allow changing of the WAL logging status of a table after creation with ALTER TABLE ... SET LOGGED / UNLOGGED (Fabrízio de Royes Mello)","part":"changes","patch_ids":["739dcbfba1ac92895b479c74ed953a32"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["f41872d"],"source_entry_id":"9.5.0/changes/063","source_hash":"6fae7539206ba50d357b65192a1e006810ae83fd5ed34d7c2ac945a9a2603e7a","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"15cb29f08b73d443acdc3bb40f674cee3bef1b593da4f345cd499f01b24aa7af","text":"允许在创建表之后用 ALTER TABLE ... SET LOGGED / UNLOGGED 更改其 WAL 记录状态（Fabrízio de Royes Mello）","title":"允许在创建表之后用 ALTER TABLE ... SET LOGGED / UNLOGGED 更改其 WAL 记录状态","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["0076f26","08309aa","e39b6f9"],"commit_groups":[["0076f26"],["08309aa"],["e39b6f9"]],"commits":[],"cves":[],"db_id":"9cdba3bc340132d6641da0ee89738207","html":"\u003cp\u003e为 \u003ca href=\"/docs/9.5/sql-createtableas.html\" title=\"CREATE TABLE AS\"\u003e\u003ccode\u003eCREATE TABLE AS\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-createindex.html\" title=\"CREATE INDEX\"\u003e\u003ccode\u003eCREATE INDEX\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-createsequence.html\" title=\"CREATE SEQUENCE\"\u003e\u003ccode\u003eCREATE SEQUENCE\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/sql-creatematerializedview.html\" title=\"CREATE MATERIALIZED VIEW\"\u003e\u003ccode\u003eCREATE MATERIALIZED VIEW\u003c/code\u003e\u003c/a\u003e 添加 \u003ccode\u003eIF NOT EXISTS\u003c/code\u003e 子句（Fabrízio de Royes Mello）\u003c/p\u003e","id":"9.5.0-3478c23bbc40a05b","identity_text":"Add IF NOT EXISTS clause to CREATE TABLE AS, CREATE INDEX, CREATE SEQUENCE, and CREATE MATERIALIZED VIEW (Fabrízio de Royes Mello)","part":"changes","patch_ids":["7ef3dc5a03f66ee27f1d9b7ee7853dff","a36a63916c02aec96e1014b7eab4a202","e86c42295a083b1097e12a317ca64bf6"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["0076f26","08309aa","e39b6f9"],"source_entry_id":"9.5.0/changes/064","source_hash":"b92da16c8bb60c48d6822d7a7402bac67f124d3fd23f8058ae23d725ef7fb54f","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"005395a65b02026937c618a71ad1ecfcd7f2859b52a279809eab682891a38fbe","text":"为 CREATE TABLE AS、CREATE INDEX、CREATE SEQUENCE 和 CREATE MATERIALIZED VIEW 添加 IF NOT EXISTS 子句（Fabrízio de Royes Mello）","title":"为 CREATE TABLE AS、CREATE INDEX、CREATE SEQUENCE 和 CREATE MATERIALIZED VIEW 添加 IF NOT EXISTS 子句","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["1d8198b"],"commit_groups":[["1d8198b"]],"commits":[],"cves":[],"db_id":"8ac98b2d95826d5790e87fe4e7c59567","html":"\u003cp\u003e为 \u003ca href=\"/docs/9.5/sql-altertable.html\" title=\"ALTER TABLE\"\u003e\u003ccode\u003eALTER TABLE ... RENAME CONSTRAINT\u003c/code\u003e\u003c/a\u003e 添加对 \u003ccode\u003eIF EXISTS\u003c/code\u003e 的支持（Bruce Momjian）\u003c/p\u003e","id":"9.5.0-3a3a6023de16602c","identity_text":"Add support for IF EXISTS to ALTER TABLE ... RENAME CONSTRAINT (Bruce Momjian)","part":"changes","patch_ids":["0efbe2665334a15d2c3a46fc9f89d642"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["1d8198b"],"source_entry_id":"9.5.0/changes/065","source_hash":"c2977bdfd683e457844b99dc242aa9329a2e50d28083674afd7c6a6692628a31","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"29a2ce623c755ed6b2e4210db353eb1649a630e324fda404111f8544696aabd3","text":"为 ALTER TABLE ... RENAME CONSTRAINT 添加对 IF EXISTS 的支持（Bruce Momjian）","title":"为 ALTER TABLE ... RENAME CONSTRAINT 添加对 IF EXISTS 的支持","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["31eae60"],"commit_groups":[["31eae60"]],"commits":[],"cves":[],"db_id":"a4f88ee2f8db632aa5a57a5b558402f6","html":"\u003cp\u003e允许一些 DDL 命令接受 \u003ccode\u003eCURRENT_USER\u003c/code\u003e 或 \u003ccode\u003eSESSION_USER\u003c/code\u003e（即当前用户或会话用户）来代替特定的用户名（Kyotaro Horiguchi、Álvaro Herrera）\u003c/p\u003e\n\u003cp\u003e\u003ca href=\"/docs/9.5/sql-alteruser.html\" title=\"ALTER USER\"\u003e\u003cspan\u003eALTER USER\u003c/span\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-altergroup.html\" title=\"ALTER GROUP\"\u003e\u003cspan\u003eALTER GROUP\u003c/span\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-alterrole.html\" title=\"ALTER ROLE\"\u003e\u003cspan\u003eALTER ROLE\u003c/span\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-grant.html\" title=\"GRANT\"\u003e\u003cspan\u003eGRANT\u003c/span\u003e\u003c/a\u003e以及 \u003ccode\u003eALTER \u003cem\u003e\u003ccode\u003eobject\u003c/code\u003e\u003c/em\u003e OWNER TO\u003c/code\u003e 命令现在支持此特性。\u003c/p\u003e","id":"9.5.0-b1b66dea42ec58f3","identity_text":"Allow some DDL commands to accept CURRENT_USER or SESSION_USER, meaning the current user or session user, in place of a specific user name (Kyotaro Horiguchi, Álvaro Herrera) This feature is now supported in SQL-ALTERUSER , SQL-ALTERGROUP , SQL-ALTERROLE , SQL-GRANT , and ALTER object OWNER TO commands.","part":"changes","patch_ids":["d0d5d40dcd3c949f6ae979eafd6e6734"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["31eae60"],"source_entry_id":"9.5.0/changes/066","source_hash":"b11a00aa198258a1bb6800a2e7422b57ae67496e7d5c87cd0387caea89ea771b","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"1b8fc2c839b49cf61302d3c9bc9d86a53e26f5025e0b002a807686637bdb8a79","text":"允许一些 DDL 命令接受 CURRENT_USER 或 SESSION_USER（即当前用户或会话用户）来代替特定的用户名（Kyotaro Horiguchi、Álvaro Herrera） ALTER USER、ALTER GROUP、ALTER ROLE、GRANT以及 ALTER object OWNER TO 命令现在支持此特性。","title":"允许一些 DDL 命令接受 CURRENT_USER 或 SESSION_USER（即当前用户或会话用户）来代替特定的用户名","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["7eca575"],"commit_groups":[["7eca575"]],"commits":[],"cves":[],"db_id":"65a4cb2d096e0a22ad14f4a6e8a33df7","html":"\u003cp\u003e支持对\u003ca href=\"/docs/9.5/sql-createdomain.html\" title=\"CREATE DOMAIN\"\u003e域约束\u003c/a\u003e的注释（Álvaro Herrera）\u003c/p\u003e","id":"9.5.0-869d1de27d53d88c","identity_text":"Support comments on domain constraints (Álvaro Herrera)","part":"changes","patch_ids":["7ba4ad2d0439465b836f91fc1a8d370b"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["7eca575"],"source_entry_id":"9.5.0/changes/067","source_hash":"398d5bc398474fe21f02246eb538c2c97c94b27f515131f13b7b1060ba51287d","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"431800fba40815588a0679f7a3d4b39e9d7cf4ad016c6fb78f2e5a89e91116e1","text":"支持对域约束的注释（Álvaro Herrera）","title":"支持对域约束的注释","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["0ef0396"],"commit_groups":[["0ef0396"]],"commits":[],"cves":[],"db_id":"63c0a0e57c41166375300264ea06242c","html":"\u003cp\u003e降低一些创建/更改触发器和外键命令的锁定级别（Simon Riggs、Andreas Karlsson）\u003c/p\u003e","id":"9.5.0-b26b2992ece17d47","identity_text":"Reduce lock levels of some create and alter trigger and foreign key commands (Simon Riggs, Andreas Karlsson)","part":"changes","patch_ids":["f5def199c09879e19eb473f99aba8b80"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["0ef0396"],"source_entry_id":"9.5.0/changes/068","source_hash":"8023b14001977383649d63df51d15b5314d406a33bede9639a965646b229e439","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"99e1e2484e8b86e69c60d86fa24c80450c4540cccbb5bf2c5efd8d01297ad1d3","text":"降低一些创建/更改触发器和外键命令的锁定级别（Simon Riggs、Andreas Karlsson）","title":"降低一些创建/更改触发器和外键命令的锁定级别","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["fa26424"],"commit_groups":[["fa26424"]],"commits":[],"cves":[],"db_id":"d554b7aa47a0e63688dbf09c29db3db7","html":"\u003cp\u003e允许对目标表具有 \u003ccode\u003eINSERT\u003c/code\u003e 权限的用户执行 \u003ca href=\"/docs/9.5/sql-lock.html\" title=\"LOCK\"\u003e\u003ccode\u003eLOCK TABLE ... ROW EXCLUSIVE MODE\u003c/code\u003e\u003c/a\u003e（Stephen Frost）\u003c/p\u003e\n\u003cp\u003e以前此命令要求 \u003ccode\u003eUPDATE\u003c/code\u003e、\u003ccode\u003eDELETE\u003c/code\u003e 或 \u003ccode\u003eTRUNCATE\u003c/code\u003e 权限。\u003c/p\u003e","id":"9.5.0-aa2a590f636d06cc","identity_text":"Allow LOCK TABLE ... ROW EXCLUSIVE MODE for those with INSERT privileges on the target table (Stephen Frost) Previously this command required UPDATE, DELETE, or TRUNCATE privileges.","part":"changes","patch_ids":["69d5a57d3a9d94823587fe2db1c34c2a"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["fa26424"],"source_entry_id":"9.5.0/changes/069","source_hash":"9f8b8cae2eedd1ed2e9ad8ea5ec5dbeb4d7813e0ef32d503f772d4529f0f5ae2","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"0a85bbb94be23cc6234cc6cae0bed89c9e2dcad5c25a5dc4a452d1aea5f4e253","text":"允许对目标表具有 INSERT 权限的用户执行 LOCK TABLE ... ROW EXCLUSIVE MODE（Stephen Frost） 以前此命令要求 UPDATE、DELETE 或 TRUNCATE 权限。","title":"允许对目标表具有 INSERT 权限的用户执行 LOCK TABLE ... ROW EXCLUSIVE MODE","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["e5f455f"],"commit_groups":[["e5f455f"]],"commits":[],"cves":[],"db_id":"9213120fcb94758ca55f8af0ac9746df","html":"\u003cp\u003e按名称顺序应用表和域的 \u003ccode\u003eCHECK\u003c/code\u003e 约束（Tom Lane）\u003c/p\u003e\n\u003cp\u003e以前的顺序是不确定的。\u003c/p\u003e","id":"9.5.0-aaa78c429f00818e","identity_text":"Apply table and domain CHECK constraints in order by name (Tom Lane) The previous ordering was indeterminate.","part":"changes","patch_ids":["28970e157c93332f648f3fe413bbc5d2"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["e5f455f"],"source_entry_id":"9.5.0/changes/070","source_hash":"d363e9aec0b53c042ce33f68d8cd30e4e74b338d77a1f905946abf84abbcf7e7","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"de1121f32e1c318d910ee7d12d34d402e31ef6e1c62d2e4c6395210871de14d7","text":"按名称顺序应用表和域的 CHECK 约束（Tom Lane） 以前的顺序是不确定的。","title":"按名称顺序应用表和域的 CHECK 约束","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["15c82ef","fbb1d7d"],"commit_groups":[["15c82ef"],["fbb1d7d"]],"commits":[],"cves":[],"db_id":"f09c91fb1185ba135542b5185f995086","html":"\u003cp\u003e允许 \u003ca href=\"/docs/9.5/sql-createdatabase.html\" title=\"CREATE DATABASE\"\u003e\u003ccode\u003eCREATE\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/sql-alterdatabase.html\" title=\"ALTER DATABASE\"\u003e\u003ccode\u003eALTER DATABASE\u003c/code\u003e\u003c/a\u003e 操纵 \u003ccode\u003edatistemplate\u003c/code\u003e 和 \u003ccode\u003edatallowconn\u003c/code\u003e（Vik Fearing）\u003c/p\u003e\n\u003cp\u003e这样无需手动修改 \u003ca href=\"/docs/9.5/catalog-pg-database.html\" title=\"49.15. pg_database\"\u003e\u003ccode\u003epg_database\u003c/code\u003e\u003c/a\u003e 系统目录即可更改这些按数据库的设置。\u003c/p\u003e","id":"9.5.0-e877865aa511fb12","identity_text":"Allow CREATE/ALTER DATABASE to manipulate datistemplate and datallowconn (Vik Fearing) This allows these per-database settings to be changed without manually modifying the pg_database system catalog.","part":"changes","patch_ids":["8b4623510eebfb56076f739bc0442aca","bfcf1fc09ef4b2586bb58dab11117568"],"related_changes":[],"relations":[],"section":"对象操作","section_path":["对象操作"],"source_commits":["15c82ef","fbb1d7d"],"source_entry_id":"9.5.0/changes/071","source_hash":"256804330795f28726dad9eae3f672e12b0c1cf79e9103b5f40019fc2b4c5c7c","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7","statement_hash":"5797bffe3209c4f5a4dfb947b1b7a2f6c32c05ad2e3aa585d863a4e1df1f770b","text":"允许 CREATE/ALTER DATABASE 操纵 datistemplate 和 datallowconn（Vik Fearing） 这样无需手动修改 pg_database 系统目录即可更改这些按数据库的设置。","title":"允许 CREATE/ALTER DATABASE 操纵 datistemplate 和 datallowconn","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["59efda3"],"commit_groups":[["59efda3"]],"commits":[],"cves":[],"db_id":"9f8e2af3460d1109110303b6560ffa03","html":"\u003cp\u003e添加对\u003ca href=\"/docs/9.5/sql-importforeignschema.html\" title=\"IMPORT FOREIGN SCHEMA\"\u003e\u003cspan\u003eIMPORT FOREIGN SCHEMA\u003c/span\u003e\u003c/a\u003e的支持（Ronan Dunklau、Michael Paquier、Tom Lane）\u003c/p\u003e\n\u003cp\u003e此命令允许自动创建与远程服务器上现有表结构匹配的本地外部表。\u003c/p\u003e","id":"9.5.0-50d28c973fc166e5","identity_text":"Add support for SQL-IMPORTFOREIGNSCHEMA (Ronan Dunklau, Michael Paquier, Tom Lane) This command allows automatic creation of local foreign tables that match the structure of existing tables on a remote server.","part":"changes","patch_ids":["6d46883fdd99480a6bc4998ba38b617c"],"related_changes":[],"relations":[],"section":"对象操作 / 外部表","section_path":["对象操作","外部表"],"source_commits":["59efda3"],"source_entry_id":"9.5.0/changes/072","source_hash":"05639b3b91fa565da47ba390a571bbcb7a89ecd36834047937431841937b376c","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.3","statement_hash":"2c40830551976902708a4c9c72c26e4bf22bb85a328d96adfc7e7c8cee930227","text":"添加对IMPORT FOREIGN SCHEMA的支持（Ronan Dunklau、Michael Paquier、Tom Lane） 此命令允许自动创建与远程服务器上现有表结构匹配的本地外部表。","title":"添加对IMPORT FOREIGN SCHEMA的支持","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["fc2ac1f"],"commit_groups":[["fc2ac1f"]],"commits":[],"cves":[],"db_id":"c3b25292cf6bf2eb7e19d5276c7fa148","html":"\u003cp\u003e允许在外部表上放置 \u003ccode\u003eCHECK\u003c/code\u003e 约束（Shigeru Hanada、Etsuro Fujita）\u003c/p\u003e\n\u003cp\u003e此类约束被假定在远程服务器上执行，本地并不执行。但在查询优化（例如\u003ca href=\"/docs/9.5/ddl-partitioning.html#DDL-PARTITIONING-CONSTRAINT-EXCLUSION\" title=\"5.10.4. 分区和约束排除\"\u003e约束排除\u003c/a\u003e）中假定它们成立。\u003c/p\u003e","id":"9.5.0-ca73bf6fc07e2962","identity_text":"Allow CHECK constraints to be placed on foreign tables (Shigeru Hanada, Etsuro Fujita) Such constraints are assumed to be enforced on the remote server, and are not enforced locally. However, they are assumed to hold for purposes of query optimization, such as constraint exclusion.","part":"changes","patch_ids":["84d651b9d82b8fb561e2e517163c4cdb"],"related_changes":[],"relations":[],"section":"对象操作 / 外部表","section_path":["对象操作","外部表"],"source_commits":["fc2ac1f"],"source_entry_id":"9.5.0/changes/073","source_hash":"973c63e9a79a4732526d49a32b70d90403daec7a7dc8ffaebe8b81f437c837e4","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.3","statement_hash":"6b1841b1b9b2bdfe2df4662a9bdcacc28390a62de25ddf72c0d563412e734894","text":"允许在外部表上放置 CHECK 约束（Shigeru Hanada、Etsuro Fujita） 此类约束被假定在远程服务器上执行，本地并不执行。但在查询优化（例如约束排除）中假定它们成立。","title":"允许在外部表上放置 CHECK 约束","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["cb1ca4d"],"commit_groups":[["cb1ca4d"]],"commits":[],"cves":[],"db_id":"8bac4f958146e9af0e1cd72971c13610","html":"\u003cp\u003e允许外部表参与继承（Shigeru Hanada、Etsuro Fujita）\u003c/p\u003e\n\u003cp\u003e为使其自然工作，现在允许外部表带有标记为 NOT VALID 的检查约束，并允许设置存储和 \u003ccode\u003eOID\u003c/code\u003e 特性，尽管这些操作对外部表实际上是空操作。\u003c/p\u003e","id":"9.5.0-e686ba471689800f","identity_text":"Allow foreign tables to participate in inheritance (Shigeru Hanada, Etsuro Fujita) To let this work naturally, foreign tables are now allowed to have check constraints marked as not valid, and to set storage and OID characteristics, even though these operations are effectively no-ops for a foreign table.","part":"changes","patch_ids":["3859316800073a485dfd2006fb932748"],"related_changes":[],"relations":[],"section":"对象操作 / 外部表","section_path":["对象操作","外部表"],"source_commits":["cb1ca4d"],"source_entry_id":"9.5.0/changes/074","source_hash":"b75fab6888c27ace6cf3b97e3c172b32a2198d5c78944904c55f828e9e7a4587","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.3","statement_hash":"a41b1e2790b7010287da07cd366c621fb41a9ff7586aed16ecd196668fef5e17","text":"允许外部表参与继承（Shigeru Hanada、Etsuro Fujita） 为使其自然工作，现在允许外部表带有标记为 NOT VALID 的检查约束，并允许设置存储和 OID 特性，尽管这些操作对外部表实际上是空操作。","title":"允许外部表参与继承","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["1a8a4e5","e7cb7ee"],"commit_groups":[["1a8a4e5"],["e7cb7ee"]],"commits":[],"cves":[],"db_id":"ae1c885a81ba7eb50335823a36e355bd","html":"\u003cp\u003e允许外部数据包装器和自定义扫描实现连接下推（KaiGai Kohei）\u003c/p\u003e","id":"9.5.0-79275d90c28c3f5c","identity_text":"Allow foreign data wrappers and custom scans to implement join pushdown (KaiGai Kohei)","part":"changes","patch_ids":["64617be1d88ce0f9f661e4113e14081a","9b5c7fd937c23980dde98b7340486e1a"],"related_changes":[],"relations":[],"section":"对象操作 / 外部表","section_path":["对象操作","外部表"],"source_commits":["1a8a4e5","e7cb7ee"],"source_entry_id":"9.5.0/changes/075","source_hash":"ab08d71a7f508cf4c4172952495a733b318ea5f6a31fc81345cf216bf44111c6","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.3","statement_hash":"ea1c795e802bc1f390596fbcf6a4f9b203df582158d813ec81dcfcca71485eb0","text":"允许外部数据包装器和自定义扫描实现连接下推（KaiGai Kohei）","title":"允许外部数据包装器和自定义扫描实现连接下推","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["b488c58"],"commit_groups":[["b488c58"]],"commits":[],"cves":[],"db_id":"118b6916e559349a73fb94cc943c3846","html":"\u003cp\u003e只要安装了 \u003ccode\u003eddl_command_end\u003c/code\u003e 事件触发器，就会捕获 \u003cacronym\u003eDDL\u003c/acronym\u003e 活动的细节供其检查（Álvaro Herrera）\u003c/p\u003e\n\u003cp\u003e这些信息可以通过集合返回函数 \u003ca href=\"/docs/9.5/functions-event-triggers.html#PG-EVENT-TRIGGER-DDL-COMMAND-END-FUNCTIONS\" title=\"9.28.1. 在命令结束处捕捉更改\"\u003e\u003ccode\u003epg_event_trigger_ddl_commands()\u003c/code\u003e\u003c/a\u003e 获取；如果该函数提供的细节不够，也可以通过检查 C 数据结构获取。\u003c/p\u003e","id":"9.5.0-588de96c4d1f809d","identity_text":"Whenever a ddl_command_end event trigger is installed, capture details of DDL activity for it to inspect (Álvaro Herrera) This information is available through a set-returning function pg_event_trigger_ddl_commands(), or by inspection of C data structures if that function doesn't provide enough detail.","part":"changes","patch_ids":["46f9393d01bb41f4e161623363832062"],"related_changes":[],"relations":[],"section":"对象操作 / 事件触发器","section_path":["对象操作","事件触发器"],"source_commits":["b488c58"],"source_entry_id":"9.5.0/changes/076","source_hash":"03faef7c14662e66a682bc8cb4ce9e68a5fb928f529ee0327e3bfaacf6d838c3","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.4","statement_hash":"94c8a2f27d9bf227062eb087680ab4689069d213c8aa2442be2b8b375e0bb7ed","text":"只要安装了 ddl_command_end 事件触发器，就会捕获 DDL 活动的细节供其检查（Álvaro Herrera） 这些信息可以通过集合返回函数 pg_event_trigger_ddl_commands() 获取；如果该函数提供的细节不够，也可以通过检查 C 数据结构获取。","title":"只要安装了 ddl_command_end 事件触发器，就会捕获 DDL 活动的细节供其检查","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["618c943"],"commit_groups":[["618c943"]],"commits":[],"cves":[],"db_id":"d50f24d5b0d5b7bc651ad528fb46702b","html":"\u003cp\u003e允许对由 \u003ca href=\"/docs/9.5/sql-altertable.html\" title=\"ALTER TABLE\"\u003e\u003ccode\u003eALTER TABLE\u003c/code\u003e\u003c/a\u003e 引起的表重写设置事件触发器（Dimitri Fontaine）\u003c/p\u003e","id":"9.5.0-96f28df906163841","identity_text":"Allow event triggers on table rewrites caused by ALTER TABLE (Dimitri Fontaine)","part":"changes","patch_ids":["c803fcc883f3418c6613628ed83f9858"],"related_changes":[],"relations":[],"section":"对象操作 / 事件触发器","section_path":["对象操作","事件触发器"],"source_commits":["618c943"],"source_entry_id":"9.5.0/changes/077","source_hash":"2d14263f63ce1b15c3cb62da811fd442c94404dceb698c3b34fa46dd0be9b9e0","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.4","statement_hash":"316ca2c31b8ae1a59b347f204b8c7bd0020102a07771430c7c31313c2d7d9c3e","text":"允许对由 ALTER TABLE 引起的表重写设置事件触发器（Dimitri Fontaine）","title":"允许对由 ALTER TABLE 引起的表重写设置事件触发器","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["296f3a6"],"commit_groups":[["296f3a6"]],"commits":[],"cves":[],"db_id":"a8ed96e977f1703961eb6c182b283ab2","html":"\u003cp\u003e为数据库级的 \u003ca href=\"/docs/9.5/sql-comment.html\" title=\"COMMENT\"\u003e\u003ccode\u003eCOMMENT\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/sql-security-label.html\" title=\"SECURITY LABEL\"\u003e\u003ccode\u003eSECURITY LABEL\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/sql-grant.html\" title=\"GRANT\"\u003e\u003ccode\u003eGRANT\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/sql-revoke.html\" title=\"REVOKE\"\u003e\u003ccode\u003eREVOKE\u003c/code\u003e\u003c/a\u003e 添加事件触发器支持（Álvaro Herrera）\u003c/p\u003e","id":"9.5.0-1f9e65f524475aed","identity_text":"Add event trigger support for database-level COMMENT, SECURITY LABEL, and GRANT/REVOKE (Álvaro Herrera)","part":"changes","patch_ids":["de0b8f22da35fbd5a7ed3d3926f1012a"],"related_changes":[],"relations":[],"section":"对象操作 / 事件触发器","section_path":["对象操作","事件触发器"],"source_commits":["296f3a6"],"source_entry_id":"9.5.0/changes/078","source_hash":"e0b91578cccd80ad7bd34a9b3bf95c537accbc5607a6dde2ca041777a673b1bc","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.4","statement_hash":"1f7da9df2a6bf0b2e7013ef6abd1d8b76fd7615c67007c71ad38f6496423f3d1","text":"为数据库级的 COMMENT、SECURITY LABEL 和 GRANT/REVOKE 添加事件触发器支持（Álvaro Herrera）","title":"为数据库级的 COMMENT、SECURITY LABEL 和 GRANT/REVOKE 添加事件触发器支持","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["72dd233","e9a077c"],"commit_groups":[["72dd233"],["e9a077c"]],"commits":[],"cves":[],"db_id":"b9dae0889e642cc159b6761a44360ae0","html":"\u003cp\u003e向 \u003ca href=\"/docs/9.5/functions-event-triggers.html#PG-EVENT-TRIGGER-SQL-DROP-FUNCTIONS\" title=\"9.28.2. 处理被 DDL 命令删除的对象\"\u003e\u003ccode\u003epg_event_trigger_dropped_objects\u003c/code\u003e\u003c/a\u003e 的输出添加列（Álvaro Herrera）\u003c/p\u003e\n\u003cp\u003e这使删除操作的处理更简单。\u003c/p\u003e","id":"9.5.0-23580196028cbb73","identity_text":"Add columns to the output of pg_event_trigger_dropped_objects (Álvaro Herrera) This allows simpler processing of delete operations.","part":"changes","patch_ids":["56341f602d371aedb8f428b974ec2df4","826fb6d16def63f43f8f3d983a88fb13"],"related_changes":[],"relations":[],"section":"对象操作 / 事件触发器","section_path":["对象操作","事件触发器"],"source_commits":["72dd233","e9a077c"],"source_entry_id":"9.5.0/changes/079","source_hash":"8f15cc0feed41960175fbbb8b536c335b61b1ffc6b6675cc78a1e992c2e9e81d","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.7.4","statement_hash":"f4e5371f203731d38d2a95b944fa11d11f565c84ea266c72c37773fbaf11fb0d","text":"向 pg_event_trigger_dropped_objects 的输出添加列（Álvaro Herrera） 这使删除操作的处理更简单。","title":"向 pg_event_trigger_dropped_objects 的输出添加列","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["57b1085"],"commit_groups":[["57b1085"]],"commits":[],"cves":[],"db_id":"27b9ce45d6d08472d8eff11808a54043","html":"\u003cp\u003e允许 \u003ca href=\"/docs/9.5/datatype-xml.html\" title=\"8.13. XML类型\"\u003e\u003ccode\u003exml\u003c/code\u003e\u003c/a\u003e 数据类型接受空或全空白的内容值（Peter Eisentraut）\u003c/p\u003e\n\u003cp\u003e这是 \u003cacronym\u003eSQL\u003c/acronym\u003e/\u003cacronym\u003eXML\u003c/acronym\u003e 规范的要求。\u003c/p\u003e","id":"9.5.0-a959299311129a89","identity_text":"Allow the xml data type to accept empty or all-whitespace content values (Peter Eisentraut) This is required by the SQL/XML specification.","part":"changes","patch_ids":["0916d00ef19b13a99506da0d82e34a79"],"related_changes":[],"relations":[],"section":"数据类型","section_path":["数据类型"],"source_commits":["57b1085"],"source_entry_id":"9.5.0/changes/080","source_hash":"0a2e3f8422757a22f27785cf9dfe6e1a6cf8131d7a0c5a6c081ea38e1c43e900","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8","statement_hash":"6aaddfeac327ee4202da7ca5634d12f12efc99151fec26decd8e70d2be510255","text":"允许 xml 数据类型接受空或全空白的内容值（Peter Eisentraut） 这是 SQL/XML 规范的要求。","title":"允许 xml 数据类型接受空或全空白的内容值","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["6f04368"],"commit_groups":[["6f04368"]],"commits":[],"cves":[],"db_id":"e7c767317d6e4dd352edf33d7662f3dc","html":"\u003cp\u003e允许 \u003ca href=\"/docs/9.5/datatype-net-types.html#DATATYPE-MACADDR\" title=\"8.9.4. macaddr\"\u003e\u003ccode\u003emacaddr\u003c/code\u003e\u003c/a\u003e 使用 \u003ccode\u003exxxx-xxxx-xxxx\u003c/code\u003e 格式输入（Herwin Weststrate）\u003c/p\u003e","id":"9.5.0-0a908b3481161ac5","identity_text":"Allow macaddr input using the format xxxx-xxxx-xxxx (Herwin Weststrate)","part":"changes","patch_ids":["5865740164923b3c579443da567b8938"],"related_changes":[],"relations":[],"section":"数据类型","section_path":["数据类型"],"source_commits":["6f04368"],"source_entry_id":"9.5.0/changes/081","source_hash":"0375837fb8b0ca291eb4d90e4ee357b53f02e2633d422737029a6cec50a6deb0","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8","statement_hash":"40121b6d52ab353c0ce3227e86ad5c55f78c4e08cf19d1a37edbdde80e91efc4","text":"允许 macaddr 使用 xxxx-xxxx-xxxx 格式输入（Herwin Weststrate）","title":"允许 macaddr 使用 xxxx-xxxx-xxxx 格式输入","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["417f924"],"commit_groups":[["417f924"]],"commits":[],"cves":[],"db_id":"78d12132633bc3306445cf23cb1dbd3b","html":"\u003cp\u003e禁止对 \u003ca href=\"/docs/9.5/datatype-datetime.html#DATATYPE-INTERVAL-INPUT\" title=\"8.5.4. 间隔输入\"\u003e\u003ccode\u003einterval\u003c/code\u003e\u003c/a\u003e 同时指定精度和字段说明的非 SQL 标准语法（Bruce Momjian）\u003c/p\u003e\n\u003cp\u003e按照标准，此类类型说明应写成例如 \u003ccode\u003eINTERVAL MINUTE TO SECOND(2)\u003c/code\u003e。\u003cspan\u003ePostgreSQL\u003c/span\u003e 以前允许写成 \u003ccode\u003eINTERVAL(2) MINUTE TO SECOND\u003c/code\u003e，但现在必须按标准方式书写。\u003c/p\u003e","id":"9.5.0-5cd7ce5591ed9a9e","identity_text":"Disallow non-SQL-standard syntax for interval with both precision and field specifications (Bruce Momjian) Per the standard, such type specifications should be written as, for example, INTERVAL MINUTE TO SECOND(2). PostgreSQL formerly allowed this to be written as INTERVAL(2) MINUTE TO SECOND, but it must now be written in the standard way.","part":"changes","patch_ids":["3781fc03846b029fc69d92a124074989"],"related_changes":[],"relations":[],"section":"数据类型","section_path":["数据类型"],"source_commits":["417f924"],"source_entry_id":"9.5.0/changes/082","source_hash":"f655ae91bd259d3e492a5050caa29092b3326b417a9b7393164f578e5f8f0a83","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8","statement_hash":"ca2c41e709744a97342842619325f955618004ff8f55f86f3e0099040f0b4214","text":"禁止对 interval 同时指定精度和字段说明的非 SQL 标准语法（Bruce Momjian） 按照标准，此类类型说明应写成例如 INTERVAL MINUTE TO SECOND(2)。PostgreSQL 以前允许写成 INTERVAL(2) MINUTE TO SECOND，但现在必须按标准方式书写。","title":"禁止对 interval 同时指定精度和字段说明的非 SQL 标准语法","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["89840d7"],"commit_groups":[["89840d7"]],"commits":[],"cves":[],"db_id":"9ea5b92e6fb71a0d329602d0ad9e4f6d","html":"\u003cp\u003e为 \u003ca href=\"/docs/9.5/datatype-net-types.html#DATATYPE-INET\" title=\"8.9.1. inet\"\u003e\u003ccode\u003einet\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/datatype-net-types.html#DATATYPE-CIDR\" title=\"8.9.2. cidr\"\u003e\u003ccode\u003ecidr\u003c/code\u003e\u003c/a\u003e 操作符添加选择率估计器，并改进文本检索函数的估计器（Emre Hasegeli、Tom Lane）\u003c/p\u003e","id":"9.5.0-04669b4158b5978b","identity_text":"Add selectivity estimators for inet/cidr operators and improve estimators for text search functions (Emre Hasegeli, Tom Lane)","part":"changes","patch_ids":["270ff53337b0f5f19deac1cc2cc8493c"],"related_changes":[],"relations":[],"section":"数据类型","section_path":["数据类型"],"source_commits":["89840d7"],"source_entry_id":"9.5.0/changes/083","source_hash":"4b3b70d99220339f35e53d8dc53e590d3f48c48accf012543616c61d69b9ea70","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8","statement_hash":"b7d489cc7fb6451aa6e482e59205abb645ad5d755a5b2b29b47c312a08dd2350","text":"为 inet/cidr 操作符添加选择率估计器，并改进文本检索函数的估计器（Emre Hasegeli、Tom Lane）","title":"为 inet/cidr 操作符添加选择率估计器，并改进文本检索函数的估计器","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["0c90f67","cb9fa80"],"commit_groups":[["0c90f67"],["cb9fa80"]],"commits":[],"cves":[],"db_id":"1164b18e4222017d461664691ab41f8c","html":"\u003cp\u003e添加数据类型 \u003ca href=\"/docs/9.5/datatype-oid.html#DATATYPE-OID-TABLE\" title=\"表 8.24. 对象标识符类型\"\u003e\u003ccode\u003eregrole\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/datatype-oid.html#DATATYPE-OID-TABLE\" title=\"表 8.24. 对象标识符类型\"\u003e\u003ccode\u003eregnamespace\u003c/code\u003e\u003c/a\u003e，以简化角色或命名空间 \u003ccode\u003eOID\u003c/code\u003e 的输入与美化打印（Kyotaro Horiguchi）\u003c/p\u003e","id":"9.5.0-09049fab6acc480a","identity_text":"Add data types regrole and regnamespace to simplify entering and pretty-printing the OID of a role or namespace (Kyotaro Horiguchi)","part":"changes","patch_ids":["249170c95c4b564aff608c139e18b4b0","7eec2cd8a3fc8d9a30a813a156c3c0ec"],"related_changes":[],"relations":[],"section":"数据类型","section_path":["数据类型"],"source_commits":["0c90f67","cb9fa80"],"source_entry_id":"9.5.0/changes/084","source_hash":"a6c799945f95da7db97278d8cc85d7b7fafabdb3a523835b2929963092765cc8","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8","statement_hash":"eb4bdd11486e84ab14e64a5666b1e121a3f0808e33b3c648c4b73764fe893497","text":"添加数据类型 regrole 和 regnamespace，以简化角色或命名空间 OID 的输入与美化打印（Kyotaro Horiguchi）","title":"添加数据类型 regrole 和 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href=\"/docs/9.5/functions-json.html#FUNCTIONS-JSON-CREATION-TABLE\" title=\"表 9.42. JSON 创建函数\"\u003e\u003ccode\u003ejsonb_object()\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/functions-json.html#FUNCTIONS-JSON-CREATION-TABLE\" title=\"表 9.42. JSON 创建函数\"\u003e\u003ccode\u003ejsonb_build_object()\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/functions-json.html#FUNCTIONS-JSON-CREATION-TABLE\" title=\"表 9.42. JSON 创建函数\"\u003e\u003ccode\u003ejsonb_build_array()\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/functions-aggregate.html#FUNCTIONS-AGGREGATE-TABLE\" title=\"表 9.49. 通用聚合函数\"\u003e\u003ccode\u003ejsonb_agg()\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/functions-aggregate.html#FUNCTIONS-AGGREGATE-TABLE\" title=\"表 9.49. 通用聚合函数\"\u003e\u003ccode\u003ejsonb_object_agg()\u003c/code\u003e\u003c/a\u003e（Andrew Dunstan）\u003c/p\u003e\n\u003cp\u003e\u003ccode\u003ejson\u003c/code\u003e 类型此前已有等效函数。\u003c/p\u003e","id":"9.5.0-5b8d0e6e32b21419","identity_text":"Add jsonb generator functions to_jsonb(), jsonb_object(), jsonb_build_object(), jsonb_build_array(), jsonb_agg(), and jsonb_object_agg() (Andrew Dunstan) Equivalent functions already existed for type json.","part":"changes","patch_ids":["c94e407573a1cc6a3986537fbc952f73"],"related_changes":[],"relations":[],"section":"数据类型 / JSON","section_path":["数据类型","JSON"],"source_commits":["7e354ab"],"source_entry_id":"9.5.0/changes/086","source_hash":"67d838bdac48c35e9463c641559749d8e5cd03249d3dbabc8458d8eee3613805","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.8.3","statement_hash":"b24a1740dd95f7cbda9afb34b3d89f75161c795bad80ec6a0cfdb449bc06e2dc","text":"添加 jsonb 生成函数 to_jsonb()、jsonb_object()、jsonb_build_object()、jsonb_build_array()、jsonb_agg() 和 jsonb_object_agg()（Andrew Dunstan） json 类型此前已有等效函数。","title":"添加 jsonb 生成函数 to_jsonb()、jsonb_object()、jsonb_build_object()、jsonb_build_array()、jsonb_agg() 和 jsonb_object_agg()","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["b67f1ce"],"commit_groups":[["b67f1ce"]],"commits":[],"cves":[],"db_id":"dd206ff0113ca0053d2dc2384cfd23b8","html":"\u003cp\u003e降低 \u003ca href=\"/docs/9.5/datatype-json.html\" title=\"8.14. JSON 类型\"\u003e\u003ccode\u003ejson\u003c/code\u003e\u003c/a\u003e 与 \u003ca href=\"/docs/9.5/datatype-json.html\" title=\"8.14. JSON 类型\"\u003e\u003ccode\u003ejsonb\u003c/code\u003e\u003c/a\u003e 之间相互转换的转换要求（Tom Lane）\u003c/p\u003e","id":"9.5.0-fe73275cdc3cbec9","identity_text":"Reduce casting requirements to/from json and jsonb (Tom Lane)","part":"changes","patch_ids":["9e33a9c3dd46c0d5392e4e6cbd4ed82c"],"related_changes":[],"relations":[],"section":"数据类型 / 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href=\"/docs/9.5/functions-json.html#FUNCTIONS-JSON-PROCESSING-TABLE\" title=\"表 9.43. JSON 处理函数\"\u003e\u003ccode\u003ejson_strip_nulls()\u003c/code\u003e\u003c/a\u003e 和 \u003ca href=\"/docs/9.5/functions-json.html#FUNCTIONS-JSON-PROCESSING-TABLE\" title=\"表 9.43. JSON 处理函数\"\u003e\u003ccode\u003ejsonb_strip_nulls()\u003c/code\u003e\u003c/a\u003e 函数，用于从文档中移除 JSON 空值（Andrew Dunstan）\u003c/p\u003e","id":"9.5.0-2121b35c30a8120d","identity_text":"Add json_strip_nulls() and jsonb_strip_nulls() functions to remove JSON null values from documents (Andrew Dunstan)","part":"changes","patch_ids":["2a4ede4d26138895097f934a31d3c018"],"related_changes":[],"relations":[],"section":"数据类型 / 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generate_series() for numeric values (Plato Malugin)","part":"changes","patch_ids":["5871b6d28c640e30e21a8c84feda7eaf"],"related_changes":[],"relations":[],"section":"函数","section_path":["函数"],"source_commits":["1871c89"],"source_entry_id":"9.5.0/changes/091","source_hash":"1c1960383d0c61ade3247a50d3c4e728037d129596badc9fe50966e4a3223a47","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9","statement_hash":"b5618167bcc4214f9bb4a92a5d060abe8dea341fa687954f10e7038ed932fdf1","text":"为 numeric 值添加 generate_series()（Plato Malugin）","title":"为 numeric 值添加 generate_series()","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["bac2739"],"commit_groups":[["bac2739"]],"commits":[],"cves":[],"db_id":"46f51a97878bd359dcfd8eb0e644c7d2","html":"\u003cp\u003e允许 \u003ca href=\"/docs/9.5/functions-aggregate.html#FUNCTIONS-AGGREGATE-TABLE\" title=\"表 9.49. 通用聚合函数\"\u003e\u003ccode\u003earray_agg()\u003c/code\u003e\u003c/a\u003e 和 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href=\"/docs/9.5/functions-geometry.html#FUNCTIONS-GEOMETRY-OP-TABLE\" title=\"表 9.31. 几何操作符\"\u003e\u0026lt;-\u0026gt;\u003c/a\u003e（Alexander Korotkov）\u003c/p\u003e","id":"9.5.0-cb3a1ec9d137f2f7","identity_text":"Add a point-to-polygon distance operator \u003c-\u003e (Alexander Korotkov)","part":"changes","patch_ids":["720c71dc1e738df15b8132e0fee965b1"],"related_changes":[],"relations":[],"section":"函数","section_path":["函数"],"source_commits":["4520ba6"],"source_entry_id":"9.5.0/changes/094","source_hash":"624e00faa46ea38244547a974e743021ff55df677f631669057138a530a226cd","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9","statement_hash":"9cec4266f8b26a3593c6742382e332ef1af676b5f0a81481deeae32ff53725c8","text":"添加 point 到 polygon 的距离操作符 \u003c-\u003e（Alexander Korotkov）","title":"添加 point 到 polygon 的距离操作符 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href=\"/docs/9.5/functions-admin.html#FUNCTIONS-ADMIN-GENFILE-TABLE\" title=\"表 9.76. 通用文件访问函数\"\u003e\u003ccode\u003epg_read_file()\u003c/code\u003e\u003c/a\u003e 及相关函数添加可选的 \u003cem\u003e\u003ccode\u003emissing_ok\u003c/code\u003e\u003c/em\u003e 参数（Michael Paquier、Heikki Linnakangas）\u003c/p\u003e","id":"9.5.0-06d011091c59e7ae","identity_text":"Add an optional missing_ok argument to pg_read_file() and related functions (Michael Paquier, Heikki Linnakangas)","part":"changes","patch_ids":["4c7abec6d473edf1450e0117fe53cfae"],"related_changes":[],"relations":[],"section":"函数","section_path":["函数"],"source_commits":["cb2acb1"],"source_entry_id":"9.5.0/changes/097","source_hash":"975184f4f88d4fecccc182624e3978e102ff31648e25291802e5e7de630b6c95","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9","statement_hash":"cf96eb1247779a194509382111774f3800daf8fb75295def4169e1789980a794","text":"为 pg_read_file() 及相关函数添加可选的 missing_ok 参数（Michael Paquier、Heikki Linnakangas）","title":"为 pg_read_file() 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的舍入（Pedro Gimeno Fortea）\u003c/p\u003e","id":"9.5.0-7e22f87a5c9312fa","identity_text":"Add POSIX-compliant rounding for platforms that use PostgreSQL-supplied rounding functions (Pedro Gimeno Fortea)","part":"changes","patch_ids":["48857ab2c928904fd3cbddbf12c01c9c"],"related_changes":[],"relations":[],"section":"函数","section_path":["函数"],"source_commits":["06bf0dd"],"source_entry_id":"9.5.0/changes/099","source_hash":"25e8205535c8e0723fffc4dd75e3e4aa713f8dd3249939bc5bd705f37bd74f82","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9","statement_hash":"97cc0925a939051926bcb9f362665d1368e90fb656d8aa2f940fc58736ac9a0c","text":"为使用 PostgreSQL 提供的舍入函数的平台添加符合 POSIX 的舍入（Pedro Gimeno Fortea）","title":"为使用 PostgreSQL 提供的舍入函数的平台添加符合 POSIX 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href=\"/docs/9.5/monitoring-stats.html#PG-STAT-ACTIVITY-VIEW\" title=\"表 27.3. pg_stat_activity 视图\"\u003e\u003ccode\u003epg_stat_activity\u003c/code\u003e\u003c/a\u003e 中查看查询、执行 \u003ca href=\"/docs/9.5/functions-admin.html#FUNCTIONS-ADMIN-SIGNAL-TABLE\" title=\"表 9.67. 服务器信号函数\"\u003e\u003ccode\u003epg_cancel_backend()\u003c/code\u003e\u003c/a\u003e 和执行 \u003ca href=\"/docs/9.5/functions-admin.html#FUNCTIONS-ADMIN-SIGNAL-TABLE\" title=\"表 9.67. 服务器信号函数\"\u003e\u003ccode\u003epg_terminate_backend()\u003c/code\u003e\u003c/a\u003e 的安全检查（Stephen Frost）\u003c/p\u003e\n\u003cp\u003e以前，只有拥有目标会话的那个特定角色才能执行这些操作；现在，是该角色的成员即可。\u003c/p\u003e","id":"9.5.0-ba511c93656f1810","identity_text":"Loosen security checks for viewing queries in pg_stat_activity, executing pg_cancel_backend(), and executing pg_terminate_backend() (Stephen Frost) Previously, only the specific role owning the target session could perform these operations; now membership in that role is sufficient.","part":"changes","patch_ids":["91138b084a4cf530cafa922c1ea4a737"],"related_changes":[],"relations":[],"section":"函数 / 系统信息函数和视图","section_path":["函数","系统信息函数和视图"],"source_commits":["bf03889"],"source_entry_id":"9.5.0/changes/101","source_hash":"8a2cbce6b19ad96f10f130ea8bcb739f0332847bd540e17a8cddc6da389061cf","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9.3","statement_hash":"eec5017ef948b9344aeb897058ba990e7368dea781cff2975d68a1666f5dd723","text":"放宽在 pg_stat_activity 中查看查询、执行 pg_cancel_backend() 和执行 pg_terminate_backend() 的安全检查（Stephen Frost） 以前，只有拥有目标会话的那个特定角色才能执行这些操作；现在，是该角色的成员即可。","title":"放宽在 pg_stat_activity 中查看查询、执行 pg_cancel_backend() 和执行 pg_terminate_backend() 的安全检查","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["2fb7a75"],"commit_groups":[["2fb7a75"]],"commits":[],"cves":[],"db_id":"2237fe392a0ee774a96bf86d74c35a46","html":"\u003cp\u003e添加 \u003ca href=\"/docs/9.5/monitoring-stats.html#MONITORING-STATS-FUNCS-TABLE\" title=\"表 27.16. 附加统计函数\"\u003e\u003ccode\u003epg_stat_get_snapshot_timestamp()\u003c/code\u003e\u003c/a\u003e，用于输出统计快照的时间戳（Matt Kelly）\u003c/p\u003e\n\u003cp\u003e它表示快照文件最后一次写入文件系统的时间。\u003c/p\u003e","id":"9.5.0-1d06cf81dddcedd8","identity_text":"Add pg_stat_get_snapshot_timestamp() to output the time stamp of the statistics snapshot (Matt Kelly) This represents the last time the snapshot file was written to the file system.","part":"changes","patch_ids":["df4ae36deec70d8d69731e4b6db18b3f"],"related_changes":[],"relations":[],"section":"函数 / 系统信息函数和视图","section_path":["函数","系统信息函数和视图"],"source_commits":["2fb7a75"],"source_entry_id":"9.5.0/changes/102","source_hash":"e7826f0ed41afa0ffa097d410ce20d9185e46bb73717933f132b60d1c9482fbd","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9.3","statement_hash":"2ecc4af871a74582262402797262922ec5246b6dc300f03a883c7fc39b622e25","text":"添加 pg_stat_get_snapshot_timestamp()，用于输出统计快照的时间戳（Matt Kelly） 它表示快照文件最后一次写入文件系统的时间。","title":"添加 pg_stat_get_snapshot_timestamp()，用于输出统计快照的时间戳","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["36ad1a8"],"commit_groups":[["36ad1a8"]],"commits":[],"cves":[],"db_id":"f7111f3a7e59d223ae931ed043ce51ca","html":"\u003cp\u003e添加 \u003ca href=\"/docs/9.5/maintenance.html#VACUUM-FOR-MULTIXACT-WRAPAROUND\" title=\"23.1.5.1. 多事务与回卷\"\u003e\u003ccode\u003emxid_age()\u003c/code\u003e\u003c/a\u003e，用于计算多事务 ID 的年龄（Bruce Momjian）\u003c/p\u003e","id":"9.5.0-d2b456f7305d04b3","identity_text":"Add mxid_age() to compute multi-xid age (Bruce Momjian)","part":"changes","patch_ids":["3769c7bb1c1658ee6600007e82a4da65"],"related_changes":[],"relations":[],"section":"函数 / 系统信息函数和视图","section_path":["函数","系统信息函数和视图"],"source_commits":["36ad1a8"],"source_entry_id":"9.5.0/changes/103","source_hash":"44891fc7597e5a383de39e0f2043118edbbf6bad71425ef461e699009758ba5d","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9.3","statement_hash":"d6465402842e99a117c2c44d0d692d6a1e9920a4779206d88bbb606259f5e1d7","text":"添加 mxid_age()，用于计算多事务 ID 的年龄（Bruce Momjian）","title":"添加 mxid_age()，用于计算多事务 ID 的年龄","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["6c40f83"],"commit_groups":[["6c40f83"]],"commits":[],"cves":[],"db_id":"098abd54e475dcc4a86a4800996ef617","html":"\u003cp\u003e为 \u003ca href=\"/docs/9.5/datatype-net-types.html#DATATYPE-INET\" title=\"8.9.1. inet\"\u003e\u003ccode\u003einet\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/datatype-net-types.html#DATATYPE-CIDR\" title=\"8.9.2. cidr\"\u003e\u003ccode\u003ecidr\u003c/code\u003e\u003c/a\u003e 数据类型添加 \u003ccode\u003emin()\u003c/code\u003e/\u003ccode\u003emax()\u003c/code\u003e 聚合（Haribabu Kommi）\u003c/p\u003e","id":"9.5.0-93c20688aa6c2ca4","identity_text":"Add min()/max() aggregates for inet/cidr data types (Haribabu Kommi)","part":"changes","patch_ids":["c567a4061e7bdf74215e44189e563d3f"],"related_changes":[],"relations":[],"section":"函数 / 聚合","section_path":["函数","聚合"],"source_commits":["6c40f83"],"source_entry_id":"9.5.0/changes/104","source_hash":"44ea672f5556b8ee0b00f829acd9d1564bd53618fab7b502bb65083f238d5555","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9.4","statement_hash":"08ebe892b15de290bb71cb7db2c68d3e231439965cc2aec16688b7cf1245c687","text":"为 inet/cidr 数据类型添加 min()/max() 聚合（Haribabu Kommi）","title":"为 inet/cidr 数据类型添加 min()/max() 聚合","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["8122e14","959277a"],"commit_groups":[["8122e14"],["959277a"]],"commits":[],"cves":[],"db_id":"824ff2982e52fed918bc92b4d92c12e7","html":"\u003cp\u003e在支持的平台上，使用 128 位整数作为某些聚合函数的累加器（Andreas Karlsson）\u003c/p\u003e","id":"9.5.0-af0a02a8b47fac27","identity_text":"Use 128-bit integers, where supported, as accumulators for some aggregate functions (Andreas Karlsson)","part":"changes","patch_ids":["3b1e99ddd67e01f7f54f9617a805a823","729f36f3d2856a4284579c267491d18a"],"related_changes":[],"relations":[],"section":"函数 / 聚合","section_path":["函数","聚合"],"source_commits":["8122e14","959277a"],"source_entry_id":"9.5.0/changes/105","source_hash":"707b096778f4675716abb4fd3577b9618e958e78ebf3cccbe99c06f9f11a30ce","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.9.4","statement_hash":"cdac3d502ce0678e472c5bcf743a95dd54ea5478beadd18351dbc6534b85d629","text":"在支持的平台上，使用 128 位整数作为某些聚合函数的累加器（Andreas Karlsson）","title":"在支持的平台上，使用 128 位整数作为某些聚合函数的累加器","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["8b6010b"],"commit_groups":[["8b6010b"]],"commits":[],"cves":[],"db_id":"a72381c9135349e2330463dcf08f6b4d","html":"\u003cp\u003e改进\u003ca href=\"/docs/9.5/plpython.html\" title=\"第 43 章 PL/Python - Python 过程语言\"\u003e\u003cspan\u003ePL/Python\u003c/span\u003e\u003c/a\u003e对组合类型的支持（Ed Behn、Ronan Dunklau）\u003c/p\u003e\n\u003cp\u003e这允许 \u003cspan\u003ePL/Python\u003c/span\u003e 函数返回组合类型的数组。\u003c/p\u003e","id":"9.5.0-afe1901a74931826","identity_text":"Improve support for composite types in PL/Python (Ed Behn, Ronan Dunklau) This allows PL/Python functions to return arrays of composite types.","part":"changes","patch_ids":["df4badd790f2191bbcdf33c8fcfb4d80"],"related_changes":[],"relations":[],"section":"服务器端语言","section_path":["服务器端语言"],"source_commits":["8b6010b"],"source_entry_id":"9.5.0/changes/106","source_hash":"15661ca372b4cc4a0bbefe876302ce083b4336323fbcbd4d1468d8e6776300d8","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.10","statement_hash":"e9da78ce50172af36d52751669e3031e09ebe01f63232012893622f126556592","text":"改进PL/Python对组合类型的支持（Ed Behn、Ronan Dunklau） 这允许 PL/Python 函数返回组合类型的数组。","title":"改进PL/Python对组合类型的支持","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["1ce7a57"],"commit_groups":[["1ce7a57"]],"commits":[],"cves":[],"db_id":"724c3d755ab5d83229da82d27302f1b3","html":"\u003cp\u003e降低\u003ca href=\"/docs/9.5/plpython.html\" title=\"第 43 章 PL/Python - Python 过程语言\"\u003e\u003cspan\u003ePL/Python\u003c/span\u003e\u003c/a\u003e浮点值转换的精度损失（Marko Kreen）\u003c/p\u003e","id":"9.5.0-174d069281e9e9b8","identity_text":"Reduce lossiness of PL/Python floating-point value conversions (Marko Kreen)","part":"changes","patch_ids":["27d291d0326a750839f26b7a1ab46048"],"related_changes":[],"relations":[],"section":"服务器端语言","section_path":["服务器端语言"],"source_commits":["1ce7a57"],"source_entry_id":"9.5.0/changes/107","source_hash":"4e9b72f88bf0834fabbf649f44ed857c8a69e2eccc9d7f37a60b5f58f0ea1c5a","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.10","statement_hash":"374739fbd69db0102df646e1bd391c898ca9d74a016600d387c4475774d27dba","text":"降低PL/Python浮点值转换的精度损失（Marko Kreen）","title":"降低PL/Python浮点值转换的精度损失","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["cac7658"],"commit_groups":[["cac7658"]],"commits":[],"cves":[],"db_id":"56f997d89940a2e18ccaf35b9fdd5d79","html":"\u003cp\u003e允许指定 \u003cacronym\u003eSQL\u003c/acronym\u003e 数据类型与过程语言数据类型之间的转换例程（Peter Eisentraut）\u003c/p\u003e\n\u003cp\u003e此变更添加了新命令 \u003ca href=\"/docs/9.5/sql-createtransform.html\" title=\"CREATE TRANSFORM\"\u003e\u003ccode\u003eCREATE\u003c/code\u003e\u003c/a\u003e/\u003ca href=\"/docs/9.5/sql-droptransform.html\" title=\"DROP TRANSFORM\"\u003e\u003ccode\u003eDROP TRANSFORM\u003c/code\u003e\u003c/a\u003e。它还添加了\u003ca href=\"/docs/9.5/hstore.html\" title=\"F.15. hstore\"\u003e\u003cspan\u003ehstore\u003c/span\u003e\u003c/a\u003e和\u003ca href=\"/docs/9.5/ltree.html\" title=\"F.20. ltree\"\u003e\u003cspan\u003eltree\u003c/span\u003e\u003c/a\u003e类型与\u003ca href=\"/docs/9.5/plperl.html\" title=\"第 42 章 PL/Perl - Perl 过程语言\"\u003e\u003cspan\u003ePL/Perl\u003c/span\u003e\u003c/a\u003e和\u003ca href=\"/docs/9.5/plpython.html\" title=\"第 43 章 PL/Python - Python 过程语言\"\u003e\u003cspan\u003ePL/Python\u003c/span\u003e\u003c/a\u003e之间的可选转换。\u003c/p\u003e","id":"9.5.0-971baa2998f05a5d","identity_text":"Allow specification of conversion routines between SQL data types and data types of procedural languages (Peter Eisentraut) This change adds new commands CREATE/DROP TRANSFORM. This also adds optional transformations between the hstore and ltree types to/from PL/Perl and PL/Python.","part":"changes","patch_ids":["ca6258a819ac7bb93d96698c180bc9b1"],"related_changes":[],"relations":[],"section":"服务器端语言","section_path":["服务器端语言"],"source_commits":["cac7658"],"source_entry_id":"9.5.0/changes/108","source_hash":"da5b2788396dc1f7365d02fe6ca6cbde1c4df5556b45657ba20af43e7a5f5318","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.10","statement_hash":"72c24d3712a8bfc7c9590e1513d7fafd24b4008a4038279f31eff1aeda44f7db","text":"允许指定 SQL 数据类型与过程语言数据类型之间的转换例程（Peter Eisentraut） 此变更添加了新命令 CREATE/DROP TRANSFORM。它还添加了hstore和ltree类型与PL/Perl和PL/Python之间的可选转换。","title":"允许指定 SQL 数据类型与过程语言数据类型之间的转换例程","variants":[],"version":"9.5.0"},{"also_in":[],"category":"performance","category_label":"Performance","commit_aliases":["1dc5ebc","56a79a8","9e3ad1a","e983c4d"],"commit_groups":[["1dc5ebc"],["56a79a8"],["9e3ad1a"],["e983c4d"]],"commits":[],"cves":[],"db_id":"2a4086025d35c201416bddbc41e33184","html":"\u003cp\u003e改进\u003ca href=\"/docs/9.5/plpgsql.html\" title=\"第 40 章 PL/pgSQL — SQL 过程语言\"\u003e\u003cspan\u003ePL/pgSQL\u003c/span\u003e\u003c/a\u003e的数组性能（Tom Lane）\u003c/p\u003e","id":"9.5.0-8f203a8b69cd6d91","identity_text":"Improve PL/pgSQL array performance (Tom Lane)","part":"changes","patch_ids":["0c899841948d22ea55115921f615a0f4","78c5321bc194dc05453b7879b2987d3f","b57b1cbcee3b626709146b4857e397fa","fe4c37d33343439b831c5aec5b6167f0"],"related_changes":[],"relations":[],"section":"服务器端语言 / PL/pgSQL Server-Side Language","section_path":["服务器端语言","PL/pgSQL Server-Side 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Stehule)","part":"changes","patch_ids":["809be6b647b935fe5c19b010e3a1e3fc"],"related_changes":[],"relations":[],"section":"服务器端语言 / PL/pgSQL Server-Side Language","section_path":["服务器端语言","PL/pgSQL Server-Side Language"],"source_commits":["a4847fc"],"source_entry_id":"9.5.0/changes/110","source_hash":"b6e585728952a7b13dcd3c83c2dc0c0c91099c95b10700f7c6d8246fec1482b4","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.10.3","statement_hash":"69b8d93c805db5fd8f596089ab5798d236ac9f39876c56ed8c8e1ce853ba34bc","text":"在 PL/pgSQL 中添加 ASSERT 语句（Pavel Stehule）","title":"在 PL/pgSQL 中添加 ASSERT 语句","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["bb1b8f6"],"commit_groups":[["bb1b8f6"]],"commits":[],"cves":[],"db_id":"94dc1a7510afb84630780526cc268c33","html":"\u003cp\u003e允许更多\u003ca href=\"/docs/9.5/plpgsql.html\" title=\"第 40 章 PL/pgSQL — SQL 过程语言\"\u003e\u003cspan\u003ePL/pgSQL\u003c/span\u003e\u003c/a\u003e关键字用作标识符（Tom Lane）\u003c/p\u003e","id":"9.5.0-396526097f249f01","identity_text":"Allow more PL/pgSQL keywords to be used as identifiers (Tom Lane)","part":"changes","patch_ids":["d70f6f09d3884f26f2f5d4f45ec6f044"],"related_changes":[],"relations":[],"section":"服务器端语言 / PL/pgSQL Server-Side Language","section_path":["服务器端语言","PL/pgSQL Server-Side Language"],"source_commits":["bb1b8f6"],"source_entry_id":"9.5.0/changes/111","source_hash":"da651777bde9c4dd31e230cdf5f188b02fc9502deacd1ceed90985e0556ad694","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.10.3","statement_hash":"f111b7a90304244ca536c50f2ea96e2bb610927b2eb7c91ef723e42b0f5d3650","text":"允许更多PL/pgSQL关键字用作标识符（Tom Lane）","title":"允许更多PL/pgSQL关键字用作标识符","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["00882d9","528c2e4","83aca89","b0a738f"],"commit_groups":[["00882d9"],["528c2e4"],["83aca89"],["b0a738f"]],"commits":[],"cves":[],"db_id":"a72f1f1c0d935c6f18d34effd77f4d1d","html":"\u003cp\u003e把\u003ca href=\"/docs/9.5/pgarchivecleanup.html\" title=\"pg_archivecleanup\"\u003e\u003cspan\u003epg_archivecleanup\u003c/span\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/pgtestfsync.html\" title=\"pg_test_fsync\"\u003e\u003cspan\u003epg_test_fsync\u003c/span\u003e\u003c/a\u003e、\u003ca href=\"/docs/9.5/pgtesttiming.html\" title=\"pg_test_timing\"\u003e\u003cspan\u003epg_test_timing\u003c/span\u003e\u003c/a\u003e和\u003ca href=\"/docs/9.5/pgxlogdump.html\" title=\"pg_xlogdump\"\u003e\u003cspan\u003epg_xlogdump\u003c/span\u003e\u003c/a\u003e从 \u003ccode\u003econtrib\u003c/code\u003e 移到 \u003ccode\u003esrc/bin\u003c/code\u003e（Peter Eisentraut）\u003c/p\u003e\n\u003cp\u003e这应使这些程序在大多数安装中默认被安装。\u003c/p\u003e","id":"9.5.0-b9757ea22686d981","identity_text":"Move pg_archivecleanup, pg_test_fsync, pg_test_timing, and pg_xlogdump from contrib to src/bin (Peter Eisentraut) This should result in these programs being installed by default in most installations.","part":"changes","patch_ids":["314d4cd13dd985c09a55afe3a6c7ef97","4bf9cdd7787053a0760c8b9741bcdd0d","c9af4c351a3775fb289bc48ad4bf9a70","d764169e3d85a71fea41a78dfb1507b3"],"related_changes":[],"relations":[],"section":"客户端应用程序","section_path":["客户端应用程序"],"source_commits":["00882d9","528c2e4","83aca89","b0a738f"],"source_entry_id":"9.5.0/changes/112","source_hash":"dac84b8f7539476942c83264910e4170f37f233d34a7847e0bbd50c557318b07","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.11","statement_hash":"1d4c6246a53779e55be75ff0abe8afe25267b11dda9f0d570c1f037adb6af290","text":"把pg_archivecleanup、pg_test_fsync、pg_test_timing和pg_xlogdump从 contrib 移到 src/bin（Peter Eisentraut） 这应使这些程序在大多数安装中默认被安装。","title":"把pg_archivecleanup、pg_test_fsync、pg_test_timing和pg_xlogdump从 contrib 移到 src/bin","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["61081e7"],"commit_groups":[["61081e7"]],"commits":[],"cves":[],"db_id":"dae12f156a5faf674445ca24d959613c","html":"\u003cp\u003e添加\u003ca href=\"/docs/9.5/app-pgrewind.html\" title=\"pg_rewind\"\u003e\u003cspan\u003epg_rewind\u003c/span\u003e\u003c/a\u003e，它允许在故障回切后重新同步主服务器（Heikki Linnakangas）\u003c/p\u003e","id":"9.5.0-272b7d921010af8f","identity_text":"Add pg_rewind, which allows re-synchronizing a master server after failback (Heikki 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二进制文件添加版本信息","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["311da16"],"commit_groups":[["311da16"]],"commits":[],"cves":[],"db_id":"91a2843dabeed128b973d863fef1e7f1","html":"\u003cp\u003e为内部的 \u003ccode\u003egetopt_long()\u003c/code\u003e 实现添加可选参数支持（Michael Paquier、Andres Freund）\u003c/p\u003e\n\u003cp\u003e这被 \u003cspan\u003eMSVC\u003c/span\u003e 构建使用。\u003c/p\u003e","id":"9.5.0-df47e95e545f670f","identity_text":"Add optional-argument support to the internal getopt_long() implementation (Michael Paquier, Andres Freund) This is used by the MSVC build.","part":"changes","patch_ids":["b9d4735a164099fce07d25ec4a5bb0d1"],"related_changes":[],"relations":[],"section":"源代码 / MS Windows","section_path":["源代码","MS 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mean, and standard deviation times to pg_stat_statements (Mitsumasa Kondo, Andrew Dunstan)","part":"changes","patch_ids":["d2ad792a1f10626a3bb52c17e95b8509"],"related_changes":[],"relations":[],"section":"附加模块","section_path":["附加模块"],"source_commits":["717f709"],"source_entry_id":"9.5.0/changes/173","source_hash":"c03ac8d98e702b5d25af2f34b4961627b4764d8cfdf45e2d4718cf765fa28958","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.13","statement_hash":"06600e7886b09eabb4539021392b5e805e4c1a22a0a4c25d217e3dcabde40006","text":"为pg_stat_statements添加最小、最大、平均和标准差时间统计（Mitsumasa Kondo、Andrew Dunstan）","title":"为pg_stat_statements添加最小、最大、平均和标准差时间统计","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["32984d8"],"commit_groups":[["32984d8"]],"commits":[],"cves":[],"db_id":"560a8a295f0addadf5ba507dd902bb11","html":"\u003cp\u003e添加\u003ca href=\"/docs/9.5/pgcrypto.html\" title=\"F.24. pgcrypto\"\u003e\u003cspan\u003epgcrypto\u003c/span\u003e\u003c/a\u003e函数 \u003ccode\u003epgp_armor_headers()\u003c/code\u003e，用于提取 \u003cspan\u003ePGP\u003c/span\u003e armor 头（Marko Tiikkaja、Heikki Linnakangas）\u003c/p\u003e","id":"9.5.0-c56666e9ff7aa955","identity_text":"Add pgcrypto function pgp_armor_headers() to extract PGP armor headers (Marko Tiikkaja, Heikki Linnakangas)","part":"changes","patch_ids":["5ea4fa98fc16c0ca740798a5fce270e3"],"related_changes":[],"relations":[],"section":"附加模块","section_path":["附加模块"],"source_commits":["32984d8"],"source_entry_id":"9.5.0/changes/174","source_hash":"69c9cf49006899f2183e9345e8c11454db96a05d30e05b54b03a4761b2a7d742","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.13","statement_hash":"e85df60f310ca67b8edac6eaf2df1df2dc81ae6c5947d7c6563a6e8f7b5d5eb7","text":"添加pgcrypto函数 pgp_armor_headers()，用于提取 PGP armor 头（Marko Tiikkaja、Heikki Linnakangas）","title":"添加pgcrypto函数 pgp_armor_headers()，用于提取 PGP armor 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Freund）\u003c/p\u003e","id":"9.5.0-6cf92a06522e3ee1","identity_text":"Add information about buffer pins to pg_buffercache display (Andres Freund)","part":"changes","patch_ids":["26ec244f11ed5dad821884ed529ec0c0"],"related_changes":[],"relations":[],"section":"附加模块","section_path":["附加模块"],"source_commits":["f577919"],"source_entry_id":"9.5.0/changes/179","source_hash":"fcd0543ce70d22fafb3d21a6e5fa642cfbcf94e4bc4059a5c2a34a1b2a4d5b92","source_url":"/docs/release/9.5.0/#id-1.11.6.30.5.13","statement_hash":"60691d4228ef5ea8c019df40e936e2985339a504c75f748bec254d4c73cc0f7c","text":"在pg_buffercache显示中添加有关缓冲区引脚的信息（Andres Freund）","title":"在pg_buffercache显示中添加有关缓冲区引脚的信息","variants":[],"version":"9.5.0"},{"also_in":[],"category":"feature","category_label":"Features","commit_aliases":["5850b20"],"commit_groups":[["5850b20"]],"commits":[],"cves":[],"db_id":"46ba7d0387c99abfdb9f7915608f5b03","html":"\u003cp\u003e允许\u003ca href=\"/docs/9.5/pgstattuple.html\" title=\"F.29. pgstattuple — 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href=\"/docs/9.5/app-pg-dumpall.html\" title=\"pg_dumpall\"\u003e\u003cspan\u003e\u003cspan\u003epg_dumpall\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e进行转储/恢复，或使用\u003ca href=\"/docs/9.5/pgupgrade.html\" title=\"pg_upgrade\"\u003e\u003cspan\u003e\u003cspan\u003epg_upgrade\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e。\u003c/p\u003e\n\u003cp\u003e版本 9.5 包含许多可能影响与以前版本兼容性的变更。请注意以下不兼容之处：\u003c/p\u003e\n\u003cdiv\u003e\n\u003c/div\u003e","minor":0,"placeholder":false,"source_as_of":"","source_url":"/docs/release/9.5.0/","status":"stable","status_label":"Historical","support_days":-2069,"supported":false,"version":"9.5.0"}],"mode":"release","release_count":1,"remaining_cves":[],"security_as_of":"2026-09-26","security_regressions":[],"source_as_of":"2026-09-26","stats":[{"count":193,"key":"all","label":"All changes"},{"count":163,"key":"feature","label":"Features"},{"count":1,"key":"bugfix","label":"Bug fixes"},{"count":0,"key":"security","label":"Security"},{"count":17,"key":"performance","label":"Performance"},{"count":12,"key":"compatibility","label":"Compatibility"},{"count":0,"key":"improvement","label":"Improvements"}],"to_release":{"age_days":3931,"build":"9.5.0","changes_count":181,"compatibility_count":12,"content_hash":"140e8a86cdc616ecc079ca2a95b30b1d63f210a5ac2104a049f7e95cbcba337e","date":"2016-01-07","date_text":"2016-01-07","doc_git":"","doc_loaded_at":"2026-09-26T02:56:44.718140","entry_count":193,"eol":"2021-02-11","eol_date":"2021-02-11","label":"9.5","major":"9.5","manual":"9.5","manual_build":"9.5.25","manual_url":"/docs/9.5/release-9-5.html","migration_html":"\u003cp\u003e希望从任何之前的版本迁移数据的用户，需要使用\u003ca href=\"/docs/9.5/app-pg-dumpall.html\" title=\"pg_dumpall\"\u003e\u003cspan\u003e\u003cspan\u003epg_dumpall\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e进行转储/恢复，或使用\u003ca href=\"/docs/9.5/pgupgrade.html\" title=\"pg_upgrade\"\u003e\u003cspan\u003e\u003cspan\u003epg_upgrade\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e。\u003c/p\u003e\n\u003cp\u003e版本 9.5 包含许多可能影响与以前版本兼容性的变更。请注意以下不兼容之处：\u003c/p\u003e\n\u003cdiv\u003e\n\u003c/div\u003e","minor":0,"placeholder":false,"source_as_of":"","source_url":"/docs/release/9.5.0/","status":"stable","status_label":"Historical","support_days":-2069,"supported":false,"version":"9.5.0"},"total":193,"warnings":[]}