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(WAL) support","BodyHTML":"\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e can now track WAL usage information along with \u003ca href=\"https://www.postgresql.org/docs/13/auto-explain.html\" rel=\"nofollow\"\u003eauto_explain\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM\" rel=\"nofollow\"\u003eautovacuum\u003c/a\u003e, and \u003ca href=\"https://www.postgresql.org/docs/13/pgstatstatements.html\" rel=\"nofollow\"\u003epg_stat_statements\u003c/a\u003e.\u003c/p\u003e\n\u003cp\u003eFor more information, please see the documentation on \u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e.\u003c/p\u003e\n","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","ContentHash":"676b2be6675733fb95dc943fa5f73e1861677b9361d4e8c9a139eb5f3a6b325b","Payload":{"description":"[EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) can now track WAL usage information along with [auto_explain](https://www.postgresql.org/docs/13/auto-explain.html), [autovacuum](https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM), and [pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html).\r\n\r\nFor more information, please see the documentation on [EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html).","name":"EXPLAIN (WAL) support","versions":{"13":"Yes"}}},{"Locale":"zh-Hans","Title":"EXPLAIN (WAL) 支持","BodyHTML":"\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e 现在可以跟踪 WAL 使用信息，同时支持 \u003ca href=\"https://www.postgresql.org/docs/13/auto-explain.html\" rel=\"nofollow\"\u003eauto_explain\u003c/a\u003e、\u003ca href=\"https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM\" rel=\"nofollow\"\u003eautovacuum\u003c/a\u003e 和 \u003ca href=\"https://www.postgresql.org/docs/13/pgstatstatements.html\" rel=\"nofollow\"\u003epg_stat_statements\u003c/a\u003e。\u003c/p\u003e\n\u003cp\u003e更多信息请参阅 \u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e 文档。\u003c/p\u003e\n","SourceHash":"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50","ContentHash":"f653208cd466685fe5f1680cc15e91bd75bc156d5112e26b1f1f088aeeeb32fe","Payload":{"description":"[EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) 现在可以跟踪 WAL 使用信息，同时支持 [auto_explain](https://www.postgresql.org/docs/13/auto-explain.html)、[autovacuum](https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM) 和 [pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html)。\n\n更多信息请参阅 [EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) 文档。","name":"EXPLAIN (WAL) 支持"}}],"GroupTitles":{"en":"Backend","zh-Hans":"后端"},"LegacyIDs":["348"]},"Title":"EXPLAIN (WAL) support","TitleLocale":"en","Group":"Backend","GroupLocale":"en","URL":"/wiki/versions/capabilities/explain-wal-support/?v=18","BodyLocale":"en","MissingMessage":"","FallbackMessage":"","Body":{"Text":"","URL":"","Class":"","HTML":"\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e can now track WAL usage information along with \u003ca href=\"https://www.postgresql.org/docs/13/auto-explain.html\" rel=\"nofollow\"\u003eauto_explain\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM\" rel=\"nofollow\"\u003eautovacuum\u003c/a\u003e, and \u003ca href=\"https://www.postgresql.org/docs/13/pgstatstatements.html\" rel=\"nofollow\"\u003epg_stat_statements\u003c/a\u003e.\u003c/p\u003e\n\u003cp\u003eFor more information, please see the documentation on \u003ca href=\"https://www.postgresql.org/docs/13/sql-explain.html\" rel=\"nofollow\"\u003eEXPLAIN\u003c/a\u003e.\u003c/p\u003e\n","Present":false},"Selected":{"Version":"18","State":"yes","EvidenceKind":"yaml-transition","TransitionVersion":"13","Supported":true,"Original":"Yes"},"Observed":true,"Cells":[{"Text":"Unknown","URL":"/wiki/versions/capabilities/explain-wal-support/?v=20","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/explain-wal-support/?v=19","Class":"fm_unk","HTML":"","Present":false},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=18","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=17","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=16","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=15","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=14","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/explain-wal-support/?v=13","Class":"fm_yes","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=12","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=11","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=10","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.6","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.5","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.1","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=9.0","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=8.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=8.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=8.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/explain-wal-support/?v=8.1","Class":"fm_no","HTML":"","Present":true},{"Text":"Unknown","URL":"/wiki/versions/capabilities/explain-wal-support/?v=8.0","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/explain-wal-support/?v=7.4","Class":"fm_unk","HTML":"","Present":false}],"Sources":null,"JSON":"{\n 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href=\\\"https://www.postgresql.org/docs/13/auto-explain.html\\\" rel=\\\"nofollow\\\"\\u003eauto_explain\\u003c/a\\u003e, \\u003ca href=\\\"https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM\\\" rel=\\\"nofollow\\\"\\u003eautovacuum\\u003c/a\\u003e, and \\u003ca href=\\\"https://www.postgresql.org/docs/13/pgstatstatements.html\\\" rel=\\\"nofollow\\\"\\u003epg_stat_statements\\u003c/a\\u003e.\\u003c/p\\u003e\\n\\u003cp\\u003eFor more information, please see the documentation on \\u003ca href=\\\"https://www.postgresql.org/docs/13/sql-explain.html\\\" rel=\\\"nofollow\\\"\\u003eEXPLAIN\\u003c/a\\u003e.\\u003c/p\\u003e\\n\",\n \"SourceHash\": \"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd\",\n \"ContentHash\": \"676b2be6675733fb95dc943fa5f73e1861677b9361d4e8c9a139eb5f3a6b325b\",\n \"Payload\": {\n \"description\": \"[EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) can now track WAL usage information along with 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href=\\\"https://www.postgresql.org/docs/13/pgstatstatements.html\\\" rel=\\\"nofollow\\\"\\u003epg_stat_statements\\u003c/a\\u003e。\\u003c/p\\u003e\\n\\u003cp\\u003e更多信息请参阅 \\u003ca href=\\\"https://www.postgresql.org/docs/13/sql-explain.html\\\" rel=\\\"nofollow\\\"\\u003eEXPLAIN\\u003c/a\\u003e 文档。\\u003c/p\\u003e\\n\",\n \"SourceHash\": \"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50\",\n \"ContentHash\": \"f653208cd466685fe5f1680cc15e91bd75bc156d5112e26b1f1f088aeeeb32fe\",\n \"Payload\": {\n \"description\": \"[EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) 现在可以跟踪 WAL 使用信息，同时支持 [auto_explain](https://www.postgresql.org/docs/13/auto-explain.html)、[autovacuum](https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM) 和 [pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html)。\\n\\n更多信息请参阅 [EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) 文档。\",\n \"name\": \"EXPLAIN (WAL) 支持\"\n }\n }\n ],\n 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aggregation can use disk","BodyHTML":"\u003cp\u003eThe query planner can now consider using hash aggregation if it expects the aggregate to exceed working memory.\u003c/p\u003e\n\u003cp\u003eThis can be controlled by two configuration parameters:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-HASHAGG\" rel=\"nofollow\"\u003eenable_hashagg\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://www.postgresql.org/docs/13/runtime-config-resource.html#GUC-HASH-MEM-MULTIPLIER\" rel=\"nofollow\"\u003ehash_mem_multiplier\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","ContentHash":"daee27a85c91e13352a611004ab513f7c1ab8f89e46fd6b7686f2315abb67381","Payload":{"description":"The query planner can now consider using hash aggregation if it expects the aggregate to exceed working memory.\r\n\r\nThis can be controlled by two configuration parameters:\r\n\r\n- [enable_hashagg](https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-HASHAGG)\r\n- [hash_mem_multiplier](https://www.postgresql.org/docs/13/runtime-config-resource.html#GUC-HASH-MEM-MULTIPLIER)","name":"Hash aggregation can use disk","versions":{"13":"Yes"}}},{"Locale":"zh-Hans","Title":"基于磁盘的哈希聚合","BodyHTML":"\u003cp\u003e查询规划器现在可以在预计聚合将超过工作内存时考虑使用哈希聚合。\u003c/p\u003e\n\u003cp\u003e这可以通过两个配置参数进行控制：\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-HASHAGG\" rel=\"nofollow\"\u003eenable_hashagg\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://www.postgresql.org/docs/13/runtime-config-resource.html#GUC-HASH-MEM-MULTIPLIER\" rel=\"nofollow\"\u003ehash_mem_multiplier\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n","SourceHash":"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50","ContentHash":"2b062274d4f01772909acc01d25bcc16c2c9670bb7a46117832d9a3f0c1d4ac3","Payload":{"description":"查询规划器现在可以在预计聚合将超过工作内存时考虑使用哈希聚合。\n\n这可以通过两个配置参数进行控制：\n\n- [enable_hashagg](https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-HASHAGG)\n- [hash_mem_multiplier](https://www.postgresql.org/docs/13/runtime-config-resource.html#GUC-HASH-MEM-MULTIPLIER)","name":"基于磁盘的哈希聚合"}}],"GroupTitles":{"en":"Performance","zh-Hans":"性能"},"LegacyIDs":["336"]},"Title":"Hash aggregation can use disk","TitleLocale":"en","Group":"Performance","GroupLocale":"en","URL":"/wiki/versions/capabilities/hash-aggregation-can-use-disk/?v=18","BodyLocale":"en","MissingMessage":"","FallbackMessage":"","Body":{"Text":"","URL":"","Class":"","HTML":"\u003cp\u003eThe query planner can now consider using hash aggregation if it 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This behavior can be forced on a query by using the \u0026#34;NOT MATERIALIZED\u0026#34; clause, e.g.\u003c/p\u003e\n\u003cpre\u003e\u003ccode\u003eWITH cte AS NOT MATERIALIZED (\n SELECT * FROM a\n)\nSELECT * FROM cte\nJOIN b ON b.id = cte.id;\n\u003c/code\u003e\u003c/pre\u003e\n\u003cp\u003eFor more information, please visit \u003ca href=\"https://www.postgresql.org/docs/12/queries-with.html\" rel=\"nofollow\"\u003ehttps://www.postgresql.org/docs/12/queries-with.html\u003c/a\u003e\u003c/p\u003e\n","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","ContentHash":"70fb334a930fc85c35a7ee7ab8c135d7c2bffeb26fd3c1f2e1d4ddd5a863fb30","Payload":{"description":"A WITH query that is neither recursive nor has any side-effects (e.g. an INSERT/UPDATE/DELETE) can be executed inline, which can lead to performance improvements. This behavior can be forced on a query by using the \"NOT MATERIALIZED\" clause, e.g.\r\n\r\n```\r\nWITH cte AS NOT MATERIALIZED (\r\n SELECT * FROM a\r\n)\r\nSELECT * FROM cte\r\nJOIN b ON b.id = cte.id;\r\n```\r\n\r\nFor more information, please visit [https://www.postgresql.org/docs/12/queries-with.html](https://www.postgresql.org/docs/12/queries-with.html)","name":"Inlined WITH Queries (Common Table Expressions)","versions":{"12":"Yes"}}},{"Locale":"zh-Hans","Title":"内联 WITH 查询 (公用表表达式)","BodyHTML":"\u003cp\u003e既非递归也没有任何副作用（例如 INSERT/UPDATE/DELETE）的 WITH 查询可以内联执行，从而带来性能改进。可以通过使用 \u0026#34;NOT MATERIALIZED\u0026#34; 子句强制对查询执行此行为，例如：\u003c/p\u003e\n\u003cpre\u003e\u003ccode\u003eWITH cte AS NOT MATERIALIZED (\n SELECT * FROM a\n)\nSELECT * FROM cte\nJOIN b ON b.id = cte.id;\n\u003c/code\u003e\u003c/pre\u003e\n\u003cp\u003e更多信息请访问 \u003ca href=\"https://www.postgresql.org/docs/12/queries-with.html\" rel=\"nofollow\"\u003ehttps://www.postgresql.org/docs/12/queries-with.html\u003c/a\u003e\u003c/p\u003e\n","SourceHash":"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50","ContentHash":"79b15445a9e0098c663415436419f09c9c2aa59a1307ab0548f1bb152d9e985c","Payload":{"description":"既非递归也没有任何副作用（例如 INSERT/UPDATE/DELETE）的 WITH 查询可以内联执行，从而带来性能改进。可以通过使用 \"NOT MATERIALIZED\" 子句强制对查询执行此行为，例如：\n\n```\nWITH cte AS NOT MATERIALIZED (\n SELECT * FROM a\n)\nSELECT * FROM cte\nJOIN b ON b.id = cte.id;\n```\n\n更多信息请访问 [https://www.postgresql.org/docs/12/queries-with.html](https://www.postgresql.org/docs/12/queries-with.html)","name":"内联 WITH 查询 (公用表表达式)"}}],"GroupTitles":{"en":"Performance","zh-Hans":"性能"},"LegacyIDs":["321"]},"Title":"Inlined WITH Queries (Common Table Expressions)","TitleLocale":"en","Group":"Performance","GroupLocale":"en","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=18","BodyLocale":"en","MissingMessage":"","FallbackMessage":"","Body":{"Text":"","URL":"","Class":"","HTML":"\u003cp\u003eA WITH query that is neither recursive nor has any side-effects (e.g. an INSERT/UPDATE/DELETE) can be executed inline, which can lead to performance improvements. This behavior can be forced on a query by using the \u0026#34;NOT MATERIALIZED\u0026#34; clause, e.g.\u003c/p\u003e\n\u003cpre\u003e\u003ccode\u003eWITH cte AS NOT MATERIALIZED (\n SELECT * FROM a\n)\nSELECT * FROM cte\nJOIN b ON b.id = cte.id;\n\u003c/code\u003e\u003c/pre\u003e\n\u003cp\u003eFor more information, please visit \u003ca href=\"https://www.postgresql.org/docs/12/queries-with.html\" rel=\"nofollow\"\u003ehttps://www.postgresql.org/docs/12/queries-with.html\u003c/a\u003e\u003c/p\u003e\n","Present":false},"Selected":{"Version":"18","State":"yes","EvidenceKind":"yaml-transition","TransitionVersion":"12","Supported":true,"Original":"Yes"},"Observed":true,"Cells":[{"Text":"Unknown","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=20","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=19","Class":"fm_unk","HTML":"","Present":false},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=18","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=17","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=16","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=15","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=14","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=13","Class":"fm_yes","HTML":"","Present":true},{"Text":"Yes","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=12","Class":"fm_yes","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=11","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=10","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.6","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.5","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.1","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=9.0","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=8.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=8.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=8.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=8.1","Class":"fm_no","HTML":"","Present":true},{"Text":"Unknown","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=8.0","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/inlined-with-queries-common-table-expressions/?v=7.4","Class":"fm_unk","HTML":"","Present":false}],"Sources":null,"JSON":"{\n \"Key\": \"inlined-with-queries-common-table-expressions\",\n \"SourceKind\": \"yaml\",\n \"SourceDatabase\": \"center\",\n \"SourceTable\": \"featurematrix.yaml\",\n \"SourceKey\": \"Inlined WITH Queries (Common Table Expressions)\",\n \"SourceHash\": \"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd\",\n \"Name\": \"Inlined WITH Queries (Common Table Expressions)\",\n \"NameLocale\": \"en\",\n \"GroupKey\": \"performance\",\n \"GroupName\": \"Performance\",\n \"GroupLocale\": \"en\",\n \"Ordinal\": 24,\n \"GroupOrder\": 5,\n \"Facts\": {\n \"feature\": {\n \"description\": \"A WITH query that is neither recursive nor has any side-effects (e.g. an INSERT/UPDATE/DELETE) can be executed inline, which can lead to performance improvements. This behavior can be forced on a query by using the \\\"NOT MATERIALIZED\\\" clause, e.g.\\r\\n\\r\\n```\\r\\nWITH cte AS NOT MATERIALIZED (\\r\\n SELECT * FROM a\\r\\n)\\r\\nSELECT * FROM cte\\r\\nJOIN b ON b.id = cte.id;\\r\\n```\\r\\n\\r\\nFor more information, please visit [https://www.postgresql.org/docs/12/queries-with.html](https://www.postgresql.org/docs/12/queries-with.html)\",\n \"name\": \"Inlined WITH Queries (Common Table Expressions)\",\n \"versions\": {\n \"12\": \"Yes\"\n }\n },\n \"group\": \"Performance\",\n \"versions\": {\n \"max\": 18,\n \"min\": 8.1\n }\n },\n \"Cells\": [\n {\n \"Version\": \"10\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"11\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"12\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"13\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"14\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"15\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"16\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"17\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"18\",\n \"State\": \"yes\",\n \"EvidenceKind\": \"yaml-transition\",\n \"TransitionVersion\": \"12\",\n \"Supported\": true,\n \"Original\": \"Yes\"\n },\n {\n \"Version\": \"8.1\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"8.2\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"8.3\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"8.4\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.0\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.1\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.2\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.3\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.4\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.5\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n },\n {\n \"Version\": \"9.6\",\n \"State\": \"no\",\n \"EvidenceKind\": \"yaml-default-no\",\n \"TransitionVersion\": \"\",\n \"Supported\": false,\n \"Original\": \"No\"\n }\n ],\n \"Texts\": [\n {\n \"Locale\": \"en\",\n \"Title\": \"Inlined WITH Queries (Common Table Expressions)\",\n \"BodyHTML\": \"\\u003cp\\u003eA WITH query that is neither recursive nor has any side-effects (e.g. an INSERT/UPDATE/DELETE) can be executed inline, which can lead to performance improvements. This behavior can be forced on a query by using the \\u0026#34;NOT MATERIALIZED\\u0026#34; clause, e.g.\\u003c/p\\u003e\\n\\u003cpre\\u003e\\u003ccode\\u003eWITH cte AS NOT MATERIALIZED (\\n SELECT * FROM a\\n)\\nSELECT * FROM cte\\nJOIN b ON b.id = cte.id;\\n\\u003c/code\\u003e\\u003c/pre\\u003e\\n\\u003cp\\u003eFor more information, please visit \\u003ca href=\\\"https://www.postgresql.org/docs/12/queries-with.html\\\" rel=\\\"nofollow\\\"\\u003ehttps://www.postgresql.org/docs/12/queries-with.html\\u003c/a\\u003e\\u003c/p\\u003e\\n\",\n \"SourceHash\": \"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd\",\n \"ContentHash\": \"70fb334a930fc85c35a7ee7ab8c135d7c2bffeb26fd3c1f2e1d4ddd5a863fb30\",\n \"Payload\": {\n \"description\": \"A WITH query that is neither recursive nor has any side-effects (e.g. an INSERT/UPDATE/DELETE) can be executed inline, which can lead to performance improvements. This behavior can be forced on a query by using the \\\"NOT MATERIALIZED\\\" clause, e.g.\\r\\n\\r\\n```\\r\\nWITH cte AS NOT MATERIALIZED (\\r\\n SELECT * FROM a\\r\\n)\\r\\nSELECT * FROM cte\\r\\nJOIN b ON b.id = cte.id;\\r\\n```\\r\\n\\r\\nFor more information, please visit [https://www.postgresql.org/docs/12/queries-with.html](https://www.postgresql.org/docs/12/queries-with.html)\",\n \"name\": \"Inlined WITH Queries (Common Table Expressions)\",\n \"versions\": {\n \"12\": \"Yes\"\n }\n }\n },\n {\n \"Locale\": \"zh-Hans\",\n \"Title\": \"内联 WITH 查询 (公用表表达式)\",\n \"BodyHTML\": \"\\u003cp\\u003e既非递归也没有任何副作用（例如 INSERT/UPDATE/DELETE）的 WITH 查询可以内联执行，从而带来性能改进。可以通过使用 \\u0026#34;NOT MATERIALIZED\\u0026#34; 子句强制对查询执行此行为，例如：\\u003c/p\\u003e\\n\\u003cpre\\u003e\\u003ccode\\u003eWITH cte AS NOT MATERIALIZED (\\n SELECT * FROM a\\n)\\nSELECT * FROM cte\\nJOIN b ON b.id = cte.id;\\n\\u003c/code\\u003e\\u003c/pre\\u003e\\n\\u003cp\\u003e更多信息请访问 \\u003ca 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authentication with postgres_fdw","BodyHTML":"\u003cp\u003eThe \u003ca href=\"https://www.postgresql.org/docs/13/postgres-fdw.html\" rel=\"nofollow\"\u003epostgres_fdw\u003c/a\u003e can now use the built-in \u003ca href=\"https://www.postgresql.org/docs/current/auth-cert.html\" rel=\"nofollow\"\u003ecertificate authentication\u003c/a\u003e mechanism.\u003c/p\u003e\n\u003cp\u003eFor more information, please visit the \u003ca href=\"https://www.postgresql.org/docs/13/postgres-fdw.html#id-1.11.7.42.10\" rel=\"nofollow\"\u003epostgres_fdw documentation\u003c/a\u003e\u003c/p\u003e\n","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","ContentHash":"264a91ab3dbecd8e066d9443e5170a4bc203d8bd98257fbf4737171ecee1eec8","Payload":{"description":"The [postgres_fdw](https://www.postgresql.org/docs/13/postgres-fdw.html) can now use the built-in [certificate authentication](https://www.postgresql.org/docs/current/auth-cert.html) mechanism.\r\n\r\nFor more information, please visit the [postgres_fdw documentation](https://www.postgresql.org/docs/13/postgres-fdw.html#id-1.11.7.42.10)","name":"Certificate authentication with postgres_fdw","versions":{"13":"Yes"}}},{"Locale":"zh-Hans","Title":"postgres_fdw 的证书身份验证","BodyHTML":"\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/13/postgres-fdw.html\" rel=\"nofollow\"\u003epostgres_fdw\u003c/a\u003e 现在可以使用内置的 \u003ca href=\"https://www.postgresql.org/docs/current/auth-cert.html\" rel=\"nofollow\"\u003e证书身份验证\u003c/a\u003e 机制。\u003c/p\u003e\n\u003cp\u003e更多信息请访问 \u003ca href=\"https://www.postgresql.org/docs/13/postgres-fdw.html#id-1.11.7.42.10\" rel=\"nofollow\"\u003epostgres_fdw 文档\u003c/a\u003e\u003c/p\u003e\n","SourceHash":"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50","ContentHash":"293595a94430deb5e058c9a1848c8d3be60947ef1d8934228cb4329746ed26c9","Payload":{"description":"[postgres_fdw](https://www.postgresql.org/docs/13/postgres-fdw.html) 现在可以使用内置的 [证书身份验证](https://www.postgresql.org/docs/current/auth-cert.html) 机制。\n\n更多信息请访问 [postgres_fdw 文档](https://www.postgresql.org/docs/13/postgres-fdw.html#id-1.11.7.42.10)","name":"postgres_fdw 的证书身份验证"}}],"GroupTitles":{"en":"Foreign Data Wrappers","zh-Hans":"外部数据包装器"},"LegacyIDs":["339"]},"Title":"Certificate authentication with postgres_fdw","TitleLocale":"en","Group":"Foreign Data Wrappers","GroupLocale":"en","URL":"/wiki/versions/capabilities/certificate-authentication-with-postgres_fdw/?v=18","BodyLocale":"en","MissingMessage":"","FallbackMessage":"","Body":{"Text":"","URL":"","Class":"","HTML":"\u003cp\u003eThe \u003ca href=\"https://www.postgresql.org/docs/13/postgres-fdw.html\" rel=\"nofollow\"\u003epostgres_fdw\u003c/a\u003e can now use the built-in \u003ca href=\"https://www.postgresql.org/docs/current/auth-cert.html\" rel=\"nofollow\"\u003ecertificate authentication\u003c/a\u003e mechanism.\u003c/p\u003e\n\u003cp\u003eFor more information, please visit the \u003ca 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pipeline queries","BodyHTML":"\u003cp\u003epsql can issue pipeline queries using the commands \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\startpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\syncpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\sendpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\endpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\flushrequest\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\flush\u003c/code\u003e\u003c/a\u003e, and \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\getresults\u003c/code\u003e\u003c/a\u003e.\u003c/p\u003e\n","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","ContentHash":"f75bab2edd9ee2fe1214a628b276fdd93fcbad0abe73429acf76870ea6d4c4e1","Payload":{"description":"psql can issue pipeline queries using the commands [`\\startpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\syncpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\sendpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\endpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\flushrequest`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\flush`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), and [`\\getresults`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE).","name":"psql pipeline queries","versions":{"18":"Yes"}}},{"Locale":"zh-Hans","Title":"psql 流水线查询","BodyHTML":"\u003cp\u003e\u003ccode\u003epsql\u003c/code\u003e 现在可以通过 \u003ccode\u003e\\startpipeline\u003c/code\u003e、\u003ccode\u003e\\syncpipeline\u003c/code\u003e 和 \u003ccode\u003e\\endpipeline\u003c/code\u003e 等命令发出流水线查询。\u003c/p\u003e\n","SourceHash":"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50","ContentHash":"c09fa4ed92f585161cc517e5eb85079810124313cdd0b340f7f31e7acc94607b","Payload":{"description":"`psql` 现在可以通过 `\\startpipeline`、`\\syncpipeline` 和 `\\endpipeline` 等命令发出流水线查询。","name":"psql 流水线查询"}}],"GroupTitles":{"en":"Client Applications","zh-Hans":"客户端应用"}},"Title":"psql pipeline queries","TitleLocale":"en","Group":"Client Applications","GroupLocale":"en","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=18","BodyLocale":"en","MissingMessage":"","FallbackMessage":"","Body":{"Text":"","URL":"","Class":"","HTML":"\u003cp\u003epsql can issue pipeline queries using the commands \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\startpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\syncpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\sendpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\endpipeline\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\flushrequest\u003c/code\u003e\u003c/a\u003e, \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\flush\u003c/code\u003e\u003c/a\u003e, and \u003ca href=\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\" rel=\"nofollow\"\u003e\u003ccode\u003e\\getresults\u003c/code\u003e\u003c/a\u003e.\u003c/p\u003e\n","Present":false},"Selected":{"Version":"18","State":"yes","EvidenceKind":"yaml-transition","TransitionVersion":"18","Supported":true,"Original":"Yes"},"Observed":true,"Cells":[{"Text":"Unknown","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=20","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=19","Class":"fm_unk","HTML":"","Present":false},{"Text":"Yes","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=18","Class":"fm_yes","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=17","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=16","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=15","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=14","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=13","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=12","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=11","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=10","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.6","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.5","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.1","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=9.0","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=8.4","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=8.3","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=8.2","Class":"fm_no","HTML":"","Present":true},{"Text":"No","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=8.1","Class":"fm_no","HTML":"","Present":true},{"Text":"Unknown","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=8.0","Class":"fm_unk","HTML":"","Present":false},{"Text":"Unknown","URL":"/wiki/versions/capabilities/psql-pipeline-queries/?v=7.4","Class":"fm_unk","HTML":"","Present":false}],"Sources":null,"JSON":"{\n 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rel=\\\"nofollow\\\"\\u003e\\u003ccode\\u003e\\\\endpipeline\\u003c/code\\u003e\\u003c/a\\u003e, \\u003ca href=\\\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\\\" rel=\\\"nofollow\\\"\\u003e\\u003ccode\\u003e\\\\flushrequest\\u003c/code\\u003e\\u003c/a\\u003e, \\u003ca href=\\\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\\\" rel=\\\"nofollow\\\"\\u003e\\u003ccode\\u003e\\\\flush\\u003c/code\\u003e\\u003c/a\\u003e, and \\u003ca href=\\\"https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE\\\" rel=\\\"nofollow\\\"\\u003e\\u003ccode\\u003e\\\\getresults\\u003c/code\\u003e\\u003c/a\\u003e.\\u003c/p\\u003e\\n\",\n \"SourceHash\": \"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd\",\n \"ContentHash\": \"f75bab2edd9ee2fe1214a628b276fdd93fcbad0abe73429acf76870ea6d4c4e1\",\n \"Payload\": {\n \"description\": \"psql can issue pipeline queries using the commands [`\\\\startpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\\\syncpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\\\sendpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\\\endpipeline`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\\\flushrequest`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), [`\\\\flush`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE), and [`\\\\getresults`](https://www.postgresql.org/docs/18/app-psql.html#APP-PSQL-META-COMMAND-PIPELINE).\",\n \"name\": \"psql pipeline queries\",\n \"versions\": {\n \"18\": \"Yes\"\n }\n }\n },\n {\n \"Locale\": \"zh-Hans\",\n \"Title\": \"psql 流水线查询\",\n \"BodyHTML\": \"\\u003cp\\u003e\\u003ccode\\u003epsql\\u003c/code\\u003e 现在可以通过 \\u003ccode\\u003e\\\\startpipeline\\u003c/code\\u003e、\\u003ccode\\u003e\\\\syncpipeline\\u003c/code\\u003e 和 \\u003ccode\\u003e\\\\endpipeline\\u003c/code\\u003e 等命令发出流水线查询。\\u003c/p\\u003e\\n\",\n \"SourceHash\": \"071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50\",\n \"ContentHash\": \"c09fa4ed92f585161cc517e5eb85079810124313cdd0b340f7f31e7acc94607b\",\n \"Payload\": {\n \"description\": \"`psql` 现在可以通过 `\\\\startpipeline`、`\\\\syncpipeline` 和 `\\\\endpipeline` 等命令发出流水线查询。\",\n \"name\": \"psql 流水线查询\"\n }\n }\n ],\n \"GroupTitles\": {\n \"en\": \"Client Applications\",\n \"zh-Hans\": \"客户端应用\"\n }\n}"},{"Record":{"Key":"psql-named-prepared-statements","SourceKind":"yaml","SourceDatabase":"center","SourceTable":"featurematrix.yaml","SourceKey":"psql named prepared statements","SourceHash":"1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd","Name":"psql named prepared statements","NameLocale":"en","GroupKey":"client-applications","GroupName":"Client 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