A dump/restore using pg_dumpall or use of pg_upgrade or logical replication is required for those wishing to migrate data from any previous release. See Section 19.6 for general information on migrating to new major releases.
\nVersion 14 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
\nA dump/restore using pg_dumpall or use of pg_upgrade or logical replication is required for those wishing to migrate data from any previous release. See Section 19.6 for general information on migrating to new major releases.
\nVersion 14 contains a number of changes that may affect compatibility with previous releases. Observe the following incompatibilities:
\nUser-defined objects that reference certain built-in array functions along with their argument types must be recreated (Tom Lane) §
\nSpecifically, array_append(), array_prepend(), array_cat(), array_position(), array_positions(), array_remove(), array_replace(), and width_bucket() used to take anyarray arguments but now take anycompatiblearray. Therefore, user-defined objects like aggregates and operators that reference those array function signatures must be dropped before upgrading, and recreated once the upgrade completes.
Remove deprecated containment operators @ and ~ for built-in geometric data types and contrib modules cube, hstore, intarray, and seg (Justin Pryzby) § §
The more consistently named <@ and @> have been recommended for many years.
Fix to_tsquery() and websearch_to_tsquery() to properly parse query text containing discarded tokens (Alexander Korotkov) §
Certain discarded tokens, like underscore, caused the output of these functions to produce incorrect tsquery output, e.g., both websearch_to_tsquery('\"pg_class pg\"') and to_tsquery('pg_class <-> pg') used to output ( 'pg' & 'class' ) <-> 'pg', but now both output 'pg' <-> 'class' <-> 'pg'.
Fix websearch_to_tsquery() to properly parse multiple adjacent discarded tokens in quotes (Alexander Korotkov) §
Previously, quoted text that contained multiple adjacent discarded tokens was treated as multiple tokens, causing incorrect tsquery output, e.g., websearch_to_tsquery('\"aaa: bbb\"') used to output 'aaa' <2> 'bbb', but now outputs 'aaa' <-> 'bbb'.
Change EXTRACT() to return type numeric instead of float8 (Peter Eisentraut) §
This avoids loss-of-precision issues in some usages. The old behavior can still be obtained by using the old underlying function date_part().
Also, EXTRACT(date) now throws an error for units that are not part of the date data type.
Change var_samp() and stddev_samp() with numeric parameters to return NULL when the input is a single NaN value (Tom Lane) §
Previously NaN was returned.
Return false for has_column_privilege() checks on non-existent or dropped columns when using attribute numbers (Joe Conway) §
Previously such attribute numbers returned an invalid-column error.
", "text": "Return false for has_column_privilege() checks on non-existent or dropped columns when using attribute numbers (Joe Conway) § Previously such attribute numbers returned an invalid-column error.", "title": "Return false for has_column_privilege() checks on non-existent or dropped columns when using attribute numbers", "commits": ["b12bd4869"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "f7e10974c17f9e8232eee021be237ee9374d6a22d0723a47348b8561f9661bce", "section_path": ["Compatibility"], "commit_groups": [["b12bd4869"]], "identity_text": "Return false for has_column_privilege() checks on non-existent or dropped columns when using attribute numbers (Joe Conway) Previously such attribute numbers returned an invalid-column error.", "commit_aliases": ["b12bd4869"], "source_commits": ["b12bd4869"], "source_entry_id": "14.0/migration/007", "db_id": "2a8dcc67f64402d654533acf7c9a8e8d", "patch_ids": ["9bf521aea59479b5aa7908981cec9608"], "statement_hash": "5e80d0c2d65c146bdc3748b2dab4ed0fa6fc2cafd2f530f3fd4a76fc9ade0341", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-21cd13ab9dddb8d4", "cves": [], "html": "Fix handling of infinite window function ranges (Tom Lane) §
\nPreviously window frame clauses like 'inf' PRECEDING AND 'inf' FOLLOWING returned incorrect results.
Remove factorial operators ! and !!, as well as function numeric_fac() (Mark Dilger) §
The factorial() function is still supported.
Disallow factorial() of negative numbers (Peter Eisentraut) §
Previously such cases returned 1.
", "text": "Disallow factorial() of negative numbers (Peter Eisentraut) § Previously such cases returned 1.", "title": "Disallow factorial() of negative numbers", "commits": ["0a40563ea"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "5b325d7866b4a3419d1b70f2818ac3d6e68c16509813c4c0a4192ad7373cc8bd", "section_path": ["Compatibility"], "commit_groups": [["0a40563ea"]], "identity_text": "Disallow factorial() of negative numbers (Peter Eisentraut) Previously such cases returned 1.", "commit_aliases": ["0a40563ea"], "source_commits": ["0a40563ea"], "source_entry_id": "14.0/migration/010", "db_id": "a82ab3256c778cee96b7de5dae3389d2", "patch_ids": ["cd388f0be397d41474e22ca994181ccd"], "statement_hash": "0c1388d837df3e23a4dc76a2373dad719ba114e9e2e56e89ab0f736232601a04", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-eb0963fef9639111", "cves": [], "html": "Remove support for postfix (right-unary) operators (Mark Dilger) §
\npg_dump and pg_upgrade will warn if postfix operators are being dumped.
", "text": "Remove support for postfix (right-unary) operators (Mark Dilger) § pg_dump and pg_upgrade will warn if postfix operators are being dumped.", "title": "Remove support for postfix (right-unary) operators", "commits": ["1ed6b8956"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "faeed0461c17932988c87c6d96b8bd0c0d1d366070de77a1700a737710dd4cfe", "section_path": ["Compatibility"], "commit_groups": [["1ed6b8956"]], "identity_text": "Remove support for postfix (right-unary) operators (Mark Dilger) pg_dump and pg_upgrade will warn if postfix operators are being dumped.", "commit_aliases": ["1ed6b8956"], "source_commits": ["1ed6b8956"], "source_entry_id": "14.0/migration/011", "db_id": "516b18fbda2a69208204390b1a1c4a71", "patch_ids": ["00fd954ed0ced2a53ee2a5342b976432"], "statement_hash": "874d9a3baac9e9f9ff170b2db4886412d0524ecc66805656a455387ab6fe5d2d", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-674b08adca6e6a9c", "cves": [], "html": "Allow \\D and \\W shorthands to match newlines in regular expression newline-sensitive mode (Tom Lane) §
Previously they did not match newlines in this mode, but that disagrees with the behavior of other common regular expression engines. [^[:digit:]] or [^[:word:]] can be used to get the old behavior.
Disregard constraints when matching regular expression back-references (Tom Lane) §
\nFor example, in (^\\d+).*\\1, the ^ constraint should be applied at the start of the string, but not when matching \\1.
Disallow \\w as a range start or end in regular expression character classes (Tom Lane) §
This previously was allowed but produced unexpected results.
", "text": "Disallow \\w as a range start or end in regular expression character classes (Tom Lane) § This previously was allowed but produced unexpected results.", "title": "Disallow \\w as a range start or end in regular expression character classes", "commits": ["2a0af7fe4"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "14a46122cb94db327ce1ac31393ffad7cda594b0f62f897352495cbec80cd7be", "section_path": ["Compatibility"], "commit_groups": [["2a0af7fe4"]], "identity_text": "Disallow \\w as a range start or end in regular expression character classes (Tom Lane) This previously was allowed but produced unexpected results.", "commit_aliases": ["2a0af7fe4"], "source_commits": ["2a0af7fe4"], "source_entry_id": "14.0/migration/014", "db_id": "7cb33f40db82cf57d3f6f027f0bd7fa4", "patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"], "statement_hash": "73eaa88216c7e67d8ca71eb8abfff9fe074f0d5b60217e60a1876758275466c1", "relations": [{"rule": 2, "type": "related", "target": "11855fff64e4bfd4f316452868bdaf21", "evidence": {"same_day": true, "patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"], "ambiguous_patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"]}}, {"rule": 2, "type": "related", "target": "31b906e8faf3983c67c4ba76c9bcbe42", "evidence": {"same_day": true, "patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"], "ambiguous_patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"]}}], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": [{"db_id": "31b906e8faf3983c67c4ba76c9bcbe42", "kind": "related", "version": "14.0", "label": "14.0", "title": "Add [[:word:]] as a regular expression character class, equivalent to \\w", "evidence": {"same_day": true, "patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"], "ambiguous_patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"]}, "url": "/docs/compare/?release=14.0#14.0-c54179951e40b5fc-2", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8"}, {"db_id": "11855fff64e4bfd4f316452868bdaf21", "kind": "related", "version": "14.0", "label": "14.0", "title": "Allow complemented character class escapes \\D, \\S, and \\W within regular expression brackets", "evidence": {"same_day": true, "patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"], "ambiguous_patch_ids": ["a7eb1e3ebcb335443b46af32516407cc"]}, "url": "/docs/compare/?release=14.0#14.0-c54179951e40b5fc-1", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8"}]}, {"id": "14.0-f3f9a68bd130f524", "cves": [], "html": "Require custom server parameter names to use only characters that are valid in unquoted SQL identifiers (Tom Lane) § §
", "text": "Require custom server parameter names to use only characters that are valid in unquoted SQL identifiers (Tom Lane) § §", "title": "Require custom server parameter names to use only characters that are valid in unquoted SQL identifiers", "commits": ["3db826bd5"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "67f466cd55180af38ef79167d0f7d82a906c3a65c15ea1407028a364129639c3", "section_path": ["Compatibility"], "commit_groups": [["3db826bd5"]], "identity_text": "Require custom server parameter names to use only characters that are valid in unquoted SQL identifiers (Tom Lane)", "commit_aliases": ["3db826bd5"], "source_commits": ["3db826bd5"], "source_entry_id": "14.0/migration/015", "db_id": "e27c0102cf63765c2ca9bdb10c077d0e", "patch_ids": ["a99b80012b5bc8560e6cceeb7486fda5"], "statement_hash": "d4101a6b9beb1104c001aab0a704d01f1fbbac17350fe87d5197ff257bd7491b", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-360b4aff4fef87f5", "cves": [], "html": "Change the default of the password_encryption server parameter to scram-sha-256 (Peter Eisentraut) §
Previously it was md5. All new passwords will be stored as SHA256 unless this server setting is changed or the password is specified in MD5 format. Also, the legacy (and undocumented) Boolean-like values which were previously synonyms for md5 are no longer accepted.
Remove server parameter vacuum_cleanup_index_scale_factor (Peter Geoghegan) § §
This setting was ignored starting in PostgreSQL version 13.3.
", "text": "Remove server parameter vacuum_cleanup_index_scale_factor (Peter Geoghegan) § § This setting was ignored starting in PostgreSQL version 13.3.", "title": "Remove server parameter vacuum_cleanup_index_scale_factor", "commits": ["9f3665fbf", "effdd3f3b"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "42314d33b85d55579681a44b7af8868d631607db06ca94203217fd5bfe3aaa37", "section_path": ["Compatibility"], "commit_groups": [["9663d1244", "9f3665fbf"], ["effdd3f3b"]], "identity_text": "Remove server parameter vacuum_cleanup_index_scale_factor (Peter Geoghegan) This setting was ignored starting in PostgreSQL version 13.3.", "commit_aliases": ["9663d1244", "9f3665fbf", "effdd3f3b"], "source_commits": ["9f3665fbf", "effdd3f3b"], "source_entry_id": "14.0/migration/017", "db_id": "33ba05eddab9ba712287813f7255b7e2", "patch_ids": ["0082ed34d90cec899922fbb0312e7343", "7d139072a7e720186d8972f31f3b9f5e"], "statement_hash": "596766df8cab895bd9dc6e17434ef97dfa0828fe647d5c1c180298c950486ce0", "relations": [{"rule": 2, "type": "related", "target": "905141292f2512fd9b9052468cc7ff7d", "evidence": {"same_day": false, "patch_ids": ["7d139072a7e720186d8972f31f3b9f5e"]}}], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": [{"db_id": "905141292f2512fd9b9052468cc7ff7d", "kind": "related", "version": "13.3", "label": "13.3", "title": "Disable the vacuum_cleanup_index_scale_factor parameter and storage option", "evidence": {"same_day": false, "patch_ids": ["7d139072a7e720186d8972f31f3b9f5e"]}, "url": "/docs/compare/?release=13.3#13.3-fb1133cf63235295", "source_url": "/docs/release/13.3/#id-1.11.6.26.5"}]}, {"id": "14.0-df2e37ffd01f7a81", "cves": [], "html": "Remove server parameter operator_precedence_warning (Tom Lane) §
This setting was used for warning applications about PostgreSQL 9.5 changes.
", "text": "Remove server parameter operator_precedence_warning (Tom Lane) § This setting was used for warning applications about PostgreSQL 9.5 changes.", "title": "Remove server parameter operator_precedence_warning", "commits": ["a676386b5"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "beb20e51897903bbf93b545d9ac370a56a52e3b4b8b94c64259ea22b46676cc6", "section_path": ["Compatibility"], "commit_groups": [["a676386b5"]], "identity_text": "Remove server parameter operator_precedence_warning (Tom Lane) This setting was used for warning applications about PostgreSQL 9.5 changes.", "commit_aliases": ["a676386b5"], "source_commits": ["a676386b5"], "source_entry_id": "14.0/migration/018", "db_id": "dff5c30eb6d405f6e27999750e19b063", "patch_ids": ["c3bebe2adc3f41263f2ecbfb91c7d558"], "statement_hash": "2037da2699ec34b8c38b1b1bbab6935ac8edfe7590d447ed2ff5632036bda7a3", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-502ae2ae25b4a337", "cves": [], "html": "Overhaul the specification of clientcert in pg_hba.conf (Kyotaro Horiguchi) §
Values 1/0/no-verify are no longer supported; only the strings verify-ca and verify-full can be used. Also, disallow verify-ca if cert authentication is enabled since cert requires verify-full checking.
Remove support for SSL compression (Daniel Gustafsson, Michael Paquier) § §
\nThis was already disabled by default in previous PostgreSQL releases, and most modern OpenSSL and TLS versions no longer support it.
", "text": "Remove support for SSL compression (Daniel Gustafsson, Michael Paquier) § § This was already disabled by default in previous PostgreSQL releases, and most modern OpenSSL and TLS versions no longer support it.", "title": "Remove support for SSL compression", "commits": ["0ba71107e", "f9264d152"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "0583a73867f097018ea03347ce3d69e5889f63a389c399f33fff0bfaead56754", "section_path": ["Compatibility"], "commit_groups": [["0ba71107e"], ["f9264d152"]], "identity_text": "Remove support for SSL compression (Daniel Gustafsson, Michael Paquier) This was already disabled by default in previous PostgreSQL releases, and most modern OpenSSL and TLS versions no longer support it.", "commit_aliases": ["0ba71107e", "f9264d152"], "source_commits": ["0ba71107e", "f9264d152"], "source_entry_id": "14.0/migration/020", "db_id": "58b01151c05cf3c8e1c1d9a7930a327a", "patch_ids": ["6bb0210077a05748c0769055d2db46d9", "aec84612749cf2a254957427d19b78a0"], "statement_hash": "fe4ec9c7fb6b5e8b54fd54f10e5a67890dd354fd04fdcc3593351cc15ac8b9ef", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-f4ff2add1a8885c7", "cves": [], "html": "Remove server and libpq support for the version 2 wire protocol (Heikki Linnakangas) §
\nThis was last used as the default in PostgreSQL 7.3 (released in 2002).
", "text": "Remove server and libpq support for the version 2 wire protocol (Heikki Linnakangas) § This was last used as the default in PostgreSQL 7.3 (released in 2002).", "title": "Remove server and libpq support for the version 2 wire protocol", "commits": ["3174d69fb"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "0f2d63c788bdb205cf66033b4517d051b24374e352f7a5351256e398b26de55a", "section_path": ["Compatibility"], "commit_groups": [["3174d69fb"]], "identity_text": "Remove server and libpq support for the version 2 wire protocol (Heikki Linnakangas) This was last used as the default in PostgreSQL 7.3 (released in 2002).", "commit_aliases": ["3174d69fb"], "source_commits": ["3174d69fb"], "source_entry_id": "14.0/migration/021", "db_id": "57e12b582d9b7d946a2152c1af36c720", "patch_ids": ["d22d532fd6aed0149de79659facb716c"], "statement_hash": "bd5d1715607fa1564908b90d72937f93a51f6ef924c24ec5457ccc4b601b099a", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-c2cce8cb5a49fd40", "cves": [], "html": "Disallow single-quoting of the language name in the CREATE/DROP LANGUAGE command (Peter Eisentraut) §
Remove the composite types that were formerly created for sequences and toast tables (Tom Lane) §
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\nPreviously 'abc''def' was passed to the server as 'abc'def', and \"abc\"\"def\" was passed as \"abc\"def\", causing syntax errors.
Prevent the containment operators (<@ and @>) for intarray from using GiST indexes (Tom Lane) §
Previously a full GiST index scan was required, so just avoid that and scan the heap, which is faster. Indexes created for this purpose should be removed.
", "text": "Prevent the containment operators (<@ and @>) for intarray from using GiST indexes (Tom Lane) § Previously a full GiST index scan was required, so just avoid that and scan the heap, which is faster. Indexes created for this purpose should be removed.", "title": "Prevent the containment operators (<@ and @>) for intarray from using GiST indexes", "commits": ["20e7e1fe3"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "f0375f9d816b272b5718b7d7bb8a5d000c8c8a90077f4f38079790db5f6f1dc8", "section_path": ["Compatibility"], "commit_groups": [["20e7e1fe3"]], "identity_text": "Prevent the containment operators (<@ and @>) for intarray from using GiST indexes (Tom Lane) Previously a full GiST index scan was required, so just avoid that and scan the heap, which is faster. Indexes created for this purpose should be removed.", "commit_aliases": ["20e7e1fe3"], "source_commits": ["20e7e1fe3"], "source_entry_id": "14.0/migration/025", "db_id": "a40ee29af8f5cf171a58956cb6e0182e", "patch_ids": ["1e07fd758e057e181bd85b16633047c1"], "statement_hash": "f20f4d0fe7b60e25139ffffae4ecae55c63a6bfed8b52ae3763ca5c902d2a6d9", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-a1a034d89104d4f8", "cves": [], "html": "Remove contrib program pg_standby (Justin Pryzby) §
", "text": "Remove contrib program pg_standby (Justin Pryzby) §", "title": "Remove contrib program pg_standby", "commits": ["514b411a2"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "c32a6819ca23f51862f8e018dfb3698dd91f6d7147f40d95c821eacd19307dd8", "section_path": ["Compatibility"], "commit_groups": [["514b411a2"]], "identity_text": "Remove contrib program pg_standby (Justin Pryzby)", "commit_aliases": ["514b411a2"], "source_commits": ["514b411a2"], "source_entry_id": "14.0/migration/026", "db_id": "a9e0bf38a96f1653bee1bb128f5483ec", "patch_ids": ["1fb8ec0321ecf42c4416a98b5df735c0"], "statement_hash": "470b8cd362970c081fae4cff1eecd49138fa7799dd2e5ffd989c818b1f842ff9", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-e973627d531b7815", "cves": [], "html": "Prevent tablefunc's function normal_rand() from accepting negative values (Ashutosh Bapat) §
Negative values produced undesirable results.
", "text": "Prevent tablefunc's function normal_rand() from accepting negative values (Ashutosh Bapat) § Negative values produced undesirable results.", "title": "Prevent tablefunc's function normal_rand() from accepting negative values", "commits": ["f73999262"], "section": "Compatibility", "category": "compatibility", "source_url": "/docs/release/14.0/#id-1.11.6.30.4", "source_hash": "51d41bdd8143e3cedd448fcc2331bc160a3a332836bfac059e0de6c2a6d96b30", "section_path": ["Compatibility"], "commit_groups": [["f73999262"]], "identity_text": "Prevent tablefunc 's function normal_rand() from accepting negative values (Ashutosh Bapat) Negative values produced undesirable results.", "commit_aliases": ["f73999262"], "source_commits": ["f73999262"], "source_entry_id": "14.0/migration/027", "db_id": "f49484fe3b62226f06ef45d02aa28b08", "patch_ids": ["419656bd6830d5730877c9efa0fcc9ef"], "statement_hash": "fd298129535aafb2a0f2c419da07ab79ce1896430768e68e9cd72ea1ac367a11", "relations": [], "version": "14.0", "category_label": "Compatibility", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-dab54c9e7048da7e", "cves": [], "html": "Add predefined roles pg_read_all_data and pg_write_all_data (Stephen Frost) §
These non-login roles can be used to give read or write permission to all tables, views, and sequences.
", "text": "Add predefined roles pg_read_all_data and pg_write_all_data (Stephen Frost) § These non-login roles can be used to give read or write permission to all tables, views, and sequences.", "title": "Add predefined roles pg_read_all_data and pg_write_all_data", "commits": ["6c3ffd697"], "section": "Server", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3", "source_hash": "3edee8242e0e0472a73fcc7326e31435772bf18008ca8e173cfd41aa732ffbf0", "section_path": ["Server"], "commit_groups": [["6c3ffd697"]], "identity_text": "Add predefined roles pg_read_all_data and pg_write_all_data (Stephen Frost) These non-login roles can be used to give read or write permission to all tables, views, and sequences.", "commit_aliases": ["6c3ffd697"], "source_commits": ["6c3ffd697"], "source_entry_id": "14.0/changes/001", "db_id": "7c964ca68cdf3bf8145c759329acccc2", "patch_ids": ["a7b1c5fabbd5c8f3b4273c849636d7de"], "statement_hash": "b4047ab90f3f257b52bb99a1862322775632426b74dee2281aaee02a55da453e", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-2e3bf31b7a03e4be", "cves": [], "html": "Add predefined role pg_database_owner that contains only the current database's owner (Noah Misch) §
This is especially useful in template databases.
", "text": "Add predefined role pg_database_owner that contains only the current database's owner (Noah Misch) § This is especially useful in template databases.", "title": "Add predefined role pg_database_owner that contains only the current database's owner", "commits": ["a14a0118a"], "section": "Server", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3", "source_hash": "b7f5e672258676967d32a5aa3cada04d63bbf9d501c9500185049654e366768b", "section_path": ["Server"], "commit_groups": [["a14a0118a"]], "identity_text": "Add predefined role pg_database_owner that contains only the current database's owner (Noah Misch) This is especially useful in template databases.", "commit_aliases": ["a14a0118a"], "source_commits": ["a14a0118a"], "source_entry_id": "14.0/changes/002", "db_id": "39f7eb95a3c5fa369367c8d9e3cebff2", "patch_ids": ["4dea78925fdaae2198cc9749bad9eab5"], "statement_hash": "f4b6d6a2feb82f46a79d5a5969e3fb4782683813d72d3ec13c55fda53c13e040", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-a93fc5c8565ace4a", "cves": [], "html": "Remove temporary files after backend crashes (Euler Taveira) §
\nPreviously, such files were retained for debugging purposes. If necessary, deletion can be disabled with the new server parameter remove_temp_files_after_crash.
", "text": "Remove temporary files after backend crashes (Euler Taveira) § Previously, such files were retained for debugging purposes. If necessary, deletion can be disabled with the new server parameter remove_temp_files_after_crash.", "title": "Remove temporary files after backend crashes", "commits": ["cd91de0d1"], "section": "Server", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3", "source_hash": "8a07f6ae80b6a91c982965e7fb06a8ef388441a72c1e82fb5f052af8b0ce0d33", "section_path": ["Server"], "commit_groups": [["cd91de0d1"]], "identity_text": "Remove temporary files after backend crashes (Euler Taveira) Previously, such files were retained for debugging purposes. If necessary, deletion can be disabled with the new server parameter guc-remove-temp-files-after-crash .", "commit_aliases": ["cd91de0d1"], "source_commits": ["cd91de0d1"], "source_entry_id": "14.0/changes/003", "db_id": "9641f1fa742188e74a0ce21ffb889f00", "patch_ids": ["3eda1f200d7115024d30e70cc91d03de"], "statement_hash": "7b84731fbe851c837f867ed41279fabc8f765c04f2d6aebf30b915b0cea99aad", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-4e90554915eb0755", "cves": [], "html": "Allow long-running queries to be canceled if the client disconnects (Sergey Cherkashin, Thomas Munro) §
\nThe server parameter client_connection_check_interval allows control over whether loss of connection is checked for intra-query. (This is supported on Linux and a few other operating systems.)
", "text": "Allow long-running queries to be canceled if the client disconnects (Sergey Cherkashin, Thomas Munro) § The server parameter client_connection_check_interval allows control over whether loss of connection is checked for intra-query. (This is supported on Linux and a few other operating systems.)", "title": "Allow long-running queries to be canceled if the client disconnects", "commits": ["c30f54ad7"], "section": "Server", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3", "source_hash": "27e0b2b4f1f67548713108323182c1875fed7b4e597b4b8b2906fb0fe4865b64", "section_path": ["Server"], "commit_groups": [["c30f54ad7"]], "identity_text": "Allow long-running queries to be canceled if the client disconnects (Sergey Cherkashin, Thomas Munro) The server parameter guc-client-connection-check-interval allows control over whether loss of connection is checked for intra-query. (This is supported on Linux and a few other operating systems.)", "commit_aliases": ["c30f54ad7"], "source_commits": ["c30f54ad7"], "source_entry_id": "14.0/changes/004", "db_id": "a41d31862a17639e06183064e541c785", "patch_ids": ["6b1278fd036012f59f5ac99ded1c5420"], "statement_hash": "d276847c535cfe09f0d43acb4190ffc941f831d42a07a5d4d79aaef80b966238", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-ef095454849017dd", "cves": [], "html": "Add an optional timeout parameter to pg_terminate_backend() (Magnus Hagander) §
Allow wide tuples to be always added to almost-empty heap pages (John Naylor, Floris van Nee) §
\nPreviously tuples whose insertion would have exceeded the page's fill factor were instead added to new pages.
", "text": "Allow wide tuples to be always added to almost-empty heap pages (John Naylor, Floris van Nee) § Previously tuples whose insertion would have exceeded the page's fill factor were instead added to new pages.", "title": "Allow wide tuples to be always added to almost-empty heap pages", "commits": ["0ff8bbdee"], "section": "Server", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3", "source_hash": "ed40aa9909ecbc0c55353c192b947ecc8b6886ffdf3d3046ea233d940450647e", "section_path": ["Server"], "commit_groups": [["0ff8bbdee"]], "identity_text": "Allow wide tuples to be always added to almost-empty heap pages (John Naylor, Floris van Nee) Previously tuples whose insertion would have exceeded the page's fill factor were instead added to new pages.", "commit_aliases": ["0ff8bbdee"], "source_commits": ["0ff8bbdee"], "source_entry_id": "14.0/changes/006", "db_id": "2b5392fe4c126bdbde4d4aa7bde41801", "patch_ids": ["f55a5fbf49b0f05bf7fa427e115618b1"], "statement_hash": "8a4d001b69d3172c9b75eaa0f1bf4baddb6283eb06b200dfd921df3c958e4e0e", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-f1624c24d8142aee", "cves": [], "html": "Add Server Name Indication (SNI) in SSL connection packets (Peter Eisentraut) §
\nThis can be disabled by turning off client connection option sslsni.
Allow vacuum to skip index vacuuming when the number of removable index entries is insignificant (Masahiko Sawada, Peter Geoghegan) § §
\nThe vacuum parameter INDEX_CLEANUP has a new default of auto that enables this optimization.
Allow vacuum to more eagerly add deleted btree pages to the free space map (Peter Geoghegan) §
\nPreviously vacuum could only add pages to the free space map that were marked as deleted by previous vacuums.
", "text": "Allow vacuum to more eagerly add deleted btree pages to the free space map (Peter Geoghegan) § Previously vacuum could only add pages to the free space map that were marked as deleted by previous vacuums.", "title": "Allow vacuum to more eagerly add deleted btree pages to the free space map", "commits": ["9dd963ae2"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "1a5df65590ce77bfba6416afa53e5caeda96f198b37a90e694b59eea495a867a", "section_path": ["Server", "Vacuuming"], "commit_groups": [["9dd963ae2"]], "identity_text": "Allow vacuum to more eagerly add deleted btree pages to the free space map (Peter Geoghegan) Previously vacuum could only add pages to the free space map that were marked as deleted by previous vacuums.", "commit_aliases": ["9dd963ae2"], "source_commits": ["9dd963ae2"], "source_entry_id": "14.0/changes/009", "db_id": "dfe598f48cb6459cfc00d4877a4e027a", "patch_ids": ["7ea5da6b25b05cc12a9b7155150851f1"], "statement_hash": "5628575f5d106cd69153b5b5a7a9241d3ce0cf3aa8b3af1cd918f1e02af03c80", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-2517763ed8e07a7e", "cves": [], "html": "Allow vacuum to reclaim space used by unused trailing heap line pointers (Matthias van de Meent, Peter Geoghegan) §
", "text": "Allow vacuum to reclaim space used by unused trailing heap line pointers (Matthias van de Meent, Peter Geoghegan) §", "title": "Allow vacuum to reclaim space used by unused trailing heap line pointers", "commits": ["3c3b8a4b2"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "a8ecddf416b8d86d6355383cabe7692f05143fb855c8993970f0ad8b39993516", "section_path": ["Server", "Vacuuming"], "commit_groups": [["3c3b8a4b2"]], "identity_text": "Allow vacuum to reclaim space used by unused trailing heap line pointers (Matthias van de Meent, Peter Geoghegan)", "commit_aliases": ["3c3b8a4b2"], "source_commits": ["3c3b8a4b2"], "source_entry_id": "14.0/changes/010", "db_id": "67b224cf45acd34835fc61ac92183819", "patch_ids": ["e465d15f7a45be97ecf084841358ff3e"], "statement_hash": "c1780be2eac7b38ea2387976313dca8cec4bb7fd8bb4993b1b11843b4af5af20", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-e85885ab232f73ee", "cves": [], "html": "Allow vacuum to be more aggressive in removing dead rows during minimal-locking index operations (Álvaro Herrera) § § §
\nSpecifically, CREATE INDEX CONCURRENTLY and REINDEX CONCURRENTLY no longer limit the dead row removal of other relations.
Speed up vacuuming of databases with many relations (Tatsuhito Kasahara) §
", "text": "Speed up vacuuming of databases with many relations (Tatsuhito Kasahara) §", "title": "Speed up vacuuming of databases with many relations", "commits": ["e2ac3fed3"], "section": "Server / Vacuuming", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "6de1b38e56c93551a86bbb1f8c30b181aace28c08f85b7a8e1b6c9b4cbf92ac2", "section_path": ["Server", "Vacuuming"], "commit_groups": [["e2ac3fed3"]], "identity_text": "Speed up vacuuming of databases with many relations (Tatsuhito Kasahara)", "commit_aliases": ["e2ac3fed3"], "source_commits": ["e2ac3fed3"], "source_entry_id": "14.0/changes/012", "db_id": "7226f64f239faedb831a40b26ed1b83b", "patch_ids": ["db27b08fe82d4866a88debc8fe55bcfe"], "statement_hash": "a97c5b84df3e61784c109c3e486bdd644582a78b7409685bee83e549a311d862", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-d65767504fdae59c", "cves": [], "html": "Reduce the default value of vacuum_cost_page_miss to better reflect current hardware capabilities (Peter Geoghegan) §
", "text": "Reduce the default value of vacuum_cost_page_miss to better reflect current hardware capabilities (Peter Geoghegan) §", "title": "Reduce the default value of vacuum_cost_page_miss to better reflect current hardware capabilities", "commits": ["e19594c5c"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "15a761ea69ab85b91764cd89b03f14b7bbb3fe6be55fb18b1392671a4b300508", "section_path": ["Server", "Vacuuming"], "commit_groups": [["e19594c5c"]], "identity_text": "Reduce the default value of guc-vacuum-cost-page-miss to better reflect current hardware capabilities (Peter Geoghegan)", "commit_aliases": ["e19594c5c"], "source_commits": ["e19594c5c"], "source_entry_id": "14.0/changes/013", "db_id": "89b7a60eade6d24829bbc0d9efb70194", "patch_ids": ["75ef2ee15a80ec6fce3ff14555cfb9fa"], "statement_hash": "f8dc2f0ce5110082402165337d8c1eeffa71d74aa4eabd4e17399f74f382bbd7", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-575d84a6c25ca8ed", "cves": [], "html": "Add ability to skip vacuuming of TOAST tables (Nathan Bossart) §
\nVACUUM now has a PROCESS_TOAST option which can be set to false to disable TOAST processing, and vacuumdb has a --no-process-toast option.
Have COPY FREEZE appropriately update page visibility bits (Anastasia Lubennikova, Pavan Deolasee, Jeff Janes) §
Cause vacuum operations to be more aggressive if the table is near xid or multixact wraparound (Masahiko Sawada, Peter Geoghegan) §
\nThis is controlled by vacuum_failsafe_age and vacuum_multixact_failsafe_age.
", "text": "Cause vacuum operations to be more aggressive if the table is near xid or multixact wraparound (Masahiko Sawada, Peter Geoghegan) § This is controlled by vacuum_failsafe_age and vacuum_multixact_failsafe_age.", "title": "Cause vacuum operations to be more aggressive if the table is near xid or multixact wraparound", "commits": ["1e55e7d17"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "99e324328886adc51ea298a89ea69445029d54804773accc70b5c12d14dd893d", "section_path": ["Server", "Vacuuming"], "commit_groups": [["1e55e7d17"]], "identity_text": "Cause vacuum operations to be more aggressive if the table is near xid or multixact wraparound (Masahiko Sawada, Peter Geoghegan) This is controlled by guc-vacuum-failsafe-age and guc-vacuum-multixact-failsafe-age .", "commit_aliases": ["1e55e7d17"], "source_commits": ["1e55e7d17"], "source_entry_id": "14.0/changes/016", "db_id": "38821d36552837fee8be43e9c2b5109e", "patch_ids": ["a691f25f6b748dcd5dbb4f479fa2a3ee"], "statement_hash": "b3e78a4c45f0865431b66173d087ebe24607970ba92695dc9a00120f9553bc87", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-8b6e63ed99438e71", "cves": [], "html": "Increase warning time and hard limit before transaction id and multi-transaction wraparound (Noah Misch) §
\nThis should reduce the possibility of failures that occur without having issued warnings about wraparound.
", "text": "Increase warning time and hard limit before transaction id and multi-transaction wraparound (Noah Misch) § This should reduce the possibility of failures that occur without having issued warnings about wraparound.", "title": "Increase warning time and hard limit before transaction id and multi-transaction wraparound", "commits": ["cd5e82256"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "17ec33da000d0b5070f735a555514364e59b2adb3695af1c3da5897a7601ce38", "section_path": ["Server", "Vacuuming"], "commit_groups": [["cd5e82256"]], "identity_text": "Increase warning time and hard limit before transaction id and multi-transaction wraparound (Noah Misch) This should reduce the possibility of failures that occur without having issued warnings about wraparound.", "commit_aliases": ["cd5e82256"], "source_commits": ["cd5e82256"], "source_entry_id": "14.0/changes/017", "db_id": "36b7169ab381fedb50ef7455a70c04d5", "patch_ids": ["d4aa577c6ac90cf8b3b00ab8424f9884"], "statement_hash": "5bf76e0938bf46ab86ae704850a242e10f1bb66b1831d156660701ecccaace9f", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-d82eaf7df6779cbd", "cves": [], "html": "Add per-index information to autovacuum logging output (Masahiko Sawada) §
", "text": "Add per-index information to autovacuum logging output (Masahiko Sawada) §", "title": "Add per-index information to autovacuum logging output", "commits": ["5aed6a1fc"], "section": "Server / Vacuuming", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.3", "source_hash": "757f23f69196f316939bdd8edc53742e778b037b66714a1eb3ad2398707c4aaf", "section_path": ["Server", "Vacuuming"], "commit_groups": [["5aed6a1fc"]], "identity_text": "Add per-index information to autovacuum logging output (Masahiko Sawada)", "commit_aliases": ["5aed6a1fc"], "source_commits": ["5aed6a1fc"], "source_entry_id": "14.0/changes/018", "db_id": "4147b6ee8c43efa5d7b0e3a68e8175aa", "patch_ids": ["297356640b1e55ce0b956460c38a88d3"], "statement_hash": "db11a7bb7a4fe49f720d12554845a41884b642ffe8804c8cefe12706edc59c71", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-7b083c3cabea8a78", "cves": [], "html": "Improve the performance of updates and deletes on partitioned tables with many partitions (Amit Langote, Tom Lane) § § §
\nThis change greatly reduces the planner's overhead for such cases, and also allows updates/deletes on partitioned tables to use execution-time partition pruning.
", "text": "Improve the performance of updates and deletes on partitioned tables with many partitions (Amit Langote, Tom Lane) § § § This change greatly reduces the planner's overhead for such cases, and also allows updates/deletes on partitioned tables to use execution-time partition pruning.", "title": "Improve the performance of updates and deletes on partitioned tables with many partitions", "commits": ["86dc90056", "a1115fa07", "c5b7ba4e6"], "section": "Server / Partitioning", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.4", "source_hash": "bb349cd2d9fa02d5fc76114c907fe8698efd8687b02bceaa85cf104da9b0e906", "section_path": ["Server", "Partitioning"], "commit_groups": [["86dc90056"], ["a1115fa07"], ["c5b7ba4e6"]], "identity_text": "Improve the performance of updates and deletes on partitioned tables with many partitions (Amit Langote, Tom Lane) This change greatly reduces the planner's overhead for such cases, and also allows updates/deletes on partitioned tables to use execution-time partition pruning.", "commit_aliases": ["86dc90056", "a1115fa07", "c5b7ba4e6"], "source_commits": ["86dc90056", "a1115fa07", "c5b7ba4e6"], "source_entry_id": "14.0/changes/019", "db_id": "87280cbc3402955bf6dc1ba16e6d429e", "patch_ids": ["7002902cc06c0c6789ed50713737211d", "92b343055ff588bca5fd90e8a5a6d712", "c474888064fe0cebce46908133ab78d2"], "statement_hash": "da8fdc10661856e3452ea117e058207e22185f1017ee9b2d38ab7552b07833f9", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-4c8e021796bd9651", "cves": [], "html": "Allow partitions to be detached in a non-blocking manner (Álvaro Herrera) §
\nThe syntax is ALTER TABLE ... DETACH PARTITION ... CONCURRENTLY, and FINALIZE.
Ignore COLLATE clauses in partition boundary values (Tom Lane) §
Previously any such clause had to match the collation of the partition key; but it's more consistent to consider that it's automatically coerced to the collation of the partition key.
", "text": "Ignore COLLATE clauses in partition boundary values (Tom Lane) § Previously any such clause had to match the collation of the partition key; but it's more consistent to consider that it's automatically coerced to the collation of the partition key.", "title": "Ignore COLLATE clauses in partition boundary values", "commits": ["2dfa3fea8"], "section": "Server / Partitioning", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.4", "source_hash": "509524969f1406938784dad4aae16e7c092fd7d7ca243218705d5aabcf9d7f30", "section_path": ["Server", "Partitioning"], "commit_groups": [["2dfa3fea8"]], "identity_text": "Ignore COLLATE clauses in partition boundary values (Tom Lane) Previously any such clause had to match the collation of the partition key; but it's more consistent to consider that it's automatically coerced to the collation of the partition key.", "commit_aliases": ["2dfa3fea8"], "source_commits": ["2dfa3fea8"], "source_entry_id": "14.0/changes/021", "db_id": "3ec86b7c53023b80ecc13bcfc36b790c", "patch_ids": ["27dd089c1a6b61f0194799531999873d"], "statement_hash": "3c5b8490b2a1b2bcccf2736616edf744afbd239f97bbc82ccf2f5272b675cac0", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-b86bd4388eb831b6", "cves": [], "html": "Allow btree index additions to remove expired index entries to prevent page splits (Peter Geoghegan) § §
\nThis is particularly helpful for reducing index bloat on tables whose indexed columns are frequently updated.
", "text": "Allow btree index additions to remove expired index entries to prevent page splits (Peter Geoghegan) § § This is particularly helpful for reducing index bloat on tables whose indexed columns are frequently updated.", "title": "Allow btree index additions to remove expired index entries to prevent page splits", "commits": ["9dc718bdf", "d168b6668"], "section": "Server / Indexes", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.5", "source_hash": "37c435ebb98c0f7b4d8e8ba08edf9047d67c671cd278c37e9a253edfb3dcd032", "section_path": ["Server", "Indexes"], "commit_groups": [["9dc718bdf"], ["d168b6668"]], "identity_text": "Allow btree index additions to remove expired index entries to prevent page splits (Peter Geoghegan) This is particularly helpful for reducing index bloat on tables whose indexed columns are frequently updated.", "commit_aliases": ["9dc718bdf", "d168b6668"], "source_commits": ["9dc718bdf", "d168b6668"], "source_entry_id": "14.0/changes/022", "db_id": "6c42f4ac324b00fc026c401ec482c147", "patch_ids": ["0b97c9d0405a5f264efeac6d358fa115", "925d4888b6fd7820d89ea2a58493eb7e"], "statement_hash": "a36f8a5992dbee50672461d73d3ebbee21f84d127870c62eb384c39da115dc35", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-36120da75947f5c7", "cves": [], "html": "Allow BRIN indexes to record multiple min/max values per range (Tomas Vondra) §
\nThis is useful if there are groups of values in each page range.
", "text": "Allow BRIN indexes to record multiple min/max values per range (Tomas Vondra) § This is useful if there are groups of values in each page range.", "title": "Allow BRIN indexes to record multiple min/max values per range", "commits": ["ab596105b"], "section": "Server / Indexes", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.5", "source_hash": "3d5e2e5e36f0f2470ff325a360419b897da1a5eb419eaa75fd634a87e2a73725", "section_path": ["Server", "Indexes"], "commit_groups": [["ab596105b"]], "identity_text": "Allow BRIN indexes to record multiple min/max values per range (Tomas Vondra) This is useful if there are groups of values in each page range.", "commit_aliases": ["ab596105b"], "source_commits": ["ab596105b"], "source_entry_id": "14.0/changes/023", "db_id": "100451d3734871d41a926744f6024c91", "patch_ids": ["47401334033bb3bbf08d77f68fc21b64"], "statement_hash": "bf24348a110015de71e69798a7cbfe51ceae018f5612a6ea7880b04b10137d2e", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-053e10cf6fadaee3", "cves": [], "html": "Allow BRIN indexes to use bloom filters (Tomas Vondra) §
\nThis allows BRIN indexes to be used effectively with data that is not well-localized in the heap.
", "text": "Allow BRIN indexes to use bloom filters (Tomas Vondra) § This allows BRIN indexes to be used effectively with data that is not well-localized in the heap.", "title": "Allow BRIN indexes to use bloom filters", "commits": ["77b88cd1b"], "section": "Server / Indexes", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.5", "source_hash": "f4db715c518a257aab6e3a51bd469436bbc3ee06db22790b4cfa06bd6cf5797d", "section_path": ["Server", "Indexes"], "commit_groups": [["77b88cd1b"]], "identity_text": "Allow BRIN indexes to use bloom filters (Tomas Vondra) This allows BRIN indexes to be used effectively with data that is not well-localized in the heap.", "commit_aliases": ["77b88cd1b"], "source_commits": ["77b88cd1b"], "source_entry_id": "14.0/changes/024", "db_id": "5547b4aa0a249906cb102dfacd7e1e9a", "patch_ids": ["361d989f0dc9e6b9fa00be9f7840520d"], "statement_hash": "7a5aa6ba84f59d34cecb50bd2df2846788257284048ff467ed01729238fd876d", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-9636884206673f5a", "cves": [], "html": "Allow some GiST indexes to be built by presorting the data (Andrey Borodin) §
\nPresorting happens automatically and allows for faster index creation and smaller indexes.
", "text": "Allow some GiST indexes to be built by presorting the data (Andrey Borodin) § Presorting happens automatically and allows for faster index creation and smaller indexes.", "title": "Allow some GiST indexes to be built by presorting the data", "commits": ["16fa9b2b3"], "section": "Server / Indexes", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.5", "source_hash": "e16aeb0911ac58fc12e83f6112c405bdee1cbdfe7dde2fd1611422c9b80f4a3f", "section_path": ["Server", "Indexes"], "commit_groups": [["16fa9b2b3"]], "identity_text": "Allow some GiST indexes to be built by presorting the data (Andrey Borodin) Presorting happens automatically and allows for faster index creation and smaller indexes.", "commit_aliases": ["16fa9b2b3"], "source_commits": ["16fa9b2b3"], "source_entry_id": "14.0/changes/025", "db_id": "802c7d515c214d92c0c0e820ed339435", "patch_ids": ["dadcdaf5ab32c9a6959c70f2b7bb513e"], "statement_hash": "bacb06f3d1636179cf16e8aeea22a62a96170d8c33e40d06186a4aaac7d22a2f", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-959c4a49ef80804b", "cves": [], "html": "Allow SP-GiST indexes to contain INCLUDE'd columns (Pavel Borisov) §
Allow hash lookup for IN clauses with many constants (James Coleman, David Rowley) §
Previously the code always sequentially scanned the list of values.
", "text": "Allow hash lookup for IN clauses with many constants (James Coleman, David Rowley) § Previously the code always sequentially scanned the list of values.", "title": "Allow hash lookup for IN clauses with many constants", "commits": ["50e17ad28"], "section": "Server / Optimizer", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.6", "source_hash": "7fe9d9cd6fb3a5f2ac2e679627f86dc8f4bd795645f3cf24fed9663de6ceaa63", "section_path": ["Server", "Optimizer"], "commit_groups": [["50e17ad28"]], "identity_text": "Allow hash lookup for IN clauses with many constants (James Coleman, David Rowley) Previously the code always sequentially scanned the list of values.", "commit_aliases": ["50e17ad28"], "source_commits": ["50e17ad28"], "source_entry_id": "14.0/changes/027", "db_id": "7ca6ebac03cb187d8ed837b4f46c0e1b", "patch_ids": ["b1b2b8064d51829878c86f19b5527657"], "statement_hash": "a31239b0c6757658b16c4fef056579e4446569e215c564869dc74d41b19874ba", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-95d57a6794430f97", "cves": [], "html": "Increase the number of places extended statistics can be used for OR clause estimation (Tomas Vondra, Dean Rasheed) § § §
Allow extended statistics on expressions (Tomas Vondra) §
\nThis allows statistics on a group of expressions and columns, rather than only columns like previously. System view pg_stats_ext_exprs reports such statistics.
Allow efficient heap scanning of a range of TIDs (Edmund Horner, David Rowley) §
Previously a sequential scan was required for non-equality TID specifications.
Fix EXPLAIN CREATE TABLE AS and EXPLAIN CREATE MATERIALIZED VIEW to honor IF NOT EXISTS (Bharath Rupireddy) §
Previously, if the object already existed, EXPLAIN would fail.
Improve the speed of computing MVCC visibility snapshots on systems with many CPUs and high session counts (Andres Freund) § § § § § §
\nThis also improves performance when there are many idle sessions.
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\nThis is useful if only a small percentage of rows is checked on the inner side. It can be disabled via server parameter enable_memoize.
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", "text": "Allow window functions to perform incremental sorts (David Rowley) §", "title": "Allow window functions to perform incremental sorts", "commits": ["62e221e1c"], "section": "Server / General Performance", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.7", "source_hash": "7705a575aa69ab1734fc0da81a602cc2c02ca7f7b0e9b4ff9e984bbc4259c11d", "section_path": ["Server", "General Performance"], "commit_groups": [["62e221e1c"]], "identity_text": "Allow window functions to perform incremental sorts (David Rowley)", "commit_aliases": ["62e221e1c"], "source_commits": ["62e221e1c"], "source_entry_id": "14.0/changes/034", "db_id": "eaf4181723696bfa32db860ca47c109e", "patch_ids": ["47a1163205a01ac8d9713c7f1788b004"], "statement_hash": "4c4767541fa0b8434912ea71ca8359d661f6d22a3be2869a1ad21730bc3bc03c", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-1c7825423e505539", "cves": [], "html": "Improve the I/O performance of parallel sequential scans (Thomas Munro, David Rowley) §
\nThis was done by allocating blocks in groups to parallel workers.
", "text": "Improve the I/O performance of parallel sequential scans (Thomas Munro, David Rowley) § This was done by allocating blocks in groups to parallel workers.", "title": "Improve the I/O performance of parallel sequential scans", "commits": ["56788d215"], "section": "Server / General Performance", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.7", "source_hash": "28356ee8c666a713e3f6618af28d960353357e68f9bb63cfa4de68e3baa6ba69", "section_path": ["Server", "General Performance"], "commit_groups": [["56788d215"]], "identity_text": "Improve the I/O performance of parallel sequential scans (Thomas Munro, David Rowley) This was done by allocating blocks in groups to parallel workers.", "commit_aliases": ["56788d215"], "source_commits": ["56788d215"], "source_entry_id": "14.0/changes/035", "db_id": "d2ca5c4d7817b3f3d619b0794ba26100", "patch_ids": ["da8a19a09c56be0388815e70aa4ff3c8"], "statement_hash": "bce2cfb8b3d5dc42999bb9eb57ce71c5b877a03553bc3b2b32083584f02e935c", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-639e627cd0e53375", "cves": [], "html": "Allow a query referencing multiple foreign tables to perform foreign table scans in parallel (Robert Haas, Kyotaro Horiguchi, Thomas Munro, Etsuro Fujita) §
\npostgres_fdw supports this type of scan if async_capable is set.
Allow analyze to do page prefetching (Stephen Frost) §
\nThis is controlled by maintenance_io_concurrency.
", "text": "Allow analyze to do page prefetching (Stephen Frost) § This is controlled by maintenance_io_concurrency.", "title": "Allow analyze to do page prefetching", "commits": ["c6fc50cb4"], "section": "Server / General Performance", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.7", "source_hash": "3a66e98af78f48ffc638fd97a328dd1028880b071c93ba39984d0ab9ce142c28", "section_path": ["Server", "General Performance"], "commit_groups": [["c6fc50cb4"]], "identity_text": "Allow analyze to do page prefetching (Stephen Frost) This is controlled by guc-maintenance-io-concurrency .", "commit_aliases": ["c6fc50cb4"], "source_commits": ["c6fc50cb4"], "source_entry_id": "14.0/changes/037", "db_id": "4eeac12426b0d4181e8bae6528959e36", "patch_ids": ["788e8ba623e3a3351637be294104cbae"], "statement_hash": "0ab0eb5ed1e262053d2b6b77842491db482cd179a71940d8b5d0d8267e56a30e", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-ff7b81f2bac9508f", "cves": [], "html": "Improve performance of regular expression searches (Tom Lane) § § § § § § § § § § §
", "text": "Improve performance of regular expression searches (Tom Lane) § § § § § § § § § § §", "title": "Improve performance of regular expression searches", "commits": ["08c0d6ad6", "0c3405cf1", "0fc1af174", "190c79884", "4604f83fd", "581043089", "6c20bdb2a", "824bf7190", "cebc1d34e", "ea1268f63", "f68970e33"], "section": "Server / General Performance", "category": "performance", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.7", "source_hash": "f929d8e5d8a1f5b3d596abd0677af1fbf944c1ebc67c849d5323b735a1a4e7ce", "section_path": ["Server", "General Performance"], "commit_groups": [["08c0d6ad6"], ["0c3405cf1"], ["0fc1af174"], ["190c79884"], ["4604f83fd"], ["581043089"], ["6c20bdb2a"], ["824bf7190"], ["cebc1d34e"], ["ea1268f63"], ["f68970e33"]], "identity_text": "Improve performance of regular expression searches (Tom Lane)", "commit_aliases": ["08c0d6ad6", "0c3405cf1", "0fc1af174", "190c79884", "4604f83fd", "581043089", "6c20bdb2a", "824bf7190", "cebc1d34e", "ea1268f63", "f68970e33"], "source_commits": ["08c0d6ad6", "0c3405cf1", "0fc1af174", "190c79884", "4604f83fd", "581043089", "6c20bdb2a", "824bf7190", "cebc1d34e", "ea1268f63", "f68970e33"], "source_entry_id": "14.0/changes/038", "db_id": "b4c154f1ea77d51718dc19c2963d0a61", "patch_ids": ["2364a5283f567b024cca26965ff37126", "26994e1efdf9bd692681412f5de75075", "42200236e457b239334c4f8f2164f9a9", "5c3d98ad585b57440832315977455ed0", "6b0843be47edf1051c458f3fa34ff7f2", "732e851f0b055240c87bfd52e4ebbacd", "7b3a47c22c7f74a09355b96693958832", "8021dfdd4596d2fd7f2a108defb0939c", "a241835bbac0961b6829d67ad6402195", "a934f4729ee374f5ccb0e6689546aad7", "b5822fc3aa485f5c188cea8cd4b29b26"], "statement_hash": "4cd113d08fdebf1caa3bcbdf7288b50a42120a2a0274cdcc4816921e8bb7dd2f", "relations": [], "version": "14.0", "category_label": "Performance", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-ecec4f8a6655d6f2", "cves": [], "html": "Dramatically improve Unicode normalization performance (John Naylor) § §
\nThis speeds normalize() and IS NORMALIZED.
Add ability to use LZ4 compression on TOAST data (Dilip Kumar) §
\nThis can be set at the column level, or set as a default via server parameter default_toast_compression. The server must be compiled with --with-lz4 to support this feature. The default setting is still pglz.
If server parameter compute_query_id is enabled, display the query id in pg_stat_activity, EXPLAIN VERBOSE, csvlog, and optionally in log_line_prefix (Julien Rouhaud) § § § § §
A query id computed by an extension will also be displayed.
", "text": "If server parameter compute_query_id is enabled, display the query id in pg_stat_activity, EXPLAIN VERBOSE, csvlog, and optionally in log_line_prefix (Julien Rouhaud) § § § § § A query id computed by an extension will also be displayed.", "title": "If server parameter compute_query_id is enabled, display the query id in pg_stat_activity, EXPLAIN VERBOSE, csvlog, and optionally in log_line_prefix", "commits": ["4f0b0966c", "9660834dd", "cafde58b3", "f57a2f5e0", "f7a97b6ec"], "section": "Server / Monitoring", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.8", "source_hash": "900e130d8a5347fa5f83b978c1437d8773f442c3a1b9cfe7db5b71925a8c04a2", "section_path": ["Server", "Monitoring"], "commit_groups": [["4f0b0966c"], ["9660834dd"], ["cafde58b3"], ["f57a2f5e0"], ["f7a97b6ec"]], "identity_text": "If server parameter guc-compute-query-id is enabled, display the query id in pg_stat_activity, EXPLAIN VERBOSE, csvlog, and optionally in guc-log-line-prefix (Julien Rouhaud) A query id computed by an extension will also be displayed.", "commit_aliases": ["4f0b0966c", "9660834dd", "cafde58b3", "f57a2f5e0", "f7a97b6ec"], "source_commits": ["4f0b0966c", "9660834dd", "cafde58b3", "f57a2f5e0", "f7a97b6ec"], "source_entry_id": "14.0/changes/041", "db_id": "6f5b0cadbc436b426741630da6395cbc", "patch_ids": ["121b9e887d114fa2359ba0269b820f84", "22bd28a5ed0d0aab6297b4fe1b298434", "37196aec09acb6f2c1f058524b1b7322", "a5e04145d404137dc95cacdb2f1f9fbd", "cff8eba381bf9751b7032a0a172115dc"], "statement_hash": "202b7cf8d813ed12f7d01761dadd5b80e2575cb041ffe1a7569ac0b7bf00f1d0", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-b785b808addc2124", "cves": [], "html": "Improve logging of auto-vacuum and auto-analyze (Stephen Frost, Jakub Wartak) §
\nThis reports I/O timings for auto-vacuum and auto-analyze if track_io_timing is enabled. Also, report buffer read and dirty rates for auto-analyze.
", "text": "Improve logging of auto-vacuum and auto-analyze (Stephen Frost, Jakub Wartak) § This reports I/O timings for auto-vacuum and auto-analyze if track_io_timing is enabled. Also, report buffer read and dirty rates for auto-analyze.", "title": "Improve logging of auto-vacuum and auto-analyze", "commits": ["94d13d474"], "section": "Server / Monitoring", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.8", "source_hash": "3e87e5be11b961eb5d0493ff01b0cbb2dd176f8e86164ea6fbcacee1c1b377ca", "section_path": ["Server", "Monitoring"], "commit_groups": [["94d13d474"]], "identity_text": "Improve logging of auto-vacuum and auto-analyze (Stephen Frost, Jakub Wartak) This reports I/O timings for auto-vacuum and auto-analyze if guc-track-io-timing is enabled. Also, report buffer read and dirty rates for auto-analyze.", "commit_aliases": ["94d13d474"], "source_commits": ["94d13d474"], "source_entry_id": "14.0/changes/042", "db_id": "43fbfb52b5182feb64cd6faa2b1e863c", "patch_ids": ["469bf32a287fe50f1773aa0340cbbab7"], "statement_hash": "a735bc7a8175112056d3cccec66451604551e2a0cdd2f100a61eaed5e9bc35ea", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-12247a44f733ce93", "cves": [], "html": "Add information about the original user name supplied by the client to the output of log_connections (Jacob Champion) §
", "text": "Add information about the original user name supplied by the client to the output of log_connections (Jacob Champion) §", "title": "Add information about the original user name supplied by the client to the output of log_connections", "commits": ["9afffcb83"], "section": "Server / Monitoring", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.8", "source_hash": "542d1e6fda50807adbd6c9ccd2c4c44bc5d31bbdf1b8a0a45db40a75508cf412", "section_path": ["Server", "Monitoring"], "commit_groups": [["9afffcb83"]], "identity_text": "Add information about the original user name supplied by the client to the output of guc-log-connections (Jacob Champion)", "commit_aliases": ["9afffcb83"], "source_commits": ["9afffcb83"], "source_entry_id": "14.0/changes/043", "db_id": "0439e622a8f5d105f23413759141e7ef", "patch_ids": ["22815ab23aea5dee1e3784a751427502"], "statement_hash": "047fc1e1caf4f2b096778700bee8ca5b9fbc1f9e95f0648aeae909a509ca3cc2", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-39cd9f56116e70dd", "cves": [], "html": "Add system view pg_stat_progress_copy to report COPY progress (Josef Šimánek, Matthias van de Meent) § §
Add system view pg_stat_wal to report WAL activity (Masahiro Ikeda) § § §
Add system view pg_stat_replication_slots to report replication slot activity (Masahiko Sawada, Amit Kapila, Vignesh C) § § § §
The function pg_stat_reset_replication_slot() resets slot statistics.
Add system view pg_backend_memory_contexts to report session memory usage (Atsushi Torikoshi, Fujii Masao) § §
Add function pg_log_backend_memory_contexts() to output the memory contexts of arbitrary backends (Atsushi Torikoshi) §
Add session statistics to the pg_stat_database system view (Laurenz Albe) §
Add columns to pg_prepared_statements to report generic and custom plan counts (Atsushi Torikoshi, Kyotaro Horiguchi) §
Add lock wait start time to pg_locks (Atsushi Torikoshi) §
Make the archiver process visible in pg_stat_activity (Kyotaro Horiguchi) §
Add wait event WalReceiverExit to report WAL receiver exit wait time (Fujii Masao) §
Implement information schema view routine_column_usage to track columns referenced by function and procedure default expressions (Peter Eisentraut) §
Allow an SSL certificate's distinguished name (DN) to be matched for client certificate authentication (Andrew Dunstan) §
\nThe new pg_hba.conf option clientname=DN allows comparison with certificate attributes beyond the CN and can be combined with ident maps.
Allow pg_hba.conf and pg_ident.conf records to span multiple lines (Fabien Coelho) §
A backslash at the end of a line allows record contents to be continued on the next line.
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\nThis is controlled by server parameter ssl_crl_dir and libpq connection option sslcrldir. Previously only single CRL files could be specified.
", "text": "Allow the specification of a certificate revocation list (CRL) directory (Kyotaro Horiguchi) § This is controlled by server parameter ssl_crl_dir and libpq connection option sslcrldir. Previously only single CRL files could be specified.", "title": "Allow the specification of a certificate revocation list (CRL) directory", "commits": ["f5465fade"], "section": "Server / Authentication", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.10", "source_hash": "662cdae4226dd5698dd22a75234f56adc3d5bfd32c840656f1dec7c04900d1d8", "section_path": ["Server", "Authentication"], "commit_groups": [["f5465fade"]], "identity_text": "Allow the specification of a certificate revocation list (CRL) directory (Kyotaro Horiguchi) This is controlled by server parameter guc-ssl-crl-dir and libpq connection option libpq-connect-sslcrldir . Previously only single CRL files could be specified.", "commit_aliases": ["f5465fade"], "source_commits": ["f5465fade"], "source_entry_id": "14.0/changes/057", "db_id": "38e62967b96a0706d5328c0287145e0c", "patch_ids": ["103a80e0b7675377b70f76b86b558114"], "statement_hash": "e936bbc3f2b78889ddd12ad32d7f4b46174683374d387a7fb8c9559c7c036d1b", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-97cf0fcd86296419", "cves": [], "html": "Allow passwords of an arbitrary length (Tom Lane, Nathan Bossart) §
", "text": "Allow passwords of an arbitrary length (Tom Lane, Nathan Bossart) §", "title": "Allow passwords of an arbitrary length", "commits": ["67a472d71"], "section": "Server / Authentication", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.10", "source_hash": "306a788bc2cc3e1b44bcc751d072b51c9fe91588a095fc37dab0dab4df3dd92c", "section_path": ["Server", "Authentication"], "commit_groups": [["67a472d71"]], "identity_text": "Allow passwords of an arbitrary length (Tom Lane, Nathan Bossart)", "commit_aliases": ["67a472d71"], "source_commits": ["67a472d71"], "source_entry_id": "14.0/changes/058", "db_id": "2d7255a485b32c58a5cba18c5aeaccd5", "patch_ids": ["2e1740bc94260276595f457faf51a744"], "statement_hash": "fe06b90311edf99ba491d8bec8918caa008391925cc2f60e3a485047dd7c25ad", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-95b1178c72f69c45", "cves": [], "html": "Add server parameter idle_session_timeout to close idle sessions (Li Japin) §
\nThis is similar to idle_in_transaction_session_timeout.
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\nThe previous default was 0.5.
", "text": "Change checkpoint_completion_target default to 0.9 (Stephen Frost) § The previous default was 0.5.", "title": "Change checkpoint_completion_target default to 0.9", "commits": ["bbcc4eb2e"], "section": "Server / Server Configuration", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.11", "source_hash": "d9281c3da88e4a2d91a11fb56f71c6990e6ba0d5231750b8c879b69c4d73a769", "section_path": ["Server", "Server Configuration"], "commit_groups": [["bbcc4eb2e"]], "identity_text": "Change guc-checkpoint-completion-target default to 0.9 (Stephen Frost) The previous default was 0.5.", "commit_aliases": ["bbcc4eb2e"], "source_commits": ["bbcc4eb2e"], "source_entry_id": "14.0/changes/060", "db_id": "d9203edbca1a7407642fc25d70e29d1d", "patch_ids": ["c2645b69754ba586669ff290e4e145c2"], "statement_hash": "121037b95e68ee531dfbd9000b6972c62e792814a8a3a0bbbc85da7131cc96fa", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-f48219934be680db", "cves": [], "html": "Allow %P in log_line_prefix to report the parallel group leader's PID for a parallel worker (Justin Pryzby) §
Allow unix_socket_directories to specify paths as individual, comma-separated quoted strings (Ian Lawrence Barwick) §
\nPreviously all the paths had to be in a single quoted string.
", "text": "Allow unix_socket_directories to specify paths as individual, comma-separated quoted strings (Ian Lawrence Barwick) § Previously all the paths had to be in a single quoted string.", "title": "Allow unix_socket_directories to specify paths as individual, comma-separated quoted strings", "commits": ["a05dbf477"], "section": "Server / Server Configuration", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.11", "source_hash": "69b861d0ea2ae12736c1c32bb5abfc7c9e0bb64a367f103557b1da8086b3aef7", "section_path": ["Server", "Server Configuration"], "commit_groups": [["a05dbf477"]], "identity_text": "Allow guc-unix-socket-directories to specify paths as individual, comma-separated quoted strings (Ian Lawrence Barwick) Previously all the paths had to be in a single quoted string.", "commit_aliases": ["a05dbf477"], "source_commits": ["a05dbf477"], "source_entry_id": "14.0/changes/062", "db_id": "de551dbe6bc7c25bf654175a24267d22", "patch_ids": ["9ce0280978d0930cfb1037860b5eabde"], "statement_hash": "0de46eae250db545b682defd060fe224346184d9d66fe9199f39b83c60694a93", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-1956a63f3aa4e034", "cves": [], "html": "Allow startup allocation of dynamic shared memory (Thomas Munro) §
\nThis is controlled by min_dynamic_shared_memory. This allows more use of huge pages.
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", "text": "Add server parameter huge_page_size to control the size of huge pages used on Linux (Odin Ugedal) §", "title": "Add server parameter huge_page_size to control the size of huge pages used on Linux", "commits": ["d2bddc250"], "section": "Server / Server Configuration", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.3.11", "source_hash": "94bde3f44f9afa04b1060bc2c217aa919709bc3428a5665407262643a4c3630c", "section_path": ["Server", "Server Configuration"], "commit_groups": [["d2bddc250"]], "identity_text": "Add server parameter guc-huge-page-size to control the size of huge pages used on Linux (Odin Ugedal)", "commit_aliases": ["d2bddc250"], "source_commits": ["d2bddc250"], "source_entry_id": "14.0/changes/064", "db_id": "ba8bb9eccebc8bd5781504c2b326972c", "patch_ids": ["1a705b5c20cd45034f2dde4aeeeec500"], "statement_hash": "7bd08c6982d5fad20ce8bf912ec2584ed37c2730ce01265de88a0498acc2d5a4", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-eeb3866c17e6de32", "cves": [], "html": "Allow standby servers to be rewound via pg_rewind (Heikki Linnakangas) §
", "text": "Allow standby servers to be rewound via pg_rewind (Heikki Linnakangas) §", "title": "Allow standby servers to be rewound via pg_rewind", "commits": ["9c4f5192f"], "section": "Streaming Replication and Recovery", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.4", "source_hash": "ca5f148cb1da266c003c0cfaed90617aafb2cd8b74eaeb74885982cb378259a9", "section_path": ["Streaming Replication and Recovery"], "commit_groups": [["9c4f5192f"]], "identity_text": "Allow standby servers to be rewound via pg_rewind (Heikki Linnakangas)", "commit_aliases": ["9c4f5192f"], "source_commits": ["9c4f5192f"], "source_entry_id": "14.0/changes/065", "db_id": "9d9e8aa4ea26bd1d2e95e151339985d8", "patch_ids": ["19fba2bac6e8cfefa619214b1033f5f7"], "statement_hash": "290b1ad9731d8380bec6eb3cf31cf1a03db99a90757ef04f72105db51c22c060", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-fdd593f4454f54e4", "cves": [], "html": "Allow the restore_command setting to be changed during a server reload (Sergei Kornilov) §
\nYou can also set restore_command to an empty string and reload to force recovery to only read from the pg_wal directory.
Add server parameter log_recovery_conflict_waits to report long recovery conflict wait times (Bertrand Drouvot, Masahiko Sawada) § §
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\nPreviously the standby would shut down immediately.
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It gives more detailed information than pg_is_wal_replay_paused(), which still exists.
Add new read-only server parameter in_hot_standby (Haribabu Kommi, Greg Nancarrow, Tom Lane) §
\nThis allows clients to easily detect whether they are connected to a hot standby server.
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\nThe output functions begin with stream. test_decoding also supports these.
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This is useful for logical decoding.
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\nThis is controlled via pg_create_logical_replication_slot().
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\nThis allows logical streaming of in-progress transactions. When logical replication is disabled, invalidation messages are generated only at transaction completion.
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\nThis allows logical decoding to work efficiently in presence of a large amount of DDL.
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\nThis is faster than text mode, but slightly less robust.
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There are now 90% fewer restricted keywords.
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Such cases used to throw an error.
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The same results could be accomplished using existing syntax, but much less conveniently.
", "text": "Add SQL-standard SEARCH and CYCLE clauses for common table expressions (Peter Eisentraut) § § The same results could be accomplished using existing syntax, but much less conveniently.", "title": "Add SQL-standard SEARCH and CYCLE clauses for common table expressions", "commits": ["3696a600e", "f4adc41c4"], "section": "SELECT, INSERT", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.5", "source_hash": "dc5b7432a6886e56078a8287b468482aed509ae3adac2476b55c5bc3fc6951f2", "section_path": ["SELECT, INSERT"], "commit_groups": [["3696a600e"], ["f4adc41c4"]], "identity_text": "Add SQL-standard SEARCH and CYCLE clauses for common table expressions (Peter Eisentraut) The same results could be accomplished using existing syntax, but much less conveniently.", "commit_aliases": ["3696a600e", "f4adc41c4"], "source_commits": ["3696a600e", "f4adc41c4"], "source_entry_id": "14.0/changes/090", "db_id": "2699ecd555a13e0bb86d02de1f3ed87a", "patch_ids": ["533ea3467eaae43b410b71c3158d5bad", "d01ea6ae5cb04812e8e09cafdd7e6d8b"], "statement_hash": "19d7fff1933f000f006ae2d56e240b0a7cbfde0f698b052610e0dd688a5c036d", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-7303658d6d6feac3", "cves": [], "html": "Allow column names in the WHERE clause of ON CONFLICT to be table-qualified (Tom Lane) §
Only the target table can be referenced, however.
", "text": "Allow column names in the WHERE clause of ON CONFLICT to be table-qualified (Tom Lane) § Only the target table can be referenced, however.", "title": "Allow column names in the WHERE clause of ON CONFLICT to be table-qualified", "commits": ["6c0373ab7"], "section": "SELECT, INSERT", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.5", "source_hash": "91438aed63195b53d64887d6953a26377941268bcd614063c0322bd5e9d62bb7", "section_path": ["SELECT, INSERT"], "commit_groups": [["6c0373ab7"]], "identity_text": "Allow column names in the WHERE clause of ON CONFLICT to be table-qualified (Tom Lane) Only the target table can be referenced, however.", "commit_aliases": ["6c0373ab7"], "source_commits": ["6c0373ab7"], "source_entry_id": "14.0/changes/091", "db_id": "b638233420a5c4e01274ee7e61f5f15d", "patch_ids": ["968c1d6ea81365652928ba19eb5936a4"], "statement_hash": "fb078b19a178244eedf013cb2cf1acd76cbd1902741f600c0b4856740e4be7b4", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-a3bf95ce7edb753d", "cves": [], "html": "Allow REFRESH MATERIALIZED VIEW to use parallelism (Bharath Rupireddy) §
Allow REINDEX to change the tablespace of the new index (Alexey Kondratov, Michael Paquier, Justin Pryzby) § §
This is done by specifying a TABLESPACE clause. A --tablespace option was also added to reindexdb to control this.
Allow REINDEX to process all child tables or indexes of a partitioned relation (Justin Pryzby, Michael Paquier) §
Allow index commands using CONCURRENTLY to avoid waiting for the completion of other operations using CONCURRENTLY (Álvaro Herrera) § § §
Improve the performance of COPY FROM in binary mode (Bharath Rupireddy, Amit Langote) §
Preserve SQL standard syntax for SQL-defined functions in view definitions (Tom Lane) §
\nPreviously, calls to SQL-standard functions such as EXTRACT() were shown in plain function-call syntax. The original syntax is now preserved when displaying a view or rule.
Add the SQL-standard clause GRANTED BY to GRANT and REVOKE (Peter Eisentraut) §
Add OR REPLACE option for CREATE TRIGGER (Takamichi Osumi) §
This allows pre-existing triggers to be conditionally replaced.
", "text": "Add OR REPLACE option for CREATE TRIGGER (Takamichi Osumi) § This allows pre-existing triggers to be conditionally replaced.", "title": "Add OR REPLACE option for CREATE TRIGGER", "commits": ["92bf7e2d0"], "section": "Utility Commands", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.6", "source_hash": "20c0cd0f52863a42182818f2441ce311676b004cbc126a2ccc3f6c19a4a6f03d", "section_path": ["Utility Commands"], "commit_groups": [["92bf7e2d0"]], "identity_text": "Add OR REPLACE option for CREATE TRIGGER (Takamichi Osumi) This allows pre-existing triggers to be conditionally replaced.", "commit_aliases": ["92bf7e2d0"], "source_commits": ["92bf7e2d0"], "source_entry_id": "14.0/changes/099", "db_id": "cc531de5fce6fbb83c3afa73ad767881", "patch_ids": ["9c4d991b6f24b3903a347c61104e47e5"], "statement_hash": "6a350087b573fd9ea8918ce339f495714710c0f821b208880a497b886952afc9", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-2fb8a5890d1056c0", "cves": [], "html": "Allow TRUNCATE to operate on foreign tables (Kazutaka Onishi, Kohei KaiGai) §
The postgres_fdw module also now supports this.
", "text": "Allow TRUNCATE to operate on foreign tables (Kazutaka Onishi, Kohei KaiGai) § The postgres_fdw module also now supports this.", "title": "Allow TRUNCATE to operate on foreign tables", "commits": ["8ff1c9464"], "section": "Utility Commands", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.6", "source_hash": "67732253591d6e7e9b6901d7f4fc972edeba2fe44859d3a86fb8b5b6e8a3875d", "section_path": ["Utility Commands"], "commit_groups": [["8ff1c9464"]], "identity_text": "Allow TRUNCATE to operate on foreign tables (Kazutaka Onishi, Kohei KaiGai) The postgres_fdw module also now supports this.", "commit_aliases": ["8ff1c9464"], "source_commits": ["8ff1c9464"], "source_entry_id": "14.0/changes/100", "db_id": "fd61e25dc11d238169c7c84c00a345d6", "patch_ids": ["055dc15a7bfaac81486a9d9f0ea6ec27"], "statement_hash": "d3a5f7dfd51a9235a95f0a29e6f015c92c97d41ee7837c604acf7c5e5db94346", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-84d686cb90f21031", "cves": [], "html": "Allow publications to be more easily added to and removed from a subscription (Japin Li) §
\nThe new syntax is ALTER SUBSCRIPTION ... ADD/DROP PUBLICATION. This avoids having to specify all publications to add/remove entries.
Add primary keys, unique constraints, and foreign keys to system catalogs (Peter Eisentraut) § §
\nThese changes help GUI tools analyze the system catalogs. The existing unique indexes of catalogs now have associated UNIQUE or PRIMARY KEY constraints. Foreign key relationships are not actually stored or implemented as constraints, but can be obtained for display from the function pg_get_catalog_foreign_keys().
Allow CURRENT_ROLE every place CURRENT_USER is accepted (Peter Eisentraut) §
Allow extensions and built-in data types to implement subscripting (Dmitry Dolgov) §
\nPreviously subscript handling was hard-coded into the server, so that subscripting could only be applied to array types. This change allows subscript notation to be used to extract or assign portions of a value of any type for which the concept makes sense.
", "text": "Allow extensions and built-in data types to implement subscripting (Dmitry Dolgov) § Previously subscript handling was hard-coded into the server, so that subscripting could only be applied to array types. This change allows subscript notation to be used to extract or assign portions of a value of any type for which the concept makes sense.", "title": "Allow extensions and built-in data types to implement subscripting", "commits": ["c7aba7c14"], "section": "Data Types", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.7", "source_hash": "a0e6321c0501da847c1f5acdf8721dec4f5ffeea885ec531d03582d0b41ab478", "section_path": ["Data Types"], "commit_groups": [["c7aba7c14"]], "identity_text": "Allow extensions and built-in data types to implement subscripting (Dmitry Dolgov) Previously subscript handling was hard-coded into the server, so that subscripting could only be applied to array types. This change allows subscript notation to be used to extract or assign portions of a value of any type for which the concept makes sense.", "commit_aliases": ["c7aba7c14"], "source_commits": ["c7aba7c14"], "source_entry_id": "14.0/changes/104", "db_id": "e1bfb25d1e943bfea707efd8af4d1c7c", "patch_ids": ["f9c254467da6e9b3496742d75cbe1ff0"], "statement_hash": "95a698762359a3f4e80084d398cc2c5aeba5f2c3129901dd35024f4093782299", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-268247527d00b8cd", "cves": [], "html": "Allow subscripting of JSONB (Dmitry Dolgov) § § §
JSONB subscripting can be used to extract and assign to portions of JSONB documents.
Add support for multirange data types (Paul Jungwirth, Alexander Korotkov) § § § §
\nThese are like range data types, but they allow the specification of multiple, ordered, non-overlapping ranges. An associated multirange type is automatically created for every range type.
", "text": "Add support for multirange data types (Paul Jungwirth, Alexander Korotkov) § § § § These are like range data types, but they allow the specification of multiple, ordered, non-overlapping ranges. An associated multirange type is automatically created for every range type.", "title": "Add support for multirange data types", "commits": ["244ad5415", "62097a4cc", "6df7a9698", "db6335b5b"], "section": "Data Types", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.7", "source_hash": "13d082051cc048de04f0cd345171663bcf4340ce4e32aa69d029d291871f1d4a", "section_path": ["Data Types"], "commit_groups": [["244ad5415"], ["62097a4cc"], ["6df7a9698"], ["db6335b5b"]], "identity_text": "Add support for multirange data types (Paul Jungwirth, Alexander Korotkov) These are like range data types, but they allow the specification of multiple, ordered, non-overlapping ranges. An associated multirange type is automatically created for every range type.", "commit_aliases": ["244ad5415", "62097a4cc", "6df7a9698", "db6335b5b"], "source_commits": ["244ad5415", "62097a4cc", "6df7a9698", "db6335b5b"], "source_entry_id": "14.0/changes/106", "db_id": "2638335b0393e381fe1e956fa542c98d", "patch_ids": ["158a99fd8bca9d9456a72e271a827c80", "5641daa03dde7671991f0f5bec8c49a8", "865abf0ed245feb7444c71070c5c106e", "f9f6fc14c71b9380fb5d642445437a31"], "statement_hash": "30fc7bb36d566ed4e031f751ad8f3b29f92a0a7b1d6fd66a53b93d74818375da", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-38ed5e0c5ed14856", "cves": [], "html": "Add support for the stemming of languages Armenian, Basque, Catalan, Hindi, Serbian, and Yiddish (Peter Eisentraut) § § §
", "text": "Add support for the stemming of languages Armenian, Basque, Catalan, Hindi, Serbian, and Yiddish (Peter Eisentraut) § § §", "title": "Add support for the stemming of languages Armenian, Basque, Catalan, Hindi, Serbian, and Yiddish", "commits": ["678d0e239", "c2e71cb35", "cbcc8726b"], "section": "Data Types", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.7", "source_hash": "fda8ac4f238c748dffa6c149b99d59ba38fba4eccab5fc0db641c30eabddca36", "section_path": ["Data Types"], "commit_groups": [["678d0e239"], ["c2e71cb35"], ["cbcc8726b"]], "identity_text": "Add support for the stemming of languages Armenian, Basque, Catalan, Hindi, Serbian, and Yiddish (Peter Eisentraut)", "commit_aliases": ["678d0e239", "c2e71cb35", "cbcc8726b"], "source_commits": ["678d0e239", "c2e71cb35", "cbcc8726b"], "source_entry_id": "14.0/changes/107", "db_id": "5ea740bd7c8c2c6c1f7b4d66415af582", "patch_ids": ["0f481d954aade693357c915bde29d3cf", "510710888dd635c9e3cf7671436484bf", "8895268eef04006b417b79477c16c4bd"], "statement_hash": "9f550ab24bc922c2257fad24fac3b415d688c9ed158deae45186edd7ff8e2b0c", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-e07b9c7b8c6057f8", "cves": [], "html": "Allow tsearch data files to have unlimited line lengths (Tom Lane) §
\nThe previous limit was 4K bytes. Also remove function t_readline().
Add support for Infinity and -Infinity values in the numeric data type (Tom Lane) §
Floating-point data types already supported these.
", "text": "Add support for Infinity and -Infinity values in the numeric data type (Tom Lane) § Floating-point data types already supported these.", "title": "Add support for Infinity and -Infinity values in the numeric data type", "commits": ["a57d312a7"], "section": "Data Types", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.7", "source_hash": "1acc84aea8f8ea025ce74751057f6609f86e0481ff4410329596efe0475e8c25", "section_path": ["Data Types"], "commit_groups": [["a57d312a7"]], "identity_text": "Add support for Infinity and -Infinity values in the numeric data type (Tom Lane) Floating-point data types already supported these.", "commit_aliases": ["a57d312a7"], "source_commits": ["a57d312a7"], "source_entry_id": "14.0/changes/109", "db_id": "2bd1292f391e9124f513063b69f212d6", "patch_ids": ["1dee9522161350e06e578757e009c4ff"], "statement_hash": "6ddf344a239d328a455276ebed3277af3e51fd212e5c69878f5d0749a8a6c088", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-507df3b45a92a30b", "cves": [], "html": "Add point operators <<| and |>> representing strictly above/below tests (Emre Hasegeli) §
Previously these were called >^ and <^, but that naming is inconsistent with other geometric data types. The old names remain available, but may someday be removed.
Add operators to add and subtract LSN and numeric (byte) values (Fujii Masao) §
Allow binary data transfer to be more forgiving of array and record OID mismatches (Tom Lane) §
Create composite array types for system catalogs (Wenjing Zeng) §
\nUser-defined relations have long had composite types associated with them, and also array types over those composite types. System catalogs now do as well. This change also fixes an inconsistency that creating a user-defined table in single-user mode would fail to create a composite array type.
", "text": "Create composite array types for system catalogs (Wenjing Zeng) § User-defined relations have long had composite types associated with them, and also array types over those composite types. System catalogs now do as well. This change also fixes an inconsistency that creating a user-defined table in single-user mode would fail to create a composite array type.", "title": "Create composite array types for system catalogs", "commits": ["f7f70d5e2"], "section": "Data Types", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.7", "source_hash": "1d88ad3df6c0355a2262dfc7b508ad1b017bdd06416a09160e292c3701a31eb1", "section_path": ["Data Types"], "commit_groups": [["f7f70d5e2"]], "identity_text": "Create composite array types for system catalogs (Wenjing Zeng) User-defined relations have long had composite types associated with them, and also array types over those composite types. System catalogs now do as well. This change also fixes an inconsistency that creating a user-defined table in single-user mode would fail to create a composite array type.", "commit_aliases": ["f7f70d5e2"], "source_commits": ["f7f70d5e2"], "source_entry_id": "14.0/changes/113", "db_id": "ebe44389be518b9984a8ca519e88e042", "patch_ids": ["cbac061e3140f3e6c0d9c145c27e45aa"], "statement_hash": "0cccebb4a1b37d2ad2c6e2c6bfc20225854081eedd71f36a28a364ceadfe3845", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-cfe917b6b439a33e", "cves": [], "html": "Allow SQL-language functions and procedures to use SQL-standard function bodies (Peter Eisentraut) §
\nPreviously only string-literal function bodies were supported. When writing a function or procedure in SQL-standard syntax, the body is parsed immediately and stored as a parse tree. This allows better tracking of function dependencies, and can have security benefits.
", "text": "Allow SQL-language functions and procedures to use SQL-standard function bodies (Peter Eisentraut) § Previously only string-literal function bodies were supported. When writing a function or procedure in SQL-standard syntax, the body is parsed immediately and stored as a parse tree. This allows better tracking of function dependencies, and can have security benefits.", "title": "Allow SQL-language functions and procedures to use SQL-standard function bodies", "commits": ["e717a9a18"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "daec6496a7b20e7889939f2968fb04906a17a465c6f0a6d510aa2c5a18d415f5", "section_path": ["Functions"], "commit_groups": [["e717a9a18"]], "identity_text": "Allow SQL-language functions and procedures to use SQL-standard function bodies (Peter Eisentraut) Previously only string-literal function bodies were supported. When writing a function or procedure in SQL-standard syntax, the body is parsed immediately and stored as a parse tree. This allows better tracking of function dependencies, and can have security benefits.", "commit_aliases": ["e717a9a18"], "source_commits": ["e717a9a18"], "source_entry_id": "14.0/changes/114", "db_id": "4821c63dbd3aef37e199ebe9a3eda019", "patch_ids": ["b4b15d88bed9dc4d3e5b601ef765c0ef"], "statement_hash": "91c962935b11caf35bcded1da0ca7a7817d42258d11ef1078c0beb50e4ab4ad4", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-26dc71d1d450fd13", "cves": [], "html": "Allow procedures to have OUT parameters (Peter Eisentraut) § §
Allow some array functions to operate on a mix of compatible data types (Tom Lane) §
\nThe functions array_append(), array_prepend(), array_cat(), array_position(), array_positions(), array_remove(), array_replace(), and width_bucket() now take anycompatiblearray instead of anyarray arguments. This makes them less fussy about exact matches of argument types.
Add SQL-standard trim_array() function (Vik Fearing) §
This could already be done with array slices, but less easily.
", "text": "Add SQL-standard trim_array() function (Vik Fearing) § This could already be done with array slices, but less easily.", "title": "Add SQL-standard trim_array() function", "commits": ["0a687c8f1"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "db065e2e5ba613268eb6068d5e11210887d2cf0434ef4113233147f71aed463e", "section_path": ["Functions"], "commit_groups": [["0a687c8f1"]], "identity_text": "Add SQL-standard trim_array() function (Vik Fearing) This could already be done with array slices, but less easily.", "commit_aliases": ["0a687c8f1"], "source_commits": ["0a687c8f1"], "source_entry_id": "14.0/changes/117", "db_id": "c583f69786b99666212475e55a700446", "patch_ids": ["2917c9084868e6da13cd021a1d005ba2"], "statement_hash": "84f0230017aeec171d441fd3bc75d8bdb48183fb827fcbe3b083804e28a4202b", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-e3099b6658302b78", "cves": [], "html": "Add bytea equivalents of ltrim() and rtrim() (Joel Jacobson) §
Support negative indexes in split_part() (Nikhil Benesch) §
Negative values start from the last field and count backward.
", "text": "Support negative indexes in split_part() (Nikhil Benesch) § Negative values start from the last field and count backward.", "title": "Support negative indexes in split_part()", "commits": ["ec0294fb2"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "98192b92397f4ae4b2069eb49053d7e20030717a4e7e853ddbbd0d5200c91b3b", "section_path": ["Functions"], "commit_groups": [["ec0294fb2"]], "identity_text": "Support negative indexes in split_part() (Nikhil Benesch) Negative values start from the last field and count backward.", "commit_aliases": ["ec0294fb2"], "source_commits": ["ec0294fb2"], "source_entry_id": "14.0/changes/119", "db_id": "c77c7b01ef65ea8744fe46125d79e62b", "patch_ids": ["732abdb8c6f066eb5a42788cc4b16dd6"], "statement_hash": "bea1a000222529e21b542bed16bd07e2c8264f29eaaaa3d9ae9e77fd045ccef3", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-66a434e43e778c1b", "cves": [], "html": "Add string_to_table() function to split a string on delimiters (Pavel Stehule) §
This is similar to the regexp_split_to_table() function.
Add unistr() function to allow Unicode characters to be specified as backslash-hex escapes in strings (Pavel Stehule) §
This is similar to how Unicode can be specified in literal strings.
", "text": "Add unistr() function to allow Unicode characters to be specified as backslash-hex escapes in strings (Pavel Stehule) § This is similar to how Unicode can be specified in literal strings.", "title": "Add unistr() function to allow Unicode characters to be specified as backslash-hex escapes in strings", "commits": ["f37fec837"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "0f2dd3c24173f497cb2ad7866825c9eb337a337a31d9f0b1fb8cd683c71726b5", "section_path": ["Functions"], "commit_groups": [["f37fec837"]], "identity_text": "Add unistr() function to allow Unicode characters to be specified as backslash-hex escapes in strings (Pavel Stehule) This is similar to how Unicode can be specified in literal strings.", "commit_aliases": ["f37fec837"], "source_commits": ["f37fec837"], "source_entry_id": "14.0/changes/121", "db_id": "bfe42a949647d7a6869f62d5d9ec68c4", "patch_ids": ["26594207ffbf42dd6bdcd3f4f7973b59"], "statement_hash": "b9ea8a1f041a6e9fbbac56a63920562acbdff598c2139e13ff17f015aaa75e8e", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-1fe97760dd03080c", "cves": [], "html": "Add bit_xor() XOR aggregate function (Alexey Bashtanov) §
Add function bit_count() to return the number of bits set in a bit or byte string (David Fetter) §
Add date_bin() function (John Naylor) § §
This function “bins” input timestamps, grouping them into intervals of a uniform length aligned with a specified origin.
", "text": "Add date_bin() function (John Naylor) § § This function “bins” input timestamps, grouping them into intervals of a uniform length aligned with a specified origin.", "title": "Add date_bin() function", "commits": ["496e58bb0", "49ab61f0b"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "f70888637a47d4a1c6b04432d5fb0139e14952282e4e1ec75abdd4a5f3093b38", "section_path": ["Functions"], "commit_groups": [["496e58bb0"], ["49ab61f0b"]], "identity_text": "Add date_bin() function (John Naylor) This function bins input timestamps, grouping them into intervals of a uniform length aligned with a specified origin.", "commit_aliases": ["496e58bb0", "49ab61f0b"], "source_commits": ["496e58bb0", "49ab61f0b"], "source_entry_id": "14.0/changes/124", "db_id": "df10f249c44172b76cfae9298bb7d636", "patch_ids": ["4f38f62c50eaf9ea0f4aee433ba3c9af", "98010eccb14f067dd376613a4fe71077"], "statement_hash": "fc6b364699e28cd51613aee6b8c1012be72650dda3e994f1e7ea8b371faf42e7", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-4519b50a4782d2e3", "cves": [], "html": "Allow make_timestamp()/make_timestamptz() to accept negative years (Peter Eisentraut) §
Negative values are interpreted as BC years.
Add newer regular expression substring() syntax (Peter Eisentraut) §
The new SQL-standard syntax is SUBSTRING(text SIMILAR pattern ESCAPE escapechar). The previous standard syntax was SUBSTRING(text FROM pattern FOR escapechar), which is still accepted by PostgreSQL.
Allow complemented character class escapes \\D, \\S, and \\W within regular expression brackets (Tom Lane) §
Add [[:word:]] as a regular expression character class, equivalent to \\w (Tom Lane) §
Allow more flexible data types for default values of lead() and lag() window functions (Vik Fearing) §
Make non-zero floating-point values divided by infinity return zero (Kyotaro Horiguchi) §
\nPreviously such operations produced underflow errors.
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\nPreviously this returned an error.
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Previously they often returned underflow errors.
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", "text": "Improve the accuracy of geometric computations involving infinity (Tom Lane) §", "title": "Improve the accuracy of geometric computations involving infinity", "commits": ["8597a48d0"], "section": "Functions", "category": "feature", "source_url": "/docs/release/14.0/#id-1.11.6.30.5.8", "source_hash": "2f48a7b58b175c17561abcc7a148434501c2420a5b57cba1d4a6f19bcaa2669f", "section_path": ["Functions"], "commit_groups": [["8597a48d0"]], "identity_text": "Improve the accuracy of geometric computations involving infinity (Tom Lane)", "commit_aliases": ["8597a48d0"], "source_commits": ["8597a48d0"], "source_entry_id": "14.0/changes/133", "db_id": "3b034060a12c844f0765315fd513083c", "patch_ids": ["a39c50f126aa45f4366b96bea76580a9"], "statement_hash": "3134b568ce5f6634ce83bb8998965802e5f14b22d5df07290e3133bf82a48923", "relations": [], "version": "14.0", "category_label": "Features", "also_in": [], "variants": [], "related_changes": []}, {"id": "14.0-ad76352a985df92f", "cves": [], "html": "Mark built-in type coercion functions as leakproof where possible (Tom Lane) §
\nThis allows more use of functions that require type conversion in security-sensitive situations.
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Improve PL/pgSQL's expression and assignment parsing (Tom Lane) §
\nThis change allows assignment to array slices and nested record fields.
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Improve performance of repeated CALLs within plpgsql procedures (Pavel Stehule, Tom Lane) §
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\nThis allows multiple queries to be sent, only waiting for completion when a specific synchronization message is sent.
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The new options are read-only, primary, standby, and prefer-standby.
Improve the output format of libpq's PQtrace() (Aya Iwata, Álvaro Herrera) §
Allow an ECPG SQL identifier to be linked to a specific connection (Hayato Kuroda) §
\nThis is done via DECLARE ... STATEMENT.
Allow vacuumdb to skip index cleanup and truncation (Nathan Bossart) §
\nThe options are --no-index-cleanup and --no-truncate.
Allow pg_dump to dump only certain extensions (Guillaume Lelarge) §
\nThis is controlled by option --extension.
Add pgbench permute() function to randomly shuffle values (Fabien Coelho, Hironobu Suzuki, Dean Rasheed) §
Include disconnection times in the reconnection overhead measured by pgbench with -C (Yugo Nagata) §
Allow multiple verbose option specifications (-v) to increase the logging verbosity (Tom Lane) §
This behavior is supported by pg_dump, pg_dumpall, and pg_restore.
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This helps reduce the number of matches printed for overloaded names.
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Allow psql's \\dt and \\di to show TOAST tables and their indexes (Justin Pryzby) §
Add psql command \\dX to list extended statistics objects (Tatsuro Yamada) §
Fix psql's \\dT to understand array syntax and backend grammar aliases, like int for integer (Greg Sabino Mullane, Tom Lane) §
When editing the previous query or a file with psql's \\e, or using \\ef and \\ev, ignore the results if the editor exits without saving (Laurenz Albe) §
Previously, such edits would load the previous query into the query buffer, and typically execute it immediately. This was deemed to be probably not what the user wants.
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Add --no-instructions option to initdb (Magnus Hagander) §
This suppresses the server startup instructions that are normally printed.
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Add contrib module pg_surgery which allows changes to row visibility (Ashutosh Sharma) §
\nThis is useful for correcting database corruption.
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Allow amcheck to also check heap pages (Mark Dilger) §
\nPreviously it only checked B-Tree index pages.
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Mark btree_gist functions as parallel safe (Steven Winfield) §
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\nThe new server parameter compute_query_id's default of auto will automatically enable query id computation when this extension is loaded.
Cause pg_stat_statements to track top and nested statements separately (Julien Rohaud) §
\nPreviously, when tracking all statements, identical top and nested statements were tracked as a single entry; but it seems more useful to separate such usages.
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Allow postgres_fdw to INSERT rows in bulk (Takayuki Tsunakawa, Tomas Vondra, Amit Langote) § §
Allow postgres_fdw to import table partitions if specified by IMPORT FOREIGN SCHEMA ... LIMIT TO (Matthias van de Meent) §
By default, only the root of a partitioned table is imported.
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Allow control over whether foreign servers keep connections open after transaction completion (Bharath Rupireddy) §
\nThis is controlled by keep_connections and defaults to on.
Allow postgres_fdw to reestablish foreign server connections if necessary (Bharath Rupireddy) § §
\nPreviously foreign server restarts could cause foreign table access errors.
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