A dump/restore is not required for those running 9.2.X.
\nHowever, if you are upgrading from a version earlier than 9.2.11, see Section E.14.
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\nPreviously the XML output-format option produced syntactically invalid tags such as <I/O-Read-Time>. That is now rendered as <I-O-Read-Time>.
", "text": "Fix EXPLAIN to emit valid XML when track_io_timing is on (Markus Winand) Previously the XML output-format option produced syntactically invalid tags such as . That is now rendered asSuppress printing of zeroes for unmeasured times in EXPLAIN (Maksim Milyutin)
\nCertain option combinations resulted in printing zero values for times that actually aren't ever measured in that combination. Our general policy in EXPLAIN is not to print such fields at all, so do that consistently in all cases.
", "text": "Suppress printing of zeroes for unmeasured times in EXPLAIN (Maksim Milyutin) Certain option combinations resulted in printing zero values for times that actually aren't ever measured in that combination. Our general policy in EXPLAIN is not to print such fields at all, so do that consistently in all cases.", "title": "Suppress printing of zeroes for unmeasured times in EXPLAIN", "commits": [], "section": "Changes", "category": "improvement", "source_url": "/docs/release/9.2.19/#AEN111404", "source_hash": "2c7edfbe528d1c971c3a6605f87f7ab02d1942d7b53eecbea37a3ef0c2f56e36", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Suppress printing of zeroes for unmeasured times in EXPLAIN (Maksim Milyutin) Certain option combinations resulted in printing zero values for times that actually aren't ever measured in that combination. Our general policy in EXPLAIN is not to print such fields at all, so do that consistently in all cases.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.2.19/changes/004", "db_id": "e56603a7f48fddbe68c96e0a63a33cb2", "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8", "relations": [{"rule": 2, "type": "equivalent", "target": "522257de20e54cfe8122c8f9c559c49c", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}}, {"rule": 2, "type": "equivalent", "target": "67ee677c366a316903ec4b2e54b471d3", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}}, {"rule": 2, "type": "equivalent", "target": "d24172a3af57a138185911bdf4ae8731", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}}], "version": "9.2.19", "category_label": "Improvements", "also_in": [], "variants": [], "related_changes": [{"db_id": "522257de20e54cfe8122c8f9c559c49c", "kind": "equivalent", "version": "9.5.5", "label": "9.5.5", "title": "Suppress printing of zeroes for unmeasured times in EXPLAIN", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}, "url": "/docs/compare/?release=9.5.5#9.5.5-2e8359cbd4beca64", "source_url": "/docs/release/9.5.5/#AEN130514"}, {"db_id": "d24172a3af57a138185911bdf4ae8731", "kind": "equivalent", "version": "9.4.10", "label": "9.4.10", "title": "Suppress printing of zeroes for unmeasured times in EXPLAIN", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}, "url": "/docs/compare/?release=9.4.10#9.4.10-2e8359cbd4beca64", "source_url": "/docs/release/9.4.10/#AEN122083"}, {"db_id": "67ee677c366a316903ec4b2e54b471d3", "kind": "equivalent", "version": "9.3.15", "label": "9.3.15", "title": "Suppress printing of zeroes for unmeasured times in EXPLAIN", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "c6bf184d53e5909258f39ab47dce71afad2e272336c14d18475da673b29837b8"}, "url": "/docs/compare/?release=9.3.15#9.3.15-2e8359cbd4beca64", "source_url": "/docs/release/9.3.15/#AEN116409"}]}, {"id": "9.2.19-de9f7d5895562a71", "cves": [], "html": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table (Simon Riggs)
\nThe timeout was meant to be 50 milliseconds, but it was actually only 50 microseconds, causing VACUUM to give up on truncation much more easily than intended. Set it to the intended value.
", "text": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table (Simon Riggs) The timeout was meant to be 50 milliseconds, but it was actually only 50 microseconds, causing VACUUM to give up on truncation much more easily than intended. Set it to the intended value.", "title": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table", "commits": [], "section": "Changes", "category": "bugfix", "source_url": "/docs/release/9.2.19/#AEN111404", "source_hash": "a88a1a8f2b6919d53f15eeaeedf61fb8d38d9c4039061e621a4e0a0d81ee59b0", "section_path": ["Changes"], "commit_groups": [], "identity_text": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table (Simon Riggs) The timeout was meant to be 50 milliseconds, but it was actually only 50 microseconds, causing VACUUM to give up on truncation much more easily than intended. Set it to the intended value.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.2.19/changes/005", "db_id": "56e997b4a49879750a680dce08d3c5c3", "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63", "relations": [{"rule": 2, "type": "equivalent", "target": "1cb079dbd3940fef26c1064d66af44f7", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}}, {"rule": 2, "type": "equivalent", "target": "5b3e6ca70c68eb8f46e1990a4fd3c678", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}}, {"rule": 2, "type": "equivalent", "target": "b6e519c98f89f30c1819fa8ae87b9238", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}}, {"rule": 2, "type": "equivalent", "target": "e22909c1e13ebaf44cf39bdd22fb0be2", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}}], "version": "9.2.19", "category_label": "Bug fixes", "also_in": [], "variants": [], "related_changes": [{"db_id": "1cb079dbd3940fef26c1064d66af44f7", "kind": "equivalent", "version": "9.5.5", "label": "9.5.5", "title": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}, "url": "/docs/compare/?release=9.5.5#9.5.5-de9f7d5895562a71", "source_url": "/docs/release/9.5.5/#AEN130514"}, {"db_id": "b6e519c98f89f30c1819fa8ae87b9238", "kind": "equivalent", "version": "9.4.10", "label": "9.4.10", "title": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}, "url": "/docs/compare/?release=9.4.10#9.4.10-de9f7d5895562a71", "source_url": "/docs/release/9.4.10/#AEN122083"}, {"db_id": "5b3e6ca70c68eb8f46e1990a4fd3c678", "kind": "equivalent", "version": "9.3.15", "label": "9.3.15", "title": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}, "url": "/docs/compare/?release=9.3.15#9.3.15-de9f7d5895562a71", "source_url": "/docs/release/9.3.15/#AEN116409"}, {"db_id": "e22909c1e13ebaf44cf39bdd22fb0be2", "kind": "equivalent", "version": "9.1.24", "label": "9.1.24", "title": "Fix timeout length when VACUUM is waiting for exclusive table lock so that it can truncate the table", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "8e1750cd34b1da6ea50cda2bcea08aad7bae5f29bba6a05fdeaa3950bbdffb63"}, "url": "/docs/compare/?release=9.1.24#9.1.24-de9f7d5895562a71", "source_url": "/docs/release/9.1.24/#AEN106976"}]}, {"id": "9.2.19-c92ac7bad376f3b4", "cves": [], "html": "Fix bugs in merging inherited CHECK constraints while creating or altering a table (Tom Lane, Amit Langote)
\nAllow identical CHECK constraints to be added to a parent and child table in either order. Prevent merging of a valid constraint from the parent table with a NOT VALID constraint on the child. Likewise, prevent merging of a NO INHERIT child constraint with an inherited constraint.
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We allow numeric values up to the limit of the storage format (more than 1e100000), so it seems fairly pointless that numeric_in() rejected scientific-notation exponents above 1000. Likewise, it was silly for numeric_recv() to reject more than 1000 digits in an input value.
Avoid very-low-probability data corruption due to testing tuple visibility without holding buffer lock (Thomas Munro, Peter Geoghegan, Tom Lane)
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