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| author | Thomas Munro <tmunro@postgresql.org> | 2020-11-02 19:50:45 +1300 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2020-11-03 01:19:50 +1300 |
| commit | 257836a75585934cc05ed7a80bccf8190d41e056 (patch) | |
| tree | 5f3eb018d0f0609063669b81136036b79bf8f948 /src/backend/parser | |
| parent | cd6f479e79f3a33ef7a919c6b6c0c498c790f154 (diff) | |
Track collation versions for indexes.
Record the current version of dependent collations in pg_depend when
creating or rebuilding an index. When accessing the index later, warn
that the index may be corrupted if the current version doesn't match.
Thanks to Douglas Doole, Peter Eisentraut, Christoph Berg, Laurenz Albe,
Michael Paquier, Robert Haas, Tom Lane and others for very helpful
discussion.
Author: Thomas Munro <thomas.munro@gmail.com>
Author: Julien Rouhaud <rjuju123@gmail.com>
Reviewed-by: Peter Eisentraut <peter.eisentraut@2ndquadrant.com> (earlier versions)
Discussion: https://postgr.es/m/CAEepm%3D0uEQCpfq_%2BLYFBdArCe4Ot98t1aR4eYiYTe%3DyavQygiQ%40mail.gmail.com
Diffstat (limited to 'src/backend/parser')
| -rw-r--r-- | src/backend/parser/gram.y | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 60cf7242a30..357ab93fb65 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -2591,6 +2591,14 @@ alter_table_cmd: n->subtype = AT_NoForceRowSecurity; $$ = (Node *)n; } + /* ALTER INDEX <name> ALTER COLLATION ... REFRESH VERSION */ + | ALTER COLLATION any_name REFRESH VERSION_P + { + AlterTableCmd *n = makeNode(AlterTableCmd); + n->subtype = AT_AlterCollationRefreshVersion; + n->object = $3; + $$ = (Node *)n; + } | alter_generic_options { AlterTableCmd *n = makeNode(AlterTableCmd); |