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| author | Teodor Sigaev | 2018-03-30 11:23:17 +0000 |
|---|---|---|
| committer | Teodor Sigaev | 2018-03-30 11:23:17 +0000 |
| commit | 43d1ed60fdd96027f044e152176c0d45cd6bf443 (patch) | |
| tree | b5efc150a6cfa4d5edbc5ecbc828850097d0201f /src/backend/regex/regexec.c | |
| parent | 019fa576ca8298ecb7b8ded6e0c857840b57a4ae (diff) | |
Predicate locking in GIN index
Predicate locks are used on per page basis only if fastupdate = off, in
opposite case predicate lock on pending list will effectively lock whole index,
to reduce locking overhead, just lock a relation. Entry and posting trees are
essentially B-tree, so locks are acquired on leaf pages only.
Author: Shubham Barai with some editorization by me and Dmitry Ivanov
Review by: Alexander Korotkov, Dmitry Ivanov, Fedor Sigaev
Discussion: https://www.postgresql.org/message-id/flat/CALxAEPt5sWW+EwTaKUGFL5_XFcZ0MuGBcyJ70oqbWqr42YKR8Q@mail.gmail.com
Diffstat (limited to 'src/backend/regex/regexec.c')
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