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| author | Peter Geoghegan | 2022-08-19 00:34:14 +0000 |
|---|---|---|
| committer | Peter Geoghegan | 2022-08-19 00:34:14 +0000 |
| commit | 662ba729a67e5c6e43efbc5263e1d2c3a72a8741 (patch) | |
| tree | 7e49189c7af0afb5ad43f2d431a97f7cd5de109e | |
| parent | d9fbb8862959912c5266364059c0abeda0c93bbf (diff) | |
Initialize index stats during parallel VACUUM.
Initialize shared memory allocated for index stats to avoid a hard
crash. This was possible when parallel VACUUM became confused about the
current phase of index processing.
Oversight in commit 8e1fae1938, which refactored parallel VACUUM.
Author: Masahiko Sawada <[email protected]>
Reported-By: Justin Pryzby <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch: 15-, the first version with the refactoring commit.
| -rw-r--r-- | src/backend/commands/vacuumparallel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/commands/vacuumparallel.c b/src/backend/commands/vacuumparallel.c index 1753da6c83..5c6f646eff 100644 --- a/src/backend/commands/vacuumparallel.c +++ b/src/backend/commands/vacuumparallel.c @@ -317,6 +317,7 @@ parallel_vacuum_init(Relation rel, Relation *indrels, int nindexes, /* Prepare index vacuum stats */ indstats = (PVIndStats *) shm_toc_allocate(pcxt->toc, est_indstats_len); + MemSet(indstats, 0, est_indstats_len); for (int i = 0; i < nindexes; i++) { Relation indrel = indrels[i]; |