diff options
Diffstat (limited to 'src/backend/catalog/storage.c')
| -rw-r--r-- | src/backend/catalog/storage.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/backend/catalog/storage.c b/src/backend/catalog/storage.c index 57987be2c0a..d0273611703 100644 --- a/src/backend/catalog/storage.c +++ b/src/backend/catalog/storage.c @@ -206,10 +206,13 @@ RelationDropStorage(Relation rel) * The relation mapper fixes this by telling us to not delete such relations * after all as part of its commit. * + * We also use this to reuse an old build of an index during ALTER TABLE, this + * time removing the delete-at-commit entry. + * * No-op if the relation is not among those scheduled for deletion. */ void -RelationPreserveStorage(RelFileNode rnode) +RelationPreserveStorage(RelFileNode rnode, bool atCommit) { PendingRelDelete *pending; PendingRelDelete *prev; @@ -219,11 +222,9 @@ RelationPreserveStorage(RelFileNode rnode) for (pending = pendingDeletes; pending != NULL; pending = next) { next = pending->next; - if (RelFileNodeEquals(rnode, pending->relnode)) + if (RelFileNodeEquals(rnode, pending->relnode) + && pending->atCommit == atCommit) { - /* we should only find delete-on-abort entries, else trouble */ - if (pending->atCommit) - elog(ERROR, "cannot preserve a delete-on-commit relation"); /* unlink and delete list entry */ if (prev) prev->next = next; |