diff options
| -rw-r--r-- | src/bin/pg_dump/pg_backup_archiver.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c index 651d2a4b8e1..5cbe6658dbe 100644 --- a/src/bin/pg_dump/pg_backup_archiver.c +++ b/src/bin/pg_dump/pg_backup_archiver.c @@ -4541,16 +4541,24 @@ identify_locking_dependencies(ArchiveHandle *AH, TocEntry *te) int nlockids; int i; + /* + * We only care about this for POST_DATA items. PRE_DATA items are not + * run in parallel, and DATA items are all independent by assumption. + */ + if (te->section != SECTION_POST_DATA) + return; + /* Quick exit if no dependencies at all */ if (te->nDeps == 0) return; - /* Exit if this entry doesn't need exclusive lock on other objects */ - if (!(strcmp(te->desc, "CONSTRAINT") == 0 || - strcmp(te->desc, "CHECK CONSTRAINT") == 0 || - strcmp(te->desc, "FK CONSTRAINT") == 0 || - strcmp(te->desc, "RULE") == 0 || - strcmp(te->desc, "TRIGGER") == 0)) + /* + * Most POST_DATA items are ALTER TABLEs or some moral equivalent of that, + * and hence require exclusive lock. However, we know that CREATE INDEX + * does not. (Maybe someday index-creating CONSTRAINTs will fall in that + * category too ... but today is not that day.) + */ + if (strcmp(te->desc, "INDEX") == 0) return; /* |