diff options
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 0d3a74ea372..359d478592b 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -8784,9 +8784,10 @@ copy_relation_data(SMgrRelation src, SMgrRelation dst, pfree(buf); /* - * If the rel isn't temp, we must fsync it down to disk before it's safe - * to commit the transaction. (For a temp rel we don't care since the rel - * will be uninteresting after a crash anyway.) + * If the rel is WAL-logged, must fsync before commit. We use heap_sync + * to ensure that the toast table gets fsync'd too. (For a temp or + * unlogged rel we don't care since the data will be gone after a crash + * anyway.) * * It's obvious that we must do this when not WAL-logging the copy. It's * less obvious that we have to do it even if we did WAL-log the copied |