diff options
Diffstat (limited to 'src/backend/access/transam/parallel.c')
| -rw-r--r-- | src/backend/access/transam/parallel.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/backend/access/transam/parallel.c b/src/backend/access/transam/parallel.c index 751c251cf52..8613fc6fb54 100644 --- a/src/backend/access/transam/parallel.c +++ b/src/backend/access/transam/parallel.c @@ -1226,10 +1226,8 @@ HandleParallelMessage(ParallelContext *pcxt, int i, StringInfo msg) /* * End-of-subtransaction cleanup for parallel contexts. * - * Currently, it's forbidden to enter or leave a subtransaction while - * parallel mode is in effect, so we could just blow away everything. But - * we may want to relax that restriction in the future, so this code - * contemplates that there may be multiple subtransaction IDs in pcxt_list. + * Here we remove only parallel contexts initiated within the current + * subtransaction. */ void AtEOSubXact_Parallel(bool isCommit, SubTransactionId mySubId) @@ -1249,6 +1247,8 @@ AtEOSubXact_Parallel(bool isCommit, SubTransactionId mySubId) /* * End-of-transaction cleanup for parallel contexts. + * + * We nuke all remaining parallel contexts. */ void AtEOXact_Parallel(bool isCommit) |