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Diffstat (limited to 'src/backend/access/transam/subtrans.c')
| -rw-r--r-- | src/backend/access/transam/subtrans.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/backend/access/transam/subtrans.c b/src/backend/access/transam/subtrans.c index a66fc0f2ad5..70828e51703 100644 --- a/src/backend/access/transam/subtrans.c +++ b/src/backend/access/transam/subtrans.c @@ -3,15 +3,14 @@ * subtrans.c * PostgreSQL subtransaction-log manager * - * The pg_subtrans manager is a pg_clog-like manager that stores the parent + * The pg_subtrans manager is a pg_xact-like manager that stores the parent * transaction Id for each transaction. It is a fundamental part of the * nested transactions implementation. A main transaction has a parent * of InvalidTransactionId, and each subtransaction has its immediate parent. * The tree can easily be walked from child to parent, but not in the * opposite direction. * - * This code is based on clog.c, but the robustness requirements - * are completely different from pg_clog, because we only need to remember + * are completely different from pg_xact, because we only need to remember * pg_subtrans information for currently-open transactions. Thus, there is * no need to preserve data over a crash and restart. * |