diff options
Diffstat (limited to 'src/backend/commands/variable.c')
| -rw-r--r-- | src/backend/commands/variable.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/backend/commands/variable.c b/src/backend/commands/variable.c index f44d942aa4d..e3f9f110d87 100644 --- a/src/backend/commands/variable.c +++ b/src/backend/commands/variable.c @@ -577,14 +577,16 @@ check_transaction_read_only(bool *newval, void **extra, GucSource source) * We allow idempotent changes at any time, but otherwise this can only be * changed in a toplevel transaction that has not yet taken a snapshot. * - * As in check_transaction_read_only, allow it if not inside a transaction. + * As in check_transaction_read_only, allow it if not inside a transaction, + * or if restoring state in a parallel worker. */ bool check_transaction_isolation(int *newval, void **extra, GucSource source) { int newXactIsoLevel = *newval; - if (newXactIsoLevel != XactIsoLevel && IsTransactionState()) + if (newXactIsoLevel != XactIsoLevel && + IsTransactionState() && !InitializingParallelWorker) { if (FirstSnapshotSet) { @@ -619,6 +621,10 @@ check_transaction_isolation(int *newval, void **extra, GucSource source) bool check_transaction_deferrable(bool *newval, void **extra, GucSource source) { + /* Just accept the value when restoring state in a parallel worker */ + if (InitializingParallelWorker) + return true; + if (IsSubTransaction()) { GUC_check_errcode(ERRCODE_ACTIVE_SQL_TRANSACTION); |