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Diffstat (limited to 'src/backend/utils/adt/waitfuncs.c')
-rw-r--r--src/backend/utils/adt/waitfuncs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/adt/waitfuncs.c b/src/backend/utils/adt/waitfuncs.c
index ddd0a57c0c5..f01cad72a0f 100644
--- a/src/backend/utils/adt/waitfuncs.c
+++ b/src/backend/utils/adt/waitfuncs.c
@@ -73,7 +73,7 @@ pg_isolation_test_session_is_blocked(PG_FUNCTION_ARGS)
* acquire heavyweight locks.
*/
blocking_pids_a =
- DatumGetArrayTypeP(DirectFunctionCall1(pg_blocking_pids, blocked_pid));
+ DatumGetArrayTypeP(DirectFunctionCall1(pg_blocking_pids, Int32GetDatum(blocked_pid)));
Assert(ARR_ELEMTYPE(blocking_pids_a) == INT4OID);
Assert(!array_contains_nulls(blocking_pids_a));