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Diffstat (limited to 'src/backend/utils/adt/misc.c')
| -rw-r--r-- | src/backend/utils/adt/misc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/backend/utils/adt/misc.c b/src/backend/utils/adt/misc.c index 7cb7716e58b..fa1cb675027 100644 --- a/src/backend/utils/adt/misc.c +++ b/src/backend/utils/adt/misc.c @@ -186,6 +186,20 @@ pg_num_nonnulls(PG_FUNCTION_ARGS) PG_RETURN_INT32(nargs - nulls); } +/* + * error_on_null() + * Check if the input is the NULL value + */ +Datum +pg_error_on_null(PG_FUNCTION_ARGS) +{ + if (PG_ARGISNULL(0)) + ereport(ERROR, + (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), + errmsg("null value not allowed"))); + + PG_RETURN_DATUM(PG_GETARG_DATUM(0)); +} /* * current_database() |