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Diffstat (limited to 'src/backend/utils/adt/numeric.c')
| -rw-r--r-- | src/backend/utils/adt/numeric.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c index eea42398541..5f23f2afac8 100644 --- a/src/backend/utils/adt/numeric.c +++ b/src/backend/utils/adt/numeric.c @@ -2946,6 +2946,10 @@ numeric_fac(PG_FUNCTION_ARGS) NumericVar fact; NumericVar result; + if (num < 0) + ereport(ERROR, + (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), + errmsg("factorial of a negative number is undefined"))); if (num <= 1) { res = make_result(&const_one); |