diff options
Diffstat (limited to 'src/backend/utils/adt/int.c')
| -rw-r--r-- | src/backend/utils/adt/int.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c index 3970bda83d2..194b96c7208 100644 --- a/src/backend/utils/adt/int.c +++ b/src/backend/utils/adt/int.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.75 2006/10/04 00:29:59 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.76 2007/01/02 20:00:49 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -1124,6 +1124,11 @@ int4mod(PG_FUNCTION_ARGS) ereport(ERROR, (errcode(ERRCODE_DIVISION_BY_ZERO), errmsg("division by zero"))); + + /* SELECT ((-2147483648)::int4) % (-1); causes a floating point exception */ + if (arg1 == INT_MIN && arg2 == -1) + PG_RETURN_INT32(0); + /* No overflow is possible */ PG_RETURN_INT32(arg1 % arg2); |