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Diffstat (limited to 'src/backend/utils/adt/int8.c')
| -rw-r--r-- | src/backend/utils/adt/int8.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c index 0e599565726..59c110b0b30 100644 --- a/src/backend/utils/adt/int8.c +++ b/src/backend/utils/adt/int8.c @@ -649,6 +649,14 @@ int8mod(PG_FUNCTION_ARGS) PG_RETURN_NULL(); } + /* + * Some machines throw a floating-point exception for INT64_MIN % -1, + * which is a bit silly since the correct answer is perfectly + * well-defined, namely zero. + */ + if (arg2 == -1) + PG_RETURN_INT64(0); + /* No overflow is possible */ PG_RETURN_INT64(arg1 % arg2); |