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Diffstat (limited to 'src/backend/utils/adt/numeric.c')
-rw-r--r--src/backend/utils/adt/numeric.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index 143bc1f9c7f..ad2ac3623ae 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -2374,7 +2374,12 @@ float8_numeric(PG_FUNCTION_ARGS)
if (isnan(val))
PG_RETURN_NUMERIC(make_result(&const_nan));
- sprintf(buf, "%.*g", DBL_DIG, val);
+ if (isinf(val))
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot convert infinity to numeric")));
+
+ snprintf(buf, sizeof(buf), "%.*g", DBL_DIG, val);
init_var(&result);
@@ -2436,7 +2441,12 @@ float4_numeric(PG_FUNCTION_ARGS)
if (isnan(val))
PG_RETURN_NUMERIC(make_result(&const_nan));
- sprintf(buf, "%.*g", FLT_DIG, val);
+ if (isinf(val))
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot convert infinity to numeric")));
+
+ snprintf(buf, sizeof(buf), "%.*g", FLT_DIG, val);
init_var(&result);