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-rw-r--r--src/backend/utils/adt/numeric.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index 40dcbc7b671..58ad1a65ef7 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -1958,9 +1958,10 @@ generate_series_numeric_support(PG_FUNCTION_ARGS)
* in the histogram. width_bucket() returns an integer indicating the
* bucket number that 'operand' belongs to in an equiwidth histogram
* with the specified characteristics. An operand smaller than the
- * lower bound is assigned to bucket 0. An operand greater than the
- * upper bound is assigned to an additional bucket (with number
- * count+1). We don't allow "NaN" for any of the numeric arguments.
+ * lower bound is assigned to bucket 0. An operand greater than or equal
+ * to the upper bound is assigned to an additional bucket (with number
+ * count+1). We don't allow "NaN" for any of the numeric inputs, and we
+ * don't allow either of the histogram bounds to be +/- infinity.
*/
Datum
width_bucket_numeric(PG_FUNCTION_ARGS)