diff options
Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/arrayfuncs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c index d52101663a1..311d0c22f06 100644 --- a/src/backend/utils/adt/arrayfuncs.c +++ b/src/backend/utils/adt/arrayfuncs.c @@ -1740,6 +1740,18 @@ array_length(PG_FUNCTION_ARGS) } /* + * array_cardinality: + * returns the total number of elements in an array + */ +Datum +array_cardinality(PG_FUNCTION_ARGS) +{ + ArrayType *v = PG_GETARG_ARRAYTYPE_P(0); + PG_RETURN_INT32(ArrayGetNItems(ARR_NDIM(v), ARR_DIMS(v))); +} + + +/* * array_ref : * This routine takes an array pointer and a subscript array and returns * the referenced item as a Datum. Note that for a pass-by-reference |