array_length¶
Description¶
returns the number of elements in an array, or null if input is not an array
Return type¶
int64
Domain¶
This is a scalar function (calculates a single output value for a single input row.)
Categories¶
Usage¶
array_length( array )
Argument |
Type |
Required |
Multiple |
Constant |
---|---|---|---|---|
array |
array |
Required |
Only one |
Variable |