COUNT_VALUES

Returns the number of non-null items in a given array.

Syntax

COUNT_VALUES(input)

Arguments

Name	Type	Description	Default Value
input	any	The input array

Returns

The number of non-null items in the input array. If the input is a primitive value, 0 will be returned if null, and otherwise 1 1 will be returned.

Examples

input	Output
null::string	0
array['a', 'b', 'c']	3
array[1, 2, 3, 4]	4

Transformation job example

SQL

CREATE JOB function_operator_example
    ADD_MISSING_COLUMNS = true
AS INSERT INTO default_glue_catalog.upsolver_samples.orders_transformed_data 
  MAP_COLUMNS_BY_NAME
    SELECT input,
        COUNT_VALUES(input) AS Output
    FROM default_glue_catalog.upsolver_samples.orders_raw_data
    LET input = null::string
    WHERE $commit_time BETWEEN run_start_time() AND run_end_time()
    LIMIT 1;

Query result

input	Output
null::string	0