Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the blog post .

GET_NUMBER_ATTRIBUTES function

Returns a count of how many key-value pairs exist at the root level of a dictionary object.

Syntax

GET_NUMBER_ATTRIBUTES( super_expression )

Arguments

Return type

The GET_NUMBER_ATTRIBUTES function returns an INT type.

Note

This function only counts direct attributes and does not include pairs within nested dictionaries.

Example

The following example shows the GET_NUMBER_ATTRIBUTES function.

SELECT GET_NUMBER_ATTRIBUTES(JSON_PARSE('{"a": 1, "b": 2, "c": 3}'));
 get_number_attributes
-----------------------
            3
(1 row)

The GET_NUMBER_ATTRIBUTES function only operates on the first level of the dictionary.

SELECT GET_NUMBER_ATTRIBUTES(JSON_PARSE('{"a": 1, "b": {"c": 3}}'));
 get_number_attributes
-----------------------
            2
(1 row)