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GET_NUMBER_ATTRIBUTES function - Amazon Redshift
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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

super_expression

A SUPER expression of dictionary form.

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)