JSON_ARRAY_EXCEPT (Lakehouse v1)

1つ目のJSON配列の要素のうち、2つ目のJSON配列に存在しない要素を含む新しいJSON配列を返します。

SQL構文

JSON_ARRAY_EXCEPT(<json_array1>, <json_array2>)

戻り値の型

JSON配列。

SQLの例

SELECT JSON_ARRAY_EXCEPT(
    '["apple", "banana", "orange"]'::JSON,
    '["banana", "grapes"]'::JSON
);

-[ RECORD 1 ]-----------------------------------
json_array_except('["apple", "banana", "orange"]'::VARIANT, '["banana", "grapes"]'::VARIANT): ["apple","orange"]

-- Return an empty array because all elements in the first array are present in the second array.
SELECT json_array_except('["apple", "banana", "orange"]'::VARIANT, '["apple", "banana", "orange"]'::VARIANT)

-[ RECORD 1 ]-----------------------------------
json_array_except('["apple", "banana", "orange"]'::VARIANT, '["apple", "banana", "orange"]'::VARIANT): []