JSON_ARRAY_INTERSECTION (Lakehouse v1)

두 JSON 배열의 공통 요소를 반환합니다.

SQL Syntax

JSON_ARRAY_INTERSECTION(<json_array1>, <json_array2>)

반환 타입

JSON 배열.

SQL Examples

-- Find the intersection of two JSON arrays
SELECT json_array_intersection('["Electronics", "Books", "Toys"]'::JSON, '["Books", "Fashion", "Electronics"]'::JSON);

-[ RECORD 1 ]-----------------------------------
json_array_intersection('["Electronics", "Books", "Toys"]'::VARIANT, '["Books", "Fashion", "Electronics"]'::VARIANT): ["Electronics","Books"]

-- Find the intersection of the result from the first query with a third JSON array using an iterative approach
SELECT json_array_intersection(
    json_array_intersection('["Electronics", "Books", "Toys"]'::JSON, '["Books", "Fashion", "Electronics"]'::JSON),
    '["Electronics", "Books", "Clothing"]'::JSON
);

-[ RECORD 1 ]-----------------------------------
json_array_intersection(json_array_intersection('["Electronics", "Books", "Toys"]'::VARIANT, '["Books", "Fashion", "Electronics"]'::VARIANT), '["Electronics", "Books", "Clothing"]'::VARIANT): ["Electronics","Books"]