RT. ============= In MaxCompute =============== CREATE TABLE json_table ( json_val json ); CREATE TABLE string_table ( string_val STRING ); INSERT INTO string_table VALUES ('{"a":1, "b":2}') ,('{"a":"key", "b":2}') ,('{"c":3}'); INSERT INTO json_table SELECT json_parse(string_val) FROM string_table; ============ In spark ================ select * from json_table with error " json not supportes"