aliyun-maxcompute-data-collectors

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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"

OK, we will support this feature in future versions, thank you