select 'JSONEachRow'; set schema_inference_make_columns_nullable=1; set input_format_json_try_infer_named_tuples_from_objects=0; set input_format_json_read_objects_as_strings=0; set input_format_json_infer_incomplete_types_as_strings=0; set input_format_json_read_numbers_as_strings=0; desc format(JSONEachRow, '{"x" : 1234}, {"x" : "String"}') settings input_format_json_try_infer_numbers_from_strings=1; -- { serverError TYPE_MISMATCH } desc format(JSONEachRow, '{"x" : [null, 1]}'); desc format(JSONEachRow, '{"x" : [null, 1]}, {"x" : []}'); desc format(JSONEachRow, '{"x" : [null, 1]}, {"x" : [null]}'); desc format(JSONEachRow, '{"x" : [null, 1]}, {"x" : [1, null]}'); desc format(JSONEachRow, '{"x" : [null, 1]}, {"x" : ["abc", 1]}'); desc format(JSONEachRow, '{"x" : [null, 1]}, {"x" : ["abc", null]}'); desc format(JSONEachRow, '{"x" : {}}, {"x" : {"a" : 1}}'); desc format(JSONEachRow, '{"x" : {"a" : null}}, {"x" : {"b" : 1}}'); desc format(JSONEachRow, '{"x" : null}, {"x" : [1, 2]}'); desc format(JSONEachRow, '{"x" : [[], [null], [1, 2, 3]]}'); desc format(JSONEachRow, '{"x" : [{"a" : null}, {"b" : 1}]}'); desc format(JSONEachRow, '{"x" : [["2020-01-01", null, "1234"], ["abcd"]]}'); set schema_inference_make_columns_nullable=0; desc format(JSONEachRow, '{"x" : [1, 2]}'); desc format(JSONEachRow, '{"x" : [null, 1]}'); desc format(JSONEachRow, '{"x" : [1, 2]}, {"x" : [3]}'); desc format(JSONEachRow, '{"x" : [1, 2]}, {"x" : [null]}'); select 'JSONCompactEachRow'; set schema_inference_make_columns_nullable=1; desc format(JSONCompactEachRow, '[1234], ["String"]') settings input_format_json_try_infer_numbers_from_strings=1; -- { serverError TYPE_MISMATCH } desc format(JSONCompactEachRow, '[[null, 1]]'); desc format(JSONCompactEachRow, '[[null, 1]], [[]]'); desc format(JSONCompactEachRow, '[[null, 1]], [[null]]'); desc format(JSONCompactEachRow, '[[null, 1]], [[1, null]]'); desc format(JSONCompactEachRow, '[[null, 1]], [["abc", 1]]'); desc format(JSONCompactEachRow, '[[null, 1]], [["abc", null]]'); desc format(JSONCompactEachRow, '[{}], [{"a" : 1}]'); desc format(JSONCompactEachRow, '[{"a" : null}], [{"b" : 1}]'); desc format(JSONCompactEachRow, '[null], [[1, 2]]'); desc format(JSONCompactEachRow, '[[[], [null], [1, 2, 3]]]'); desc format(JSONCompactEachRow, '[[{"a" : null}, {"b" : 1}]]'); desc format(JSONCompactEachRow, '[[["2020-01-01", null, "1234"], ["abcd"]]]'); set schema_inference_make_columns_nullable=0; desc format(JSONCompactEachRow, '[[1, 2]]'); desc format(JSONCompactEachRow, '[[null, 1]]'); desc format(JSONCompactEachRow, '[[1, 2]], [[3]]'); desc format(JSONCompactEachRow, '[[1, 2]], [[null]]'); select 'CSV'; set schema_inference_make_columns_nullable=1; desc format(CSV, '"[null, 1]"'); desc format(CSV, '"[null, 1]"\n"[]"'); desc format(CSV, '"[null, 1]"\n"[null]"'); desc format(CSV, '"[null, 1]"\n"[1, null]"'); desc format(CSV, '"{}"\n"{\'a\' : 1}"'); desc format(CSV, '"{\'a\' : null}"\n"{\'b\' : 1}"'); desc format(CSV, '"[[], [null], [1, 2, 3]]"'); desc format(CSV, '"[{\'a\' : null}, {\'b\' : 1}]"'); desc format(CSV, '"[[\'2020-01-01\', null, \'1234\'], [\'abcd\']]"'); set schema_inference_make_columns_nullable=0; desc format(CSV, '"[1,2]"'); desc format(CSV, '"[NULL, 1]"'); desc format(CSV, '"[1, 2]"\n"[3]"'); desc format(CSV, '"[1, 2]"\n"[null]"');