DROP TABLE IF EXISTS test_table; DROP TABLE IF EXISTS test_table_2; SELECT 1; /* Check JSONStringsEachRow Output */ CREATE TABLE test_table (value UInt8, name String) ENGINE = MergeTree() ORDER BY value; INSERT INTO test_table VALUES (1, 'a'), (2, 'b'), (3, 'c'); SELECT * FROM test_table FORMAT JSONStringsEachRow; SELECT 2; /* Check Totals */ SELECT name, count() AS c FROM test_table GROUP BY name WITH TOTALS ORDER BY name FORMAT JSONStringsEachRow; SELECT 3; /* Check JSONStringsEachRowWithProgress Output */ SELECT 1 as a FROM system.one FORMAT JSONStringsEachRowWithProgress; SELECT 4; /* Check Totals */ SELECT 1 as a FROM system.one GROUP BY a WITH TOTALS ORDER BY a FORMAT JSONStringsEachRowWithProgress; DROP TABLE IF EXISTS test_table; SELECT 5; /* Check JSONStringsEachRow Input */ CREATE TABLE test_table (v1 String, v2 UInt8, v3 DEFAULT v2 * 16, v4 UInt8 DEFAULT 8) ENGINE = MergeTree() ORDER BY v2; INSERT INTO test_table FORMAT JSONStringsEachRow {"v1": "first", "v2": "1", "v3": "2", "v4": "NULL"} {"v1": "second", "v2": "2", "v3": "null", "v4": "6"}; SELECT * FROM test_table FORMAT JSONStringsEachRow; TRUNCATE TABLE test_table; SELECT 6; /* Check input_format_null_as_default = 1 */ SET input_format_null_as_default = 1; INSERT INTO test_table FORMAT JSONStringsEachRow {"v1": "first", "v2": "1", "v3": "2", "v4": "ᴺᵁᴸᴸ"} {"v1": "second", "v2": "2", "v3": "null", "v4": "6"}; SELECT * FROM test_table FORMAT JSONStringsEachRow; TRUNCATE TABLE test_table; SELECT 7; /* Check Nested */ CREATE TABLE test_table_2 (v1 UInt8, n Nested(id UInt8, name String)) ENGINE = MergeTree() ORDER BY v1; INSERT INTO test_table_2 FORMAT JSONStringsEachRow {"v1": "16", "n.id": "[15, 16, 17]", "n.name": "['first', 'second', 'third']"}; SELECT * FROM test_table_2 FORMAT JSONStringsEachRow; TRUNCATE TABLE test_table_2; DROP TABLE IF EXISTS test_table; DROP TABLE IF EXISTS test_table_2;