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58 lines
2.3 KiB
SQL
58 lines
2.3 KiB
SQL
DROP TABLE IF EXISTS test_groupConcat;
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CREATE TABLE test_groupConcat
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(
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id UInt64,
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p_int Int32 NULL,
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p_string String,
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p_array Array(Int32)
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) ENGINE = MergeTree ORDER BY id;
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SET max_insert_threads = 1, max_threads = 1, min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
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INSERT INTO test_groupConcat VALUES (0, 95, 'abc', [1, 2, 3]), (1, NULL, 'a', [993, 986, 979, 972]), (2, 123, 'makson95', []);
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SELECT * FROM test_groupConcat;
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SELECT groupConcat(p_int) FROM test_groupConcat;
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SELECT groupConcat(p_string) FROM test_groupConcat;
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SELECT groupConcat(p_array) FROM test_groupConcat;
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SELECT groupConcat('', 1)(p_array) FROM test_groupConcat;
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SELECT groupConcat('', 3)(p_string) FROM test_groupConcat;
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SELECT groupConcat('', 2)(p_int) FROM test_groupConcat;
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SELECT groupConcat('\n', 3)(p_int) FROM test_groupConcat;
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SELECT groupConcat(',')(p_int) FROM test_groupConcat;
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SELECT groupConcat(',')(p_string) FROM test_groupConcat;
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SELECT groupConcat(',', 2)(p_array) FROM test_groupConcat;
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SELECT groupConcat(p_int) FROM test_groupConcat WHERE id = 1;
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INSERT INTO test_groupConcat VALUES (0, 95, 'abc', [1, 2, 3]), (1, NULL, 'a', [993, 986, 979, 972]), (2, 123, 'makson95', []);
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INSERT INTO test_groupConcat VALUES (0, 95, 'abc', [1, 2, 3]), (1, NULL, 'a', [993, 986, 979, 972]), (2, 123, 'makson95', []);
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SELECT groupConcat(p_int) FROM test_groupConcat;
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SELECT groupConcat(',')(p_string) FROM test_groupConcat;
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SELECT groupConcat(p_array) FROM test_groupConcat;
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SELECT groupConcat(123)(number) FROM numbers(10); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT groupConcat(',', '3')(number) FROM numbers(10); -- { serverError BAD_ARGUMENTS }
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SELECT groupConcat(',', 0)(number) FROM numbers(10); -- { serverError BAD_ARGUMENTS }
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SELECT groupConcat(',', -1)(number) FROM numbers(10); -- { serverError BAD_ARGUMENTS }
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SELECT groupConcat(',', 3, 3)(number) FROM numbers(10); -- { serverError TOO_MANY_ARGUMENTS_FOR_FUNCTION }
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SELECT length(groupConcat(number)) FROM numbers(100000);
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DROP TABLE IF EXISTS test_groupConcat;
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CREATE TABLE test_groupConcat
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(
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id UInt64,
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p_int Int32,
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) ENGINE = MergeTree ORDER BY id;
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INSERT INTO test_groupConcat SELECT number, number FROM numbers(100000) SETTINGS min_insert_block_size_rows = 2000;
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SELECT length(groupConcat(p_int)) FROM test_groupConcat;
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DROP TABLE IF EXISTS test_groupConcat;
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