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https://github.com/ClickHouse/ClickHouse.git
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44 lines
1.4 KiB
SQL
44 lines
1.4 KiB
SQL
DROP TABLE IF EXISTS summing_merge_tree;
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CREATE TABLE summing_merge_tree (d Date, a String, x UInt32, y UInt64, z Float64) ENGINE = SummingMergeTree(d, a, 8192);
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Hello', 1, 2, 3);
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Hello', 4, 5, 6);
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Goodbye', 1, 2, 3);
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OPTIMIZE TABLE summing_merge_tree;
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OPTIMIZE TABLE summing_merge_tree;
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OPTIMIZE TABLE summing_merge_tree;
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SELECT * FROM summing_merge_tree ORDER BY d, a, x, y, z;
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DROP TABLE summing_merge_tree;
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CREATE TABLE summing_merge_tree (d Date, a String, x UInt32, y UInt64, z Float64) ENGINE = SummingMergeTree(d, a, 8192, (y, z));
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Hello', 1, 2, 3);
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Hello', 4, 5, 6);
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INSERT INTO summing_merge_tree VALUES ('2000-01-01', 'Goodbye', 1, 2, 3);
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OPTIMIZE TABLE summing_merge_tree;
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OPTIMIZE TABLE summing_merge_tree;
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OPTIMIZE TABLE summing_merge_tree;
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SELECT * FROM summing_merge_tree ORDER BY d, a, x, y, z;
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DROP TABLE summing_merge_tree;
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--
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DROP TABLE IF EXISTS summing;
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CREATE TABLE summing (p Date, k UInt64, s UInt64) ENGINE = SummingMergeTree(p, k, 1);
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INSERT INTO summing (k, s) VALUES (0, 1);
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INSERT INTO summing (k, s) VALUES (0, 1), (666, 1), (666, 0);
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OPTIMIZE TABLE summing PARTITION 197001;
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SELECT k, s FROM summing ORDER BY k;
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DROP TABLE summing;
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