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57 lines
1.6 KiB
SQL
57 lines
1.6 KiB
SQL
SELECT '*** MergeTree ***';
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DROP TABLE IF EXISTS test.unsorted;
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CREATE TABLE test.unsorted (x UInt32, y String) ENGINE MergeTree ORDER BY tuple();
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INSERT INTO test.unsorted VALUES (1, 'a'), (5, 'b');
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INSERT INTO test.unsorted VALUES (2, 'c'), (4, 'd');
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INSERT INTO test.unsorted VALUES (3, 'e');
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OPTIMIZE TABLE test.unsorted PARTITION tuple() FINAL;
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SELECT * FROM test.unsorted;
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DROP TABLE test.unsorted;
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SELECT '*** ReplacingMergeTree ***';
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DROP TABLE IF EXISTS test.unsorted_replacing;
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CREATE TABLE test.unsorted_replacing (x UInt32, s String, v UInt32) ENGINE ReplacingMergeTree(v) ORDER BY tuple();
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INSERT INTO test.unsorted_replacing VALUES (1, 'a', 5), (5, 'b', 4);
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INSERT INTO test.unsorted_replacing VALUES (2, 'c', 3), (4, 'd', 2);
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INSERT INTO test.unsorted_replacing VALUES (3, 'e', 1);
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SELECT * FROM test.unsorted_replacing FINAL;
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SELECT '---';
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OPTIMIZE TABLE test.unsorted_replacing PARTITION tuple() FINAL;
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SELECT * FROM test.unsorted_replacing;
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DROP TABLE test.unsorted_replacing;
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SELECT '*** CollapsingMergeTree ***';
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DROP TABLE IF EXISTS test.unsorted_collapsing;
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CREATE TABLE test.unsorted_collapsing (x UInt32, s String, sign Int8) ENGINE CollapsingMergeTree(sign) ORDER BY tuple();
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INSERT INTO test.unsorted_collapsing VALUES (1, 'a', 1);
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INSERT INTO test.unsorted_collapsing VALUES (1, 'a', -1), (2, 'b', 1);
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INSERT INTO test.unsorted_collapsing VALUES (2, 'b', -1), (3, 'c', 1);
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SELECT * FROM test.unsorted_collapsing FINAL;
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SELECT '---';
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OPTIMIZE TABLE test.unsorted_collapsing PARTITION tuple() FINAL;
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SELECT * FROM test.unsorted_collapsing;
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DROP TABLE test.unsorted_collapsing;
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