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31 lines
1.0 KiB
SQL
31 lines
1.0 KiB
SQL
DROP TABLE IF EXISTS test;
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CREATE TABLE test (i UInt64) Engine = MergeTree() order by i;
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INSERT INTO test SELECT number FROM numbers(100);
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INSERT INTO test SELECT number FROM numbers(10,100);
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OPTIMIZE TABLE test FINAL;
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-- Only set limit
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SET limit = 5;
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SELECT * FROM test; -- 5 rows
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SELECT * FROM test OFFSET 20; -- 5 rows
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SELECT * FROM (SELECT i FROM test LIMIT 10 OFFSET 50) TMP; -- 5 rows
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SELECT * FROM test LIMIT 4 OFFSET 192; -- 4 rows
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SELECT * FROM test LIMIT 10 OFFSET 195; -- 5 rows
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-- Only set offset
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SET limit = 0;
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SET offset = 195;
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SELECT * FROM test; -- 5 rows
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SELECT * FROM test OFFSET 20; -- no result
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SELECT * FROM test LIMIT 100; -- no result
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SET offset = 10;
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SELECT * FROM test LIMIT 20 OFFSET 100; -- 10 rows
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SELECT * FROM test LIMIT 11 OFFSET 100; -- 1 rows
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-- offset and limit together
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SET limit = 10;
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SELECT * FROM test LIMIT 50 OFFSET 50; -- 10 rows
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SELECT * FROM test LIMIT 50 OFFSET 190; -- 0 rows
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SELECT * FROM test LIMIT 50 OFFSET 185; -- 5 rows
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SELECT * FROM test LIMIT 18 OFFSET 5; -- 8 rows
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