10 lines
278 B
Plaintext
10 lines
278 B
Plaintext
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DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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4201000
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SELECT COUNT(DISTINCT id) FROM t1 GROUP BY grp;
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# Begin cleanup
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SET session myisam_sort_buffer_size = @orig_myisam_sort_buffer_size;
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DROP TABLE t1;
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