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26 lines
1.3 KiB
Plaintext
26 lines
1.3 KiB
Plaintext
-- { echoOn }
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SELECT 'Rows in parts', SUM(rows) FROM system.parts WHERE database = currentDatabase() AND table = 'lwd_test_02521' AND active;
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Rows in parts 100000
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SELECT 'Count', count() FROM lwd_test_02521;
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Count 100000
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DELETE FROM lwd_test_02521 WHERE id < 25000;
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SELECT 'Rows in parts', SUM(rows) FROM system.parts WHERE database = currentDatabase() AND table = 'lwd_test_02521' AND active;
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Rows in parts 100000
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SELECT 'Count', count() FROM lwd_test_02521;
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Count 50000
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ALTER TABLE lwd_test_02521 MODIFY TTL event_time + INTERVAL 1 MONTH SETTINGS mutations_sync = 1;
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SELECT 'Rows in parts', SUM(rows) FROM system.parts WHERE database = currentDatabase() AND table = 'lwd_test_02521' AND active;
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Rows in parts 50000
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SELECT 'Count', count() FROM lwd_test_02521;
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Count 25000
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ALTER TABLE lwd_test_02521 DELETE WHERE id >= 40000 SETTINGS mutations_sync = 1;
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SELECT 'Rows in parts', SUM(rows) FROM system.parts WHERE database = currentDatabase() AND table = 'lwd_test_02521' AND active;
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Rows in parts 40000
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SELECT 'Count', count() FROM lwd_test_02521;
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Count 15000
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OPTIMIZE TABLE lwd_test_02521 FINAL SETTINGS mutations_sync = 1;
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SELECT 'Rows in parts', SUM(rows) FROM system.parts WHERE database = currentDatabase() AND table = 'lwd_test_02521' AND active;
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Rows in parts 15000
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SELECT 'Count', count() FROM lwd_test_02521;
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Count 15000
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