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46 lines
1.7 KiB
SQL
46 lines
1.7 KiB
SQL
DROP TABLE IF EXISTS lwd_test_02521;
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CREATE TABLE lwd_test_02521 (id UInt64, value String, event_time DateTime)
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ENGINE MergeTree()
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ORDER BY id
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SETTINGS min_bytes_for_wide_part = 0;
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INSERT INTO lwd_test_02521 SELECT number, randomString(10), now() - INTERVAL 2 MONTH FROM numbers(50000);
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INSERT INTO lwd_test_02521 SELECT number, randomString(10), now() FROM numbers(50000);
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OPTIMIZE TABLE lwd_test_02521 FINAL SETTINGS mutations_sync = 1;
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SET mutations_sync=1;
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SET allow_experimental_lightweight_delete = 1;
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-- { 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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SELECT 'Count', count() FROM lwd_test_02521;
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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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SELECT 'Count', count() FROM lwd_test_02521;
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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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SELECT 'Count', count() FROM lwd_test_02521;
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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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SELECT 'Count', count() FROM lwd_test_02521;
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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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SELECT 'Count', count() FROM lwd_test_02521;
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-- { echoOff }
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DROP TABLE lwd_test_02521; |