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19 lines
764 B
SQL
19 lines
764 B
SQL
DROP TABLE IF EXISTS t_lightweight_deletes;
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CREATE TABLE t_lightweight_deletes (a UInt64) ENGINE = MergeTree ORDER BY a;
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INSERT INTO t_lightweight_deletes VALUES (1) (2) (3);
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DELETE FROM t_lightweight_deletes WHERE a = 1 SETTINGS lightweight_deletes_sync = 2;
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SELECT count() FROM t_lightweight_deletes;
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SELECT count() FROM system.mutations WHERE database = currentDatabase() AND table = 't_lightweight_deletes' AND NOT is_done;
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SYSTEM STOP MERGES t_lightweight_deletes;
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DELETE FROM t_lightweight_deletes WHERE a = 2 SETTINGS lightweight_deletes_sync = 0;
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SELECT count() FROM t_lightweight_deletes;
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SELECT count() FROM system.mutations WHERE database = currentDatabase() AND table = 't_lightweight_deletes' AND NOT is_done;
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DROP TABLE t_lightweight_deletes;
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