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21 lines
649 B
SQL
21 lines
649 B
SQL
DROP TABLE IF EXISTS t_data_version;
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CREATE TABLE t_data_version (a UInt64, b UInt64) ENGINE = MergeTree ORDER BY a;
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INSERT INTO t_data_version VALUES (1, 1);
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INSERT INTO t_data_version VALUES (2, 2);
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SELECT _part, _part_data_version, * FROM t_data_version ORDER BY a;
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ALTER TABLE t_data_version UPDATE b = a * 100 WHERE 1 SETTINGS mutations_sync = 2;
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SELECT _part, _part_data_version, * FROM t_data_version ORDER BY a;
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INSERT INTO t_data_version VALUES (3, 3);
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-- Check parts pruning.
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SELECT _part, _part_data_version, * FROM t_data_version WHERE _part_data_version = 4 ORDER BY a SETTINGS max_rows_to_read = 1;
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DROP TABLE t_data_version;
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