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42 lines
1.9 KiB
SQL
42 lines
1.9 KiB
SQL
SET optimize_move_to_prewhere = 1;
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SET enable_multiple_prewhere_read_steps = 1;
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DROP TABLE IF EXISTS t_02156_mt1;
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DROP TABLE IF EXISTS t_02156_mt2;
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DROP TABLE IF EXISTS t_02156_log;
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DROP TABLE IF EXISTS t_02156_dist;
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DROP TABLE IF EXISTS t_02156_merge1;
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DROP TABLE IF EXISTS t_02156_merge2;
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DROP TABLE IF EXISTS t_02156_merge3;
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CREATE TABLE t_02156_mt1 (k UInt32, v String) ENGINE = MergeTree ORDER BY k SETTINGS min_bytes_for_wide_part=0;
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CREATE TABLE t_02156_mt2 (k UInt32, v String) ENGINE = MergeTree ORDER BY k SETTINGS min_bytes_for_wide_part=0;
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CREATE TABLE t_02156_log (k UInt32, v String) ENGINE = Log;
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CREATE TABLE t_02156_dist (k UInt32, v String) ENGINE = Distributed(test_shard_localhost, currentDatabase(), t_02156_mt1);
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CREATE TABLE t_02156_merge1 (k UInt32, v String) ENGINE = Merge(currentDatabase(), 't_02156_mt1|t_02156_mt2');
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CREATE TABLE t_02156_merge2 (k UInt32, v String) ENGINE = Merge(currentDatabase(), 't_02156_mt1|t_02156_log');
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CREATE TABLE t_02156_merge3 (k UInt32, v String) ENGINE = Merge(currentDatabase(), 't_02156_mt2|t_02156_dist');
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INSERT INTO t_02156_mt1 SELECT number, toString(number) FROM numbers(10000);
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INSERT INTO t_02156_mt2 SELECT number, toString(number) FROM numbers(10000);
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INSERT INTO t_02156_log SELECT number, toString(number) FROM numbers(10000);
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EXPLAIN SYNTAX SELECT count() FROM t_02156_merge1 WHERE k = 3 AND notEmpty(v);
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SELECT count() FROM t_02156_merge1 WHERE k = 3 AND notEmpty(v);
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EXPLAIN SYNTAX SELECT count() FROM t_02156_merge2 WHERE k = 3 AND notEmpty(v);
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SELECT count() FROM t_02156_merge2 WHERE k = 3 AND notEmpty(v);
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EXPLAIN SYNTAX SELECT count() FROM t_02156_merge3 WHERE k = 3 AND notEmpty(v);
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SELECT count() FROM t_02156_merge3 WHERE k = 3 AND notEmpty(v);
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DROP TABLE IF EXISTS t_02156_mt1;
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DROP TABLE IF EXISTS t_02156_mt2;
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DROP TABLE IF EXISTS t_02156_log;
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DROP TABLE IF EXISTS t_02156_dist;
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DROP TABLE IF EXISTS t_02156_merge1;
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DROP TABLE IF EXISTS t_02156_merge2;
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DROP TABLE IF EXISTS t_02156_merge3;
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