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32 lines
780 B
SQL
32 lines
780 B
SQL
DROP TABLE IF EXISTS test;
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DROP TABLE IF EXISTS mv_bad;
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DROP TABLE IF EXISTS mv_good;
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DROP TABLE IF EXISTS mv_group;
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CREATE TABLE test (x String) ENGINE = Null;
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create MATERIALIZED VIEW mv_bad (x String)
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ENGINE = MergeTree Partition by tuple() order by tuple()
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AS SELECT DISTINCT x FROM test;
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create MATERIALIZED VIEW mv_good (x String)
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ENGINE = MergeTree Partition by tuple() order by tuple()
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AS SELECT x FROM test;
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create MATERIALIZED VIEW mv_group (x String)
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ENGINE = MergeTree Partition by tuple() order by tuple()
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AS SELECT x FROM test group by x;
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insert into test values ('stest'), ('stest');
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select * from mv_bad;
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SELECT '---';
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select * from mv_good;
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SELECT '---';
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select * from mv_group;
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DROP TABLE mv_bad;
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DROP TABLE mv_good;
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DROP TABLE mv_group;
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DROP TABLE test;
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