mirror of
https://github.com/ClickHouse/ClickHouse.git
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18 lines
837 B
SQL
18 lines
837 B
SQL
CREATE TABLE main ( `id` String, `color` String, `section` String, `description` String) ENGINE = MergeTree ORDER BY tuple();
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CREATE TABLE destination_join ( `key` String, `id` String, `color` String, `section` String, `description` String) ENGINE = Join(ANY, LEFT, key);
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CREATE TABLE destination_set (`key` String) ENGINE = Set;
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CREATE MATERIALIZED VIEW mv_to_join TO `destination_join` AS SELECT concat(id, '_', color) AS key, * FROM main;
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CREATE MATERIALIZED VIEW mv_to_set TO `destination_set` AS SELECT key FROM destination_join;
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INSERT INTO main VALUES ('sku_0001','black','women','nice shirt');
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SELECT * FROM main;
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SELECT * FROM destination_join;
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SELECT * FROM destination_join WHERE key in destination_set;
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DROP TABLE mv_to_set;
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DROP TABLE destination_set;
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DROP TABLE mv_to_join;
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DROP TABLE destination_join;
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DROP TABLE main;
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