mirror of
https://github.com/ClickHouse/ClickHouse.git
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31 lines
872 B
SQL
31 lines
872 B
SQL
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CREATE TABLE src (x UInt8) ENGINE = Null;
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CREATE TABLE dst (x UInt8) ENGINE = Memory;
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CREATE MATERIALIZED VIEW mv_00508 TO dst AS SELECT * FROM src;
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INSERT INTO src VALUES (1), (2);
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SELECT * FROM mv_00508 ORDER BY x;
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-- Detach MV and see if the data is still readable
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DETACH TABLE mv_00508;
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SELECT * FROM dst ORDER BY x;
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USE default;
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-- Reattach MV (shortcut)
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ATTACH TABLE {CLICKHOUSE_DATABASE:Identifier}.mv_00508;
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INSERT INTO {CLICKHOUSE_DATABASE:Identifier}.src VALUES (3);
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SELECT * FROM {CLICKHOUSE_DATABASE:Identifier}.mv_00508 ORDER BY x;
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-- Drop the MV and see if the data is still readable
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DROP TABLE {CLICKHOUSE_DATABASE:Identifier}.mv_00508;
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SELECT * FROM {CLICKHOUSE_DATABASE:Identifier}.dst ORDER BY x;
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DROP TABLE {CLICKHOUSE_DATABASE:Identifier}.src;
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DROP TABLE {CLICKHOUSE_DATABASE:Identifier}.dst;
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DROP DATABASE {CLICKHOUSE_DATABASE:Identifier};
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