mirror of
https://github.com/ClickHouse/ClickHouse.git
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33 lines
1014 B
SQL
33 lines
1014 B
SQL
DROP TABLE IF EXISTS dst_00753;
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DROP TABLE IF EXISTS buffer_00753;
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SET send_logs_level = 'error';
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CREATE TABLE dst_00753 (x UInt64, y UInt64) ENGINE = MergeTree ORDER BY tuple();
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CREATE TABLE buffer_00753 (x UInt64, y UInt64) ENGINE = Buffer(currentDatabase(), dst_00753, 1, 99999, 99999, 1, 1, 99999, 99999);
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INSERT INTO buffer_00753 VALUES (1, 100);
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INSERT INTO buffer_00753 VALUES (2, 200);
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INSERT INTO buffer_00753 VALUES (3, 300);
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SELECT 'init';
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SELECT * FROM dst_00753 ORDER BY x;
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SELECT '-';
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SELECT * FROM buffer_00753 ORDER BY x;
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ALTER TABLE dst_00753 DROP COLUMN x, MODIFY COLUMN y String, ADD COLUMN z String DEFAULT 'DEFZ';
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INSERT INTO buffer_00753 VALUES (4, 400);
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SELECT 'alt';
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SELECT * FROM dst_00753 ORDER BY y;
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SELECT '-';
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SELECT * FROM buffer_00753 ORDER BY y;
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OPTIMIZE TABLE buffer_00753;
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SELECT 'opt';
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SELECT * FROM dst_00753 ORDER BY y;
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SELECT '-';
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SELECT * FROM buffer_00753 ORDER BY y;
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SET send_logs_level = 'warning';
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DROP TABLE IF EXISTS dst_00753;
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DROP TABLE IF EXISTS buffer_00753;
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