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23 lines
540 B
SQL
23 lines
540 B
SQL
DROP TABLE IF EXISTS data_01269;
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CREATE TABLE data_01269
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(
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key Int32,
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value Nullable(Int32),
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alias UInt8 ALIAS value>0
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)
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ENGINE = MergeTree()
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ORDER BY key;
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INSERT INTO data_01269 VALUES (1, 0);
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-- after PR#10441
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SELECT toTypeName(alias) FROM data_01269;
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SELECT any(alias) FROM data_01269;
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-- even without PR#10441
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ALTER TABLE data_01269 DROP COLUMN alias;
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ALTER TABLE data_01269 ADD COLUMN alias UInt8 ALIAS value>0;
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SELECT toTypeName(alias) FROM data_01269;
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SELECT any(alias) FROM data_01269;
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DROP TABLE data_01269;
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