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3b2f9f5344
The query like "SELECT 1 WHERE 1=0" was returning a row despite unsatisfiable condition in WHERE. Now it returns an empty set.
41 lines
345 B
Plaintext
41 lines
345 B
Plaintext
--disable_warnings
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DROP DATABASE IF EXISTS MCOL4942;
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--enable_warnings
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CREATE DATABASE MCOL4942;
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USE MCOL4942;
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CREATE TABLE t1col (id INT) ENGINE=Columnstore;
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SELECT * FROM
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(
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SELECT ID
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FROM
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(
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SELECT 1 ID
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FROM
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t1col
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) V
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UNION ALL
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SELECT ID
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FROM
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(
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SELECT NULL ID WHERE 1111=2222
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) V
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) U;
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DROP DATABASE MCOL4942;
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