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15 lines
254 B
SQL
15 lines
254 B
SQL
DROP TABLE IF EXISTS test_00681;
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CREATE TABLE test_00681(x Int32) ENGINE = Log;
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INSERT INTO test_00681 VALUES (123);
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SELECT a1
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FROM
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(
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SELECT x AS a1, x AS a2 FROM test_00681
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UNION ALL
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SELECT x, x FROM test_00681
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);
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DROP TABLE test_00681;
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