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13 lines
468 B
MySQL
13 lines
468 B
MySQL
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DROP TABLE IF EXISTS test.alter;
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CREATE TABLE test.alter (`boolean_false` Nullable(String)) ENGINE = MergeTree ORDER BY tuple();
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INSERT INTO test.alter (`boolean_false`) VALUES (NULL), (''), ('123');
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SELECT * FROM test.alter;
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SELECT * FROM test.alter ORDER BY boolean_false NULLS LAST;
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ALTER TABLE test.alter MODIFY COLUMN `boolean_false` Nullable(UInt8);
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SELECT * FROM test.alter;
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SELECT * FROM test.alter ORDER BY boolean_false NULLS LAST;
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DROP TABLE test.alter;
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