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CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB;
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ALTER TABLE bug44571 CHANGE foo bar INT;
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ALTER TABLE bug44571 ADD INDEX bug44571b (foo);
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ERROR 42000: Key column 'foo' doesn't exist in table
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ALTER TABLE bug44571 ADD INDEX bug44571c (bar);
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DROP INDEX bug44571c ON bug44571;
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CREATE INDEX bug44571c ON bug44571 (bar);