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Re: index cannot be used when passing 'int' to 'varchar'
Posted by: Rick James
Date: June 11, 2012 11:27PM

> varchar can use the int index but int cannot use the varchar index
The rules for type conversion are rather complex and arbitrary.

If you want to discuss it further, please provide
SHOW CREATE TABLE
EXPLAIN SELECT ...

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index cannot be used when passing 'int' to 'varchar'
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liao zhifeng
June 10, 2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'
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Rick James
June 11, 2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'
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liao zhifeng
June 12, 2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'
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Rick James
June 12, 2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'
1488
liao zhifeng
June 12, 2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'
1253
Rick James
June 13, 2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'
1224
liao zhifeng
June 13, 2012 10:35PM


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