Andrew Dixon wrote:

> And it does automatically change a char(32) to varchar(32), tested on 4.0.20.

"If any column in a table has a variable length, the entire row
becomes variable-length as a result. Therefore, if a table
contains any variable-length columns (VARCHAR, TEXT, or BLOB),
all CHAR columns longer than three characters are changed to
VARCHAR columns."
http://dev.mysql.com/doc/mysql/en/Silent_column_changes.html

Jochem
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