converts the extensions for
files to their canonical forms. It looks for files with extensions matching any lettercase variant of
.ism and renames them to have extensions
.ISM, respectively. This can be useful
after transferring the files from a system with case-insensitive file names (such as Windows) to a system with
case-sensitive file names.
Invoke mysql_fix_extensions like this, where
data_dir is the path name to the MySQL data directory.