maybe_drop_column()
Function: Drops column from database table, if it exists.
Source: wp-admin/install-helper.php:123
check_column()
Function: Checks that database table column matches the criteria.
Source: wp-admin/install-helper.php:174
Function: Drops column from database table, if it exists.
Source: wp-admin/install-helper.php:123
Function: Checks that database table column matches the criteria.
Source: wp-admin/install-helper.php:174