naoki-iwami/ermaster-b — pull request #2 by jflute (2013-06-26 12:45:04+00:00)
Title: Remove FK check off of MySQL when all drop DDLs are off

When DDL export for MySQL, statement of FK check off is valid even if all drop DDL off.
So remove it when all drop DDLs are off.
(However, basically the check might be unnecessary...)