Change mysql commands into postgres commands.
Change mysql commands into postgres commands.

theanh/46e6e8d89d8d9c7fcd04bf0ca78b5b1d,theanh/46e6e8d89d8d9c7fcd04bf0ca78b5b1d,theanh/46e6e8d89d8d9c7fcd04bf0ca78b5b1d