README should tell that:

• 1 is returned when query succeeds and result set is not empty
• 2 is returned when query succeeds but result set is not empty
• 3 is returned when result set is not empty, but result param was not given
• -1 is returned in case of error

—
You are receiving this because you are subscribed to this thread.
Reply to this email directly, view it on GitHub, or unsubscribe.