CloseMysqlConnection closes mysql client connection.

ConfigToStruct converts a map to corresponding struct.

CreateMysqlConnection creates a new instance of mysql connection.

ExtractFromDDL extracts DDL information from statement.

GetTypeName returns type's name as string.

IntervalCheckTicker ensure things happen in intervalMS period so use a much smaller check interval than intervalMS to prevent the extreme near 2*intervalMS situation.

IsNil works around the famous issue https://stackoverflow.com/questions/13476349/check-for-nil-and-nil-interface-in-go.

milliseconds.