do not show length in bigint and log should be fulshed

parser/stringify.hh

@@ -162,6 +162,7 @@ operator<<(std::ostream &out, Create_field &f)
     case MYSQL_TYPE_INT24:
     case MYSQL_TYPE_LONG:
     case MYSQL_TYPE_LONGLONG:
+            break;//shaoyiwen omit length here
     case MYSQL_TYPE_STRING:
         if (f.length)
             out << "(" << f.length << ")";

util/log.cc

@@ -10,6 +10,7 @@ logToFile::logToFile(std::string filename){
 logToFile&
 logToFile::operator<<(std::string record) {
     fwrite(record.c_str(),1,record.size(),logfileHandler);
+    fflush(logfileHandler);
     return *this;
 }