Use mysql types to avoid conversions

Author: tamird

ext/mysql2/result.c

@@ -1,10 +1,8 @@
 #include <mysql2_ext.h>
 
-#include <stdint.h>
-
-#ifdef HAVE_RUBY_ENCODING_H
 #include "mysql_enc_to_ruby.h"
 
+#ifdef HAVE_RUBY_ENCODING_H
 static rb_encoding *binaryEncoding;
 #endif
 
@@ -764,7 +762,7 @@ static VALUE rb_mysql_result_fetch_fields(VALUE self) {
     wrapper->fields = rb_ary_new2(wrapper->numberOfFields);
   }
 
-  if ((unsigned)RARRAY_LEN(wrapper->fields) != wrapper->numberOfFields) {
+  if ((my_ulonglong)RARRAY_LEN(wrapper->fields) != wrapper->numberOfFields) {
     for (i=0; i<wrapper->numberOfFields; i++) {
       rb_mysql_result_fetch_field(self, i, symbolizeKeys);
     }

ext/mysql2/result.h

@@ -10,8 +10,8 @@ typedef struct {
   VALUE client;
   VALUE encoding;
   VALUE statement;
-  unsigned int numberOfFields;
-  unsigned long numberOfRows;
+  my_ulonglong numberOfFields;
+  my_ulonglong numberOfRows;
   unsigned long lastRowProcessed;
   char is_streaming;
   char streamingComplete;