Fixed high-impact Windows 64bit warnings (at least 4000 of them)

sql/sql_class.h

@@ -768,7 +768,7 @@ public:
   Server_side_cursor *cursor;
 
   inline char *query() { return query_string.str; }
-  inline uint32 query_length() { return query_string.length; }
+  inline uint32 query_length() { return (uint32)query_string.length; }
   void set_query_inner(char *query_arg, uint32 query_length_arg);
 
   /**

sql/sql_join_cache.cc

@@ -1230,7 +1230,7 @@ uint JOIN_CACHE::write_record_data(uchar * link, bool *is_full)
 
   /* Make an adjustment for the size of the auxiliary buffer if there is any */
   uint incr= aux_buffer_incr(records);
-  ulong rem= rem_space();
+  size_t rem= rem_space();
   aux_buff_size+= len+incr < rem ? incr : rem;
 
   /*

sql/sql_join_cache.h

@@ -398,7 +398,7 @@ protected:
   virtual uint aux_buffer_incr(ulong recno);
 
   /* Shall calculate how much space is remaining in the join buffer */ 
-  virtual ulong rem_space() 
+  virtual size_t rem_space() 
   { 
     return max(buff_size-(end_pos-buff)-aux_buff_size,0);
   }
@@ -576,7 +576,7 @@ public:
   virtual int init();
 
   /* Get the current size of the cache join buffer */ 
-  ulong get_join_buffer_size() { return buff_size; }
+  size_t get_join_buffer_size() { return buff_size; }
   /* Set the size of the cache join buffer to a new value */
   void set_join_buffer_size(size_t sz) { buff_size= sz; }
 
@@ -921,7 +921,7 @@ protected:
     Calculate how much space in the buffer would not be occupied by
     records, key entries and additional memory for the MMR buffer.
   */ 
-  ulong rem_space() 
+  size_t rem_space() 
   { 
     return max(last_key_entry-end_pos-aux_buff_size,0);
   }

sql/sql_lifo_buffer.h

@@ -102,8 +102,8 @@ public:
   
   void sort(qsort2_cmp cmp_func, void *cmp_func_arg)
   {
-    uint elem_size= size1 + size2;
-    uint n_elements= used_size() / elem_size;
+    size_t elem_size= size1 + size2;
+    size_t n_elements= used_size() / elem_size;
     my_qsort2(used_area(), n_elements, elem_size, cmp_func, cmp_func_arg);
   }
 

sql/sql_select.cc

@@ -1706,7 +1706,7 @@ bool JOIN::shrink_join_buffers(JOIN_TAB *jt,
     cache= tab->cache;
     if (cache)
     { 
-      ulong buff_size;
+      size_t buff_size;
       if (needed_space < cache->get_min_join_buffer_size())
         return TRUE;
       if (cache->shrink_join_buffer_in_ratio(curr_space, needed_space))

sql/sql_string.h

@@ -363,7 +363,7 @@ public:
 
   void qs_append(const char *str)
   {
-    qs_append(str, strlen(str));
+    qs_append(str, (uint32)strlen(str));
   }
   void qs_append(const char *str, uint32 len);
   void qs_append(double d);