Merge branch 'mysql-5.1' into mysql-5.5

Author: Arun Kuruvila

sql/sql_acl.cc

@@ -1242,7 +1242,8 @@ static ulong get_access(TABLE *form, uint fieldnr, uint *next_field)
 /*
   Return a number which, if sorted 'desc', puts strings in this order:
     no wildcards
-    wildcards
+    strings containg wildcards and non-wildcard characters
+    single muilt-wildcard character('%')
     empty string
 */
 
@@ -1259,7 +1260,16 @@ static ulong get_sort(uint count,...)
   {
     char *start, *str= va_arg(args,char*);
     uint chars= 0;
-    uint wild_pos= 0;           /* first wildcard position */
+    uint wild_pos= 0;
+
+    /*
+      wild_pos
+        0                            if string is empty
+        1                            if string is a single muilt-wildcard
+                                     character('%')
+        first wildcard position + 1  if string containg wildcards and
+                                     non-wildcard characters
+    */
 
     if ((start= str))
     {
@@ -1270,6 +1280,8 @@ static ulong get_sort(uint count,...)
         else if (*str == wild_many || *str == wild_one)
         {
           wild_pos= (uint) (str - start) + 1;
+          if (!(wild_pos == 1 && *str == wild_many && *(++str) == '\0'))
+            wild_pos++;
           break;
         }
         chars= 128;                             // Marker that chars existed