Fixes during review of new code

- Mostly indentation fixes
- Added missing test
- Ensure that Item_func_case() checks for stack overruns
- Use real_item() instead of (Item_ref*) item
- Fixed wrong error handling


myisam/mi_unique.c:
  Improved comments
myisam/myisampack.c:
  Updated version number
mysql-test/r/group_by.result:
  Added test that was lost during earlier merge
mysql-test/r/information_schema.result:
  Safety fix: Drop procedures before used
mysql-test/t/group_by.test:
  Added test that was lost during earlier merge
mysql-test/t/information_schema.test:
  Safety fix: Drop procedures before used
mysys/hash.c:
  Updated comment
sql/field.cc:
  false -> FALSE
sql/ha_ndbcluster.cc:
  Fix some style issues
  - No () around argument to 'case'
  - Space before ( in switch and if
  - Removed 'goto'
  - Added {}
  - Added () to make expressions easier to read
  - my_snprintf -> strmov
sql/handler.cc:
  if( -> if (
sql/item.cc:
  Indentation changes
sql/item.h:
  false -> FALSE
sql/item_cmpfunc.cc:
  Ensure that Item_func_case() check for stack overrun properly
sql/item_cmpfunc.h:
  Ensure that Item_func_case() check for stack overrun properly
sql/item_func.cc:
  Indentation fixes
  Fixed wrong goto label
sql/mysqld.cc:
  Remove test for opt_disable_networking as this flag can never be set here
sql/opt_range.cc:
  Simplify code
sql/sql_class.h:
  Move define out from middle of class definition
sql/sql_parse.cc:
  Remove extra empty lines
sql/sql_select.cc:
  use real_item() instead of (Item_ref*) item
  Modifed function comment to be align with others
  Simple optimization
sql/sql_union.cc:
  Portability fix:
  Don't use 'bool_variable|=...'
sql/sql_view.cc:
  Move List_iterator_fast out from loops (rewind is faster than creating a new itearator)
strings/ctype-utf8.c:
  if( -> if (
strings/ctype.c:
  Remove disabled code
strings/decimal.c:
  Indentation fixes
strings/xml.c:
  Indentation fixes

sql/sql_view.cc

@@ -58,13 +58,13 @@ static void make_unique_view_field_name(Item *target,
   char *name= (target->orig_name ?
                target->orig_name :
                target->name);
-  uint name_len;
-  uint attempt= 0;
+  uint name_len, attempt;
   char buff[NAME_LEN+1];
-  for (;; attempt++)
+  List_iterator_fast<Item> itc(item_list);
+
+  for (attempt= 0;; attempt++)
   {
     Item *check;
-    List_iterator_fast<Item> itc(item_list);
     bool ok= TRUE;
 
     if (attempt)
@@ -84,6 +84,7 @@ static void make_unique_view_field_name(Item *target,
     } while (check != last_element);
     if (ok)
       break;
+    itc.rewind();
   }
 
   target->orig_name= target->name;
@@ -305,13 +306,14 @@ bool mysql_create_view(THD *thd,
   {
     Item *item;
     List_iterator_fast<Item> it(select_lex->item_list);
+    List_iterator_fast<Item> itc(select_lex->item_list);
     while ((item= it++))
     {
       Item *check;
-      List_iterator_fast<Item> itc(select_lex->item_list);
       /* treat underlying fields like set by user names */
       if (item->real_item()->type() == Item::FIELD_ITEM)
         item->is_autogenerated_name= FALSE;
+      itc.rewind();
       while ((check= itc++) && check != item)
       {
         if (my_strcasecmp(system_charset_info, item->name, check->name) == 0)
@@ -822,6 +824,7 @@ mysql_make_view(File_parser *parser, TABLE_LIST *table)
          old_lex->can_use_merged()) &&
         !old_lex->can_not_use_merged())
     {
+      List_iterator_fast<TABLE_LIST> ti(view_select->top_join_list);
       /* lex should contain at least one table */
       DBUG_ASSERT(view_tables != 0);
 
@@ -852,13 +855,11 @@ mysql_make_view(File_parser *parser, TABLE_LIST *table)
         nested_join->join_list= view_select->top_join_list;
 
         /* re-nest tables of VIEW */
+        ti.rewind();
+        while ((tbl= ti++))
         {
-          List_iterator_fast<TABLE_LIST> ti(nested_join->join_list);
-          while ((tbl= ti++))
-          {
-            tbl->join_list= &nested_join->join_list;
-            tbl->embedding= table;
-          }
+          tbl->join_list= &nested_join->join_list;
+          tbl->embedding= table;
         }
       }