EOVERFLOW moved to my_base.h - it is used not only in strtod.c

error message corrected

include/my_base.h

@@ -28,6 +28,11 @@
 #include <my_sys.h>
 #include <m_string.h>
 #include <errno.h>
+
+#ifndef EOVERFLOW
+#define EOVERFLOW 84
+#endif
+
 #ifdef MSDOS
 #include <share.h>			/* Neaded for sopen() */
 #endif

mysql-test/r/variables.result

@@ -407,12 +407,12 @@ select @a, @b;
 @a	@b
 2	1
 set @@global.global.key_buffer_size= 1;
-ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size= 1' at line 1
 set GLOBAL global.key_buffer_size= 1;
-ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size= 1' at line 1
 SELECT @@global.global.key_buffer_size;
-ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1
 SELECT @@global.session.key_buffer_size;
-ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1
 SELECT @@global.local.key_buffer_size;
-ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use
+ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'key_buffer_size' at line 1

mysql-test/t/variables.test

@@ -289,13 +289,13 @@ select @a, @b;
 #
 # Bug#2586:Disallow global/session/local as structured var. instance names
 #
---error 1149
+--error 1064
 set @@global.global.key_buffer_size= 1;
---error 1149
+--error 1064
 set GLOBAL global.key_buffer_size= 1;
---error 1149
+--error 1064
 SELECT @@global.global.key_buffer_size;
---error 1149
+--error 1064
 SELECT @@global.session.key_buffer_size;
---error 1149
+--error 1064
 SELECT @@global.local.key_buffer_size;

sql/item_func.cc

@@ -2967,12 +2967,6 @@ Item *get_system_var(THD *thd, enum_var_type var_type, LEX_STRING name,
 			   (uint) strlen(server_version),
 			   system_charset_info);
 
-  if (name.str && component.str && check_reserved_words(&name))
-  {
-    net_printf(thd, ER_SYNTAX_ERROR);
-    return 0;
-  }
-
   Item *item;
   sys_var *var;
   char buff[MAX_SYS_VAR_LENGTH*2+4+8], *pos;

sql/sql_yacc.yy

@@ -2508,7 +2508,7 @@ simple_expr:
 	    $$= new Item_func_set_collation($1,
 					    new Item_string($3.str,
 							    $3.length,
-					    		    YYTHD->charset()));
+                                                            YYTHD->charset()));
 	  }
 	| literal
 	| param_marker
@@ -2524,6 +2524,12 @@ simple_expr:
 	  }
 	| '@' '@' opt_var_ident_type ident_or_text opt_component
 	  {
+
+            if ($4.str && $5.str && check_reserved_words(&$4))
+            {
+              yyerror(ER(ER_SYNTAX_ERROR));
+              YYABORT;
+            }
 	    if (!($$= get_system_var(YYTHD, (enum_var_type) $3, $4, $5)))
 	      YYABORT;
 	  }
@@ -5036,7 +5042,7 @@ internal_variable_name:
 	  {
             if (check_reserved_words(&$1))
             {
-              net_printf(YYTHD, ER_SYNTAX_ERROR);
+	      yyerror(ER(ER_SYNTAX_ERROR));
               YYABORT;
             }
 	    sys_var *tmp=find_sys_var($3.str, $3.length);

strings/strtod.c

@@ -29,10 +29,6 @@
 #include "my_base.h"				/* Includes errno.h */
 #include "m_ctype.h"
 
-#ifndef EOVERFLOW
-#define EOVERFLOW 84
-#endif
-
 static double scaler10[] = {
   1.0, 1e10, 1e20, 1e30, 1e40, 1e50, 1e60, 1e70, 1e80, 1e90
 };