BUG#13926: --order-by-primary fails if PKEY contains quote character.

Backporting from 5.0


mysql-test/r/mysqldump.result:
  Adding test case
mysql-test/t/mysqldump.test:
  Adding test case

client/mysqldump.c

@@ -2589,6 +2589,8 @@ static char *primary_key_fields(const char *table_name)
   char show_keys_buff[15 + 64 * 2 + 3];
   uint result_length = 0;
   char *result = 0;
+  char buff[NAME_LEN * 2 + 3];
+  char *quoted_field;
 
   my_snprintf(show_keys_buff, sizeof(show_keys_buff), 
 	      "SHOW KEYS FROM %s", table_name);
@@ -2612,8 +2614,10 @@ static char *primary_key_fields(const char *table_name)
   {
     /* Key is unique */
     do
-      result_length += strlen(row[4]) + 1;      /* + 1 for ',' or \0 */
-    while ((row = mysql_fetch_row(res)) && atoi(row[3]) > 1);
+    {
+      quoted_field= quote_name(row[4], buff, 0);
+      result_length+= strlen(quoted_field) + 1; /* + 1 for ',' or \0 */
+    } while ((row= mysql_fetch_row(res)) && atoi(row[3]) > 1);
   }
 
   /* Build the ORDER BY clause result */
@@ -2627,9 +2631,13 @@ static char *primary_key_fields(const char *table_name)
     }
     mysql_data_seek(res, 0);
     row = mysql_fetch_row(res);
-    end = strmov(result, row[4]);
-    while ((row = mysql_fetch_row(res)) && atoi(row[3]) > 1)
-      end = strxmov(end, ",", row[4], NullS);
+    quoted_field= quote_name(row[4], buff, 0);
+    end= strmov(result, quoted_field);
+    while ((row= mysql_fetch_row(res)) && atoi(row[3]) > 1)
+    {
+      quoted_field= quote_name(row[4], buff, 0);
+      end= strxmov(end, ",", quoted_field, NullS);
+    }
   }
 
 cleanup:

mysql-test/r/mysqldump.result

@@ -1584,4 +1584,66 @@ CREATE TABLE `t1` (
 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
 
 drop table t1;
+CREATE TABLE `t1` (
+`a b` INT,
+`c"d` INT,
+`e``f` INT,
+PRIMARY KEY (`a b`, `c"d`, `e``f`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+insert into t1 values (0815, 4711, 2006);
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO,ANSI' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+DROP TABLE IF EXISTS "t1";
+CREATE TABLE "t1" (
+  "a b" int(11) NOT NULL default '0',
+  "c""d" int(11) NOT NULL default '0',
+  "e`f" int(11) NOT NULL default '0',
+  PRIMARY KEY  ("a b","c""d","e`f")
+);
+
+LOCK TABLES "t1" WRITE;
+/*!40000 ALTER TABLE "t1" DISABLE KEYS */;
+INSERT INTO "t1" VALUES (815,4711,2006);
+/*!40000 ALTER TABLE "t1" ENABLE KEYS */;
+UNLOCK TABLES;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8 */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+DROP TABLE IF EXISTS `t1`;
+CREATE TABLE `t1` (
+  `a b` int(11) NOT NULL default '0',
+  `c"d` int(11) NOT NULL default '0',
+  `e``f` int(11) NOT NULL default '0',
+  PRIMARY KEY  (`a b`,`c"d`,`e``f`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+
+LOCK TABLES `t1` WRITE;
+/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
+INSERT INTO `t1` VALUES (815,4711,2006);
+/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
+UNLOCK TABLES;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+
+DROP TABLE `t1`;
 End of 4.1 tests

mysql-test/t/mysqldump.test

@@ -702,4 +702,19 @@ create table t1 (a int);
 --exec $MYSQL_DUMP --skip-comments --force test t1 --where='xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' 2>&1
 drop table t1;
 
+#
+# BUG#13926: --order-by-primary fails if PKEY contains quote character
+#
+CREATE TABLE `t1` (
+  `a b` INT,
+  `c"d` INT,
+  `e``f` INT,
+  PRIMARY KEY (`a b`, `c"d`, `e``f`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+insert into t1 values (0815, 4711, 2006);
+
+--exec $MYSQL_DUMP --skip-comments --compatible=ansi --order-by-primary test t1
+--exec $MYSQL_DUMP --skip-comments --order-by-primary test t1
+DROP TABLE `t1`;
+
 --echo End of 4.1 tests