bk commit into 5.0 tree (jonas:1.2001) BUG#15682

[jonas]

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5.0 repository of jonas. When jonas does a push these changes will
be propagated to the main repository and, within 24 hours after the
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ChangeSet
  1.2001 05/12/14 15:09:12 jonas@stripped +3 -0
  bug#15682 - ndb
    incorrect handling of varchar in position/rnd_pos
  
    Commit for 5.0.17 release clone

  sql/ha_ndbcluster.cc
    1.223 05/12/14 15:09:09 jonas@stripped +19 -2
    bug#15682

  mysql-test/t/ndb_basic.test
    1.33 05/12/14 15:09:09 jonas@stripped +11 -0
    bug#15682

  mysql-test/r/ndb_basic.result
    1.32 05/12/14 15:09:09 jonas@stripped +16 -0
    bug#15682

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/mysql-5.0-release

--- 1.31/mysql-test/r/ndb_basic.result	2005-11-25 16:53:49 +01:00
+++ 1.32/mysql-test/r/ndb_basic.result	2005-12-14 15:09:09 +01:00
@@ -677,3 +677,19 @@
 a
 2
 drop table atablewithareallylongandirritatingname;
+create table t1 (f1 varchar(50), f2 text,f3 int, primary key(f1)) engine=NDB;
+insert into t1 (f1,f2,f3)VALUES("111111","aaaaaa",1);
+insert into t1 (f1,f2,f3)VALUES("222222","bbbbbb",2);
+select * from t1 order by f1;
+f1	f2	f3
+111111	aaaaaa	1
+222222	bbbbbb	2
+select * from t1 order by f2;
+f1	f2	f3
+111111	aaaaaa	1
+222222	bbbbbb	2
+select * from t1 order by f3;
+f1	f2	f3
+111111	aaaaaa	1
+222222	bbbbbb	2
+drop table t1;

--- 1.32/mysql-test/t/ndb_basic.test	2005-11-25 11:57:07 +01:00
+++ 1.33/mysql-test/t/ndb_basic.test	2005-12-14 15:09:09 +01:00
@@ -623,3 +623,14 @@
 insert into atablewithareallylongandirritatingname values (2);
 select * from atablewithareallylongandirritatingname;
 drop table atablewithareallylongandirritatingname;
+
+#
+# Bug#15682
+#
+create table t1 (f1 varchar(50), f2 text,f3 int, primary key(f1)) engine=NDB;
+insert into t1 (f1,f2,f3)VALUES("111111","aaaaaa",1);
+insert into t1 (f1,f2,f3)VALUES("222222","bbbbbb",2);
+select * from t1 order by f1;
+select * from t1 order by f2;
+select * from t1 order by f3;
+drop table t1;

--- 1.222/sql/ha_ndbcluster.cc	2005-11-25 11:57:07 +01:00
+++ 1.223/sql/ha_ndbcluster.cc	2005-12-14 15:09:09 +01:00
@@ -2812,8 +2812,25 @@
         }      
         *buff++= 0;
       }
-      memcpy(buff, record + key_part->offset, key_part->length);
-      buff += key_part->length;
+      size_t len = key_part->length;
+      const byte * ptr = record + key_part->offset;
+      Field *field = key_part->field;
+      if ((field->type() ==  MYSQL_TYPE_VARCHAR) &&
+	  ((Field_varstring*)field)->length_bytes == 1)
+      {
+	/** 
+	 * Keys always use 2 bytes length
+	 */
+	buff[0] = ptr[0];
+	buff[1] = 0;
+	memcpy(buff+2, ptr + 1, len);	
+	len += 2;
+      }
+      else
+      {
+	memcpy(buff, ptr, len);
+      }
+      buff += len;
     }
   } 
   else