Merge mysql.com:/opt/local/work/mysql-4.1-root

into  mysql.com:/opt/local/work/mysql-5.0-root


BitKeeper/deleted/.del-rpl_ignore_table.result:
  Delete: mysql-test/r/rpl_ignore_table.result
BitKeeper/deleted/.del-rpl_multi_update4.result:
  Delete: mysql-test/r/rpl_multi_update4.result
BitKeeper/deleted/.del-rpl_ignore_table-slave.opt:
  Delete: mysql-test/t/rpl_ignore_table-slave.opt
BitKeeper/deleted/.del-rpl_ignore_table.test:
  Delete: mysql-test/t/rpl_ignore_table.test
BitKeeper/deleted/.del-rpl_multi_update4-slave.opt:
  Delete: mysql-test/t/rpl_multi_update4-slave.opt
BitKeeper/deleted/.del-disabled.def:
  Auto merged
BitKeeper/deleted/.del-rpl_multi_update4.test:
  Delete: mysql-test/t/rpl_multi_update4.test
heap/hp_create.c:
  Auto merged
mysql-test/r/date_formats.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/update.result:
  Auto merged
mysql-test/t/date_formats.test:
  Auto merged
mysql-test/t/heap.test:
  Auto merged
mysql-test/t/kill.test:
  Auto merged
mysql-test/t/update.test:
  Auto merged
ndb/include/mgmapi/mgmapi_config_parameters.h:
  Auto merged
ndb/test/ndbapi/testBlobs.cpp:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
configure.in:
  Manual merge.
libmysql/libmysql.c:
  Manual merge.
mysql-test/r/heap.result:
  Manual merge.
mysql-test/r/heap_hash.result:
  Manual merge.
mysql-test/r/kill.result:
  Manual merge.
sql/ha_heap.cc:
  Manual merge.
sql/ha_heap.h:
  Manual merge.
sql/item_timefunc.cc:
  Manual merge.
sql/sql_class.cc:
  Manual merge.
sql/sql_parse.cc:
  Manual merge.
sql/sql_update.cc:
  Manual merge.
tests/mysql_client_test.c:
  Manual merge.

1 files changed, 14 insertions, 0 deletions

diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 63d46934555..732956b63a6 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -6016,6 +6016,20 @@ void JOIN::cleanup(bool full)
       problems in free_elements() as some of the elements are then deleted.
     */
     tmp_table_param.copy_funcs.empty();
+    /*
+      If we have tmp_join and 'this' JOIN is not tmp_join and
+      tmp_table_param.copy_field's  of them are equal then we have to remove
+      pointer to  tmp_table_param.copy_field from tmp_join, because it qill
+      be removed in tmp_table_param.cleanup().
+    */
+    if (tmp_join &&
+        tmp_join != this &&
+        tmp_join->tmp_table_param.copy_field ==
+        tmp_table_param.copy_field)
+    {
+      tmp_join->tmp_table_param.copy_field=
+        tmp_join->tmp_table_param.save_copy_field= 0;
+    }
     tmp_table_param.cleanup();
   }
   DBUG_VOID_RETURN;