Merge mronstrom@bk-internal.mysql.com:/home/bk/mysql-5.0

into  c-8b0ae253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/mysql-5.1


BitKeeper/etc/config:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/information_schema_db.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysys/default.c:
  Auto merged
scripts/Makefile.am:
  Auto merged
scripts/mysql_create_system_tables.sh:
  Auto merged
scripts/mysql_fix_privilege_tables.sql:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_federated.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/slave.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
sql/tztime.cc:
  Auto merged
sql/unireg.cc:
  Auto merged
storage/innobase/buf/buf0buf.c:
  Auto merged
storage/innobase/include/os0file.h:
  Auto merged
storage/innobase/include/read0read.h:
  Auto merged
storage/innobase/include/read0types.h:
  Auto merged
storage/innobase/include/trx0trx.h:
  Auto merged
storage/innobase/os/os0file.c:
  Auto merged
storage/innobase/read/read0read.c:
  Auto merged
storage/innobase/row/row0sel.c:
  Auto merged
storage/innobase/srv/srv0srv.c:
  Auto merged
storage/innobase/srv/srv0start.c:
  Auto merged
storage/innobase/trx/trx0sys.c:
  Auto merged
storage/innobase/trx/trx0trx.c:
  Auto merged
storage/myisam/mi_create.c:
  Auto merged
storage/myisam/sort.c:
  Auto merged
storage/ndb/include/mgmapi/mgmapi.h:
  Auto merged
storage/ndb/include/mgmapi/mgmapi_config_parameters.h:
  Auto merged
storage/ndb/src/common/portlib/NdbMutex.c:
  Auto merged
storage/ndb/src/common/portlib/NdbThread.c:
  Auto merged
storage/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtup/DbtupGen.cpp:
  Auto merged
storage/ndb/src/mgmapi/mgmapi.cpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  Auto merged
storage/ndb/src/mgmsrv/ConfigInfo.hpp:
  Auto merged
strings/ctype-big5.c:
  Auto merged
strings/ctype-ucs2.c:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
configure.in:
  Manual merge 5.0 -> 5.1
mysql-test/t/alter_table.test:
  Manual merge 5.0 -> 5.1
sql/share/errmsg.txt:
  Manual merge 5.0 -> 5.1
storage/ndb/tools/Makefile.am:
  Manual merge 5.0 -> 5.1

1 files changed, 12 insertions, 2 deletions

diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h
index 146730d46f8..a3ef755348c 100644
--- a/storage/innobase/include/trx0trx.h
+++ b/storage/innobase/include/trx0trx.h
@@ -602,8 +602,18 @@ struct trx_struct{
 	UT_LIST_BASE_NODE_T(lock_t) 
 			trx_locks;	/* locks reserved by the transaction */
 	/*------------------------------*/
-	mem_heap_t*	read_view_heap;	/* memory heap for the read view */
-	read_view_t*	read_view;	/* consistent read view or NULL */
+	mem_heap_t*	global_read_view_heap;	
+					/* memory heap for the global read 
+					view */
+	read_view_t*	global_read_view;
+					/* consistent read view associated
+					to a transaction or NULL */
+	read_view_t*	read_view;	/* consistent read view used in the
+					transaction or NULL, this read view
+					if defined can be normal read view 
+					associated to a transaction (i.e. 
+					same as global_read_view) or read view
+					associated to a cursor */
 	/*------------------------------*/
 	UT_LIST_BASE_NODE_T(trx_named_savept_t) 
 			trx_savepoints;	/* savepoints set with SAVEPOINT ...,