Merge with 4.0.6

BitKeeper/etc/ignore:
  auto-union
acinclude.m4:
  Auto merged
configure.in:
  Auto merged
heap/hp_delete.c:
  Auto merged
heap/hp_scan.c:
  Auto merged
include/my_base.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_rnext_same.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/distinct.result:
  Auto merged
mysql-test/r/func_math.result:
  Auto merged
mysql-test/r/group_by.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/t/group_by.test:
  Auto merged
mysql-test/t/select.test:
  Auto merged
mysys/hash.c:
  Auto merged
sql/field.h:
  Auto merged
sql/field_conv.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/structs.h:
  Auto merged
sql/uniques.cc:
  Auto merged
strings/strto.c:
  Auto merged
vio/vio.c:
  Auto merged
BitKeeper/triggers/post-commit:
  Add changeset to commit messages
sql-bench/crash-me.sh:
  Use version from 4.0
sql-bench/server-cfg.sh:
  Use version from 4.0

1 files changed, 9 insertions, 8 deletions

diff --git a/sql/table.h b/sql/table.h
index 18079e183ce..149cc6bca13 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -118,21 +118,22 @@ struct st_table {
   table_map	map;                    /* ID bit of table (1,2,4,8,16...) */
   ulong		version,flush_version;
   uchar		*null_flags;
-  IO_CACHE	*io_cache;			/* If sorted trough file*/
-  byte		*record_pointers;		/* If sorted in memory */
-  ha_rows	found_records;			/* How many records in sort */
+  IO_CACHE	*io_cache;		/* If sorted trough filebyte		*record_pointers;	/* If sorted in memory */
+  ha_rows	found_records;		/* How many records in sort */
   ORDER		*group;
   ha_rows	quick_rows[MAX_KEY];
   uint		quick_key_parts[MAX_KEY];
   key_part_map  const_key_parts[MAX_KEY];
   ulong		query_id;
 
-  uint          temp_pool_slot;
-
+  union					/* Temporary variables */
+  {
+    uint        temp_pool_slot;		/* Used by intern temp tables */
+    struct st_table_list *pos_in_table_list;
+  };
   /* number of select if it is derived table */
   uint          derived_select_number;   
-
-  THD		*in_use;			/* Which thread uses this */
+  THD		*in_use;		/* Which thread uses this */
   struct st_table *next,*prev;
 };
 
@@ -161,10 +162,10 @@ typedef struct st_table_list
  GRANT_INFO	grant;
   thr_lock_type lock_type;
   uint		outer_join;		/* Which join type */
+  uint		shared;			/* Used in union or in multi-upd */
   uint32        db_length, real_name_length;
   bool		straight;		/* optimize with prev table */
   bool          updating;               /* for replicate-do/ignore table */
-  bool		shared;			/* Used twice in union */
   bool		do_redirect;		/* To get the struct in UNION's */
 } TABLE_LIST;