Many files:

  Fix after manual merge

mysql-test/r/range.result

@@ -215,17 +215,6 @@ select count(*) from t1 where art = 'J';
 count(*)
 213
 drop table t1;
-create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
-insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
-(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
-(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
-(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
-(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
-(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
-(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
-select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
-id1	idnull
-drop table t1;
 create table t1 (x int, y int, index(x), index(y));
 insert into t1 (x) values (1),(2),(3),(4),(5),(6),(7),(8),(9);
 update t1 set y=x;
@@ -286,6 +275,17 @@ id
 5
 9
 drop table t1;
+create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
+insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
+(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
+(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
+(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
+(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
+(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
+(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
+select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
+id1	idnull
+drop table t1;
 create table t1 (
 id int not null auto_increment,
 name char(1) not null,

sql/handler.cc

@@ -1135,7 +1135,8 @@ int ha_key_cache(KEY_CACHE_VAR *key_cache)
   return 0;
 }
 
-
+int ha_resize_key_cache(KEY_CACHE_VAR *key_cache)
+{
   if (key_cache->cache)
   {
     pthread_mutex_lock(&LOCK_global_system_variables);

sql/mysql_priv.h

@@ -803,8 +803,7 @@ extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open,
        LOCK_error_log, LOCK_delayed_insert,
        LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
        LOCK_slave_list, LOCK_active_mi, LOCK_manager,
-       LOCK_global_system_variables, LOCK_user_conn;
-       LOCK_global_system_variables, LOCK_assign;
+       LOCK_global_system_variables, LOCK_user_conn, LOCK_assign;
 extern rw_lock_t	LOCK_grant;
 extern pthread_cond_t COND_refresh, COND_thread_count, COND_manager;
 extern pthread_attr_t connection_attrib;

sql/opt_range.cc

@@ -895,6 +895,12 @@ get_mm_parts(PARAM *param, Field *field, Item_func::Functype type,
   if (field->table != param->table)
     DBUG_RETURN(0);
 
+  if (type == Item_func::NE_FUNC)
+  {
+    ne_func= TRUE;
+    type= Item_func::LT_FUNC;
+  }
+
   KEY_PART *key_part = param->key_parts;
   KEY_PART *end = param->key_parts_end;
   SEL_TREE *tree=0;
@@ -934,7 +940,7 @@ get_mm_parts(PARAM *param, Field *field, Item_func::Functype type,
     SEL_TREE *tree2= get_mm_parts(param, field, Item_func::GT_FUNC,
                                   value, cmp_type);
     if (tree2)
-      tree= tree=tree_or(param,tree,tree2);
+      tree= tree_or(param,tree,tree2);
   }
   DBUG_RETURN(tree);
 }

sql/set_var.cc

@@ -1597,7 +1597,8 @@ void sys_var_collation_server::set_default(THD *thd, enum_var_type type)
 
 static LEX_STRING default_key_cache_base= {(char *) DEFAULT_KEY_CACHE_NAME, 7};
 
-static KEY_CACHE_VAR zero_key_cache= { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+static KEY_CACHE_VAR zero_key_cache=
+  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 
 static KEY_CACHE_VAR *get_key_cache(LEX_STRING *cache_name)
 {

sql/sql_base.cc

@@ -867,7 +867,7 @@ TABLE *open_table(THD *thd,const char *db,const char *table_name,
       }
       key_cache_asmt->key_length= key_length;
       key_cache_asmt->key_cache= &dflt_key_cache_var;  
-      VOID(hash_insert(&assign_cache, (byte *) key_cache_asmt));
+      VOID(my_hash_insert(&assign_cache, (byte *) key_cache_asmt));
       key_cache_asmt->requests++;     
     }
     key_cache_asmt->to_reassign= 0;

sql/sql_parse.cc

@@ -1906,7 +1906,8 @@ mysql_execute_command(THD *thd)
   case SQLCOM_ASSIGN_TO_KEYCACHE:
   {
     if (check_db_used(thd, tables) ||
-        check_access(thd, INDEX_ACL, tables->db, &tables->grant.privilege))
+        check_access(thd, INDEX_ACL, tables->db,
+                     &tables->grant.privilege, 0, 0))
       goto error;
     res = mysql_assign_to_keycache(thd, tables);
     break;
@@ -1914,7 +1915,8 @@ mysql_execute_command(THD *thd)
   case SQLCOM_PRELOAD_KEYS:
   {
     if (check_db_used(thd, tables) ||
-	check_access(thd, INDEX_ACL, tables->db, &tables->grant.privilege,0,0))
+	check_access(thd, INDEX_ACL, tables->db,
+                     &tables->grant.privilege, 0, 0))
       goto error; 
     res = mysql_preload_keys(thd, tables);
     break;