Merge mysql.com:/home/my/mysql-4.1

into  mysql.com:/home/my/mysql-5.0

mysql-test/r/select.result

-drop table if exists t1,t2,t3,t4;
+drop table if exists t1,t2,t3,t4,t11;
 drop table if exists t1_1,t1_2,t9_1,t9_2,t1aa,t2aa;
 drop view if exists v1;
 CREATE TABLE t1 (
@@ -2656,6 +2656,51 @@ t11	MyISAM	10	Dynamic	0	0	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL
 select 123 as a from t1 where f1 is null;
 a
 drop table t1,t11;
+CREATE TABLE t1 (a INT, b INT);
+(SELECT a, b AS c FROM t1) ORDER BY c+1;
+a	c
+(SELECT a, b AS c FROM t1) ORDER BY b+1;
+a	c
+SELECT a, b AS c FROM t1 ORDER BY c+1;
+a	c
+SELECT a, b AS c FROM t1 ORDER BY b+1;
+a	c
+drop table t1;
+CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL, UNIQUE idx (a,b) );
+INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4);
+CREATE TABLE t2 ( a INT NOT NULL, b INT NOT NULL, c INT );
+INSERT INTO t2 VALUES ( 1,10,1), (1,10,2), (1,11,1), (1,11,2), (1,2,1), (1,2,2),
+(1,2,3);
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+1	10		2
+1	11		2
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t1.a, t1.b, c;
+a	b	c	d
+1	10		4
+1	2	1	1
+1	2	2	1
+1	2	3	1
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t2.a, t2.b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+1	10		2
+1	11		2
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2,t1
+WHERE t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+DROP TABLE IF EXISTS t1, t2;
 CREATE TABLE t1 ( city char(30) );
 INSERT INTO t1 VALUES ('London');
 INSERT INTO t1 VALUES ('Paris');
@@ -3065,26 +3110,18 @@ id
 102
 drop table t1, t2;
 drop view v1, v2, v3;
-create table a (
-id int(11) not null default '0'
-) engine=myisam default charset=latin1;
-insert into a values (123),(191),(192);
-create table b (
-id char(16) character set utf8 not null default ''
-) engine=myisam default charset=latin1;
-insert into b values ('58013'),('58014'),('58015'),('58016');
-create table c (
-a_id int(11) not null default '0',
-b_id char(16) character set utf8 default null
-) engine=myisam default charset=latin1;
-insert into c values
-(123,null),(123,null),(123,null),(123,null),(123,null),(123,'58013');
+create table t1 (id int(11) not null default '0');
+insert into t1 values (123),(191),(192);
+create table t2 (id char(16) character set utf8 not null);
+insert into t2 values ('58013'),('58014'),('58015'),('58016');
+create table t3 (a_id int(11) not null, b_id char(16) character set utf8);
+insert into t3 values (123,null),(123,null),(123,null),(123,null),(123,null),(123,'58013');
 select count(*)
-from a inner join (c left join b on b.id = c.b_id) on a.id = c.a_id;
+from t1 inner join (t3 left join t2 on t2.id = t3.b_id) on t1.id = t3.a_id;
 count(*)
 6
 select count(*)
-from a inner join (b right join c on b.id = c.b_id) on a.id = c.a_id;
+from t1 inner join (t2 right join t3 on t2.id = t3.b_id) on t1.id = t3.a_id;
 count(*)
 6
-drop table a, b, c;
+drop table t1,t2,t3;

mysql-test/t/select.test

@@ -2216,6 +2216,35 @@ insert into t1 values(1,""),(2,"");
 show table status like 't1%';
 select 123 as a from t1 where f1 is null;
 drop table t1,t11;
+
+# Bug 7672 Unknown column error in order clause
+#
+CREATE TABLE t1 (a INT, b INT);
+(SELECT a, b AS c FROM t1) ORDER BY c+1;
+(SELECT a, b AS c FROM t1) ORDER BY b+1;
+SELECT a, b AS c FROM t1 ORDER BY c+1;
+SELECT a, b AS c FROM t1 ORDER BY b+1;
+drop table t1;
+
+#
+# Bug #3874 (function in GROUP and LEFT JOIN)
+#
+
+CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL, UNIQUE idx (a,b) );
+INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4);
+CREATE TABLE t2 ( a INT NOT NULL, b INT NOT NULL, c INT );
+INSERT INTO t2 VALUES ( 1,10,1), (1,10,2), (1,11,1), (1,11,2), (1,2,1), (1,2,2),
+ (1,2,3);
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t1.a, t1.b, c;
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t2.a, t2.b, c;
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',c) AS c, COUNT(*) AS d FROM t2,t1
+WHERE t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+DROP TABLE IF EXISTS t1, t2;
+
 # End of 4.1 tests
 
 #

sql/slave.cc

@@ -4844,7 +4844,8 @@ Log_event* next_event(RELAY_LOG_INFO* rli)
         time_t save_timestamp= rli->last_master_timestamp;
         rli->last_master_timestamp= 0;
 
-	DBUG_ASSERT(rli->relay_log.get_open_count() == rli->cur_log_old_open_count);
+	DBUG_ASSERT(rli->relay_log.get_open_count() ==
+                    rli->cur_log_old_open_count);
 
         if (rli->ign_master_log_name_end[0])
         {
@@ -4854,13 +4855,13 @@ Log_event* next_event(RELAY_LOG_INFO* rli)
                                    0, rli->ign_master_log_pos_end,
                                    Rotate_log_event::DUP_NAME);
           rli->ign_master_log_name_end[0]= 0;
+          pthread_mutex_unlock(log_lock);
           if (unlikely(!ev))
           {
             errmsg= "Slave SQL thread failed to create a Rotate event "
               "(out of memory?), SHOW SLAVE STATUS may be inaccurate";
             goto err;
           }
-          pthread_mutex_unlock(log_lock);
           ev->server_id= 0; // don't be ignored by slave SQL thread
           DBUG_RETURN(ev);
         }

sql/sql_select.cc

@@ -5906,7 +5906,7 @@ eq_ref_table(JOIN *join, ORDER *start_order, JOIN_TAB *tab)
   tab->cached_eq_ref_table=1;
   if (tab->type == JT_CONST)			// We can skip const tables
     return (tab->eq_ref_table=1);		/* purecov: inspected */
-  if (tab->type != JT_EQ_REF)
+  if (tab->type != JT_EQ_REF || tab->table->maybe_null)
     return (tab->eq_ref_table=0);		// We must use this
   Item **ref_item=tab->ref.items;
   Item **end=ref_item+tab->ref.key_parts;

vio/vio.c

@@ -159,7 +159,7 @@ Vio *vio_new(my_socket sd, enum enum_vio_type type, uint flags)
       reports that the socket is set for non-blocking when it really will
       block.
     */
-    fcntl(sd, F_SETFL, vio->fcntl_mode);
+    fcntl(sd, F_SETFL, 0);
     vio->fcntl_mode= fcntl(sd, F_GETFL);
 #elif defined(HAVE_SYS_IOCTL_H)			/* hpux */
     /* Non blocking sockets doesn't work good on HPUX 11.0 */