merged

innobase/srv/srv0srv.c

@@ -1677,11 +1677,13 @@ srv_lock_timeout_and_monitor_thread(
 		srv_printf_innodb_monitor(stderr);
 	    }
 
-	    mutex_enter(&srv_monitor_file_mutex);
-	    rewind(srv_monitor_file);
-	    srv_printf_innodb_monitor(srv_monitor_file);
-	    os_file_set_eof(srv_monitor_file);
-	    mutex_exit(&srv_monitor_file_mutex);
+	    if (srv_innodb_status) {
+		mutex_enter(&srv_monitor_file_mutex);
+		rewind(srv_monitor_file);
+		srv_printf_innodb_monitor(srv_monitor_file);
+		os_file_set_eof(srv_monitor_file);
+		mutex_exit(&srv_monitor_file_mutex);
+	    }
 
 	    if (srv_print_innodb_tablespace_monitor
 		&& difftime(current_time, last_table_monitor_time) > 60) {

mysql-test/r/select.result

@@ -2369,3 +2369,41 @@ EXPLAIN SELECT i FROM t1 WHERE i=1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
 DROP TABLE t1;
+create table t1 (a integer,  b integer, index(a), index(b));
+create table t2 (c integer,  d integer, index(c), index(d));
+insert into t1 values (1,2), (2,2), (3,2), (4,2);
+insert into t2 values (1,3), (2,3), (3,4), (4,4);
+explain select * from t1 left join t2 on a=c where d in (4);
+table	type	possible_keys	key	key_len	ref	rows	Extra
+t2	ref	c,d	d	5	const	2	Using where
+t1	ALL	a	NULL	NULL	NULL	3	Using where
+select * from t1 left join t2 on a=c where d in (4);
+a	b	c	d
+3	2	3	4
+4	2	4	4
+explain select * from t1 left join t2 on a=c where d = 4;
+table	type	possible_keys	key	key_len	ref	rows	Extra
+t2	ref	c,d	d	5	const	2	Using where
+t1	ALL	a	NULL	NULL	NULL	3	Using where
+select * from t1 left join t2 on a=c where d = 4;
+a	b	c	d
+3	2	3	4
+4	2	4	4
+drop table t1, t2;
+CREATE TABLE t1 (
+i int(11) NOT NULL default '0',
+c char(10) NOT NULL default '',
+PRIMARY KEY  (i),
+UNIQUE KEY c (c)
+) TYPE=MyISAM;
+INSERT INTO t1 VALUES (1,'a');
+INSERT INTO t1 VALUES (2,'b');
+INSERT INTO t1 VALUES (3,'c');
+EXPLAIN SELECT i FROM t1 WHERE i=1;
+table	type	possible_keys	key	key_len	ref	rows	Extra
+t1	const	PRIMARY	PRIMARY	4	const	1	Using index
+EXPLAIN SELECT i FROM t1 WHERE i=1;
+table	type	possible_keys	key	key_len	ref	rows	Extra
+t1	const	PRIMARY	PRIMARY	4	const	1	Using index
+>>>>>>>
+DROP TABLE t1;

mysql-test/t/select.test

@@ -1898,6 +1898,20 @@ select * from t1,t2 where t1.s = t2.s;
 select * from t2,t3 where t2.s = t3.s;
 drop table t1, t2, t3;
 
+#
+# Bug #3759
+# Both queries should produce identical plans and results.
+#
+create table t1 (a integer,  b integer, index(a), index(b));
+create table t2 (c integer,  d integer, index(c), index(d));
+insert into t1 values (1,2), (2,2), (3,2), (4,2);
+insert into t2 values (1,3), (2,3), (3,4), (4,4);
+explain select * from t1 left join t2 on a=c where d in (4);
+select * from t1 left join t2 on a=c where d in (4);
+explain select * from t1 left join t2 on a=c where d = 4;
+select * from t1 left join t2 on a=c where d = 4;
+drop table t1, t2;
+
 #
 # Covering index is mentioned in EXPLAIN output for const tables (bug #5333)
 #

scripts/mysql_fix_privilege_tables.sh

@@ -115,7 +115,7 @@ then
   password=$old_style_password
 fi
 
-cmd="$bindir/mysql -f --user=$user --host=$host"
+cmd="$bindir/mysql --no-defaults --force --user=$user --host=$host"
 if test ! -z "$password" ; then
   cmd="$cmd --password=$password"
 fi

sql/item_cmpfunc.cc

@@ -735,7 +735,7 @@ void Item_func_interval::fix_length_and_dec()
   maybe_null= 0;
   max_length= 2;
   used_tables_cache|= row->used_tables();
-  not_null_tables_cache&= row->not_null_tables();
+  not_null_tables_cache= row->not_null_tables();
   with_sum_func= with_sum_func || row->with_sum_func;
   const_item_cache&= row->const_item();
 }

sql/slave.cc

@@ -1820,7 +1820,8 @@ int init_master_info(MASTER_INFO* mi, const char* master_info_fname,
       position is at the beginning of the file, and will read the
       "signature" and then fast-forward to the last position read.
     */
-    if (thread_mask & SLAVE_SQL) {
+    if (thread_mask & SLAVE_SQL)
+    {
       my_b_seek(mi->rli.cur_log, (my_off_t) 0);
     }
     DBUG_RETURN(0);