MDEV-18689 Simple query with extra brackets stopped working

Parenthesis around table names and derived tables should be allowed
in FROM clauses and some other context as it was in earlier versions.

Returned test queries that used such parenthesis in 10.3 to their
original form. Adjusted test results accordingly.

19 files changed, 235 insertions, 103 deletions

diff --git a/mysql-test/main/brackets.result b/mysql-test/main/brackets.result
index 869afe56c9c..e14bef956a9 100644
--- a/mysql-test/main/brackets.result
+++ b/mysql-test/main/brackets.result
@@ -452,4 +452,46 @@ EXPLAIN
   }
 }
 drop table t1;
+#
+# MDEV-18689: parenthesis around table names and derived tables
+#
+select * from ( mysql.db );
+Host	Db	User	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Create_tmp_table_priv	Lock_tables_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Execute_priv	Event_priv	Trigger_priv	Delete_history_priv
+%	test		Y	Y	Y	Y	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Y	N	N	Y	Y	Y
+%	test\_%		Y	Y	Y	Y	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	Y	N	N	Y	Y	Y
+create table t1 (a int);
+insert into t1 values (7), (2), (7);
+select * from (t1);
+a
+7
+2
+7
+select * from ((t1));
+a
+7
+2
+7
+select * from (t1 t) where t.a > 5;
+a
+7
+7
+select * from ((t1 t)) where t.a > 5;
+a
+7
+7
+select * from ((select a, sum(a) from t1 group by a) t);
+a	sum(a)
+2	2
+7	14
+select * from (((select a, sum(a) from t1 group by a) t));
+a	sum(a)
+2	2
+7	14
+update (t1 t) set t.a=t.a+1;
+select * from t1;
+a
+8
+3
+8
+drop table t1;
 # End of 10.4 tests
diff --git a/mysql-test/main/brackets.test b/mysql-test/main/brackets.test
index cf1dcc56acc..9ca86b87032 100644
--- a/mysql-test/main/brackets.test
+++ b/mysql-test/main/brackets.test
@@ -154,5 +154,27 @@ eval explain format=json $q;
 
 drop table t1;
 
+--echo #
+--echo # MDEV-18689: parenthesis around table names and derived tables
+--echo #
+
+select * from ( mysql.db );
+
+create table t1 (a int);
+insert into t1 values (7), (2), (7);
+
+select * from (t1);
+select * from ((t1));
+select * from (t1 t) where t.a > 5;
+select * from ((t1 t)) where t.a > 5;
+
+select * from ((select a, sum(a) from t1 group by a) t);
+select * from (((select a, sum(a) from t1 group by a) t));
+
+update (t1 t) set t.a=t.a+1;
+select * from t1;
+
+drop table t1;
+
 --echo # End of 10.4 tests
 
diff --git a/mysql-test/main/subselect.result b/mysql-test/main/subselect.result
index 3bd23a49cdb..8c8c034c7cc 100644
--- a/mysql-test/main/subselect.result
+++ b/mysql-test/main/subselect.result
@@ -5198,17 +5198,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect.test b/mysql-test/main/subselect.test
index dd80b789516..82823b418ef 100644
--- a/mysql-test/main/subselect.test
+++ b/mysql-test/main/subselect.test
@@ -4325,14 +4325,10 @@ SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
 --error ER_PARSE_ERROR
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
 
---error ER_PARSE_ERROR
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
---error ER_PARSE_ERROR
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
 
---error ER_PARSE_ERROR
 SELECT * FROM (t1 t1a);
---error ER_PARSE_ERROR
 SELECT * FROM ((t1 t1a));
 
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
diff --git a/mysql-test/main/subselect_mat.result b/mysql-test/main/subselect_mat.result
index 482833dc967..8ffe6643670 100644
--- a/mysql-test/main/subselect_mat.result
+++ b/mysql-test/main/subselect_mat.result
@@ -2212,11 +2212,11 @@ drop database mysqltest4;
 # (both 1st and further executions)
 CREATE TABLE t1 (a INT NOT NULL) ENGINE=MyISAM;
 INSERT INTO t1 VALUES (0),(8);
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2);
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2));
 a
 0
 PREPARE stmt FROM "
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2)
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2))
 ";
 execute stmt;
 a
diff --git a/mysql-test/main/subselect_no_exists_to_in.result b/mysql-test/main/subselect_no_exists_to_in.result
index bacba844deb..1bcc1a5ecb3 100644
--- a/mysql-test/main/subselect_no_exists_to_in.result
+++ b/mysql-test/main/subselect_no_exists_to_in.result
@@ -5200,17 +5200,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect_no_mat.result b/mysql-test/main/subselect_no_mat.result
index a5b1d95cae1..2876e190e68 100644
--- a/mysql-test/main/subselect_no_mat.result
+++ b/mysql-test/main/subselect_no_mat.result
@@ -5198,17 +5198,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect_no_opts.result b/mysql-test/main/subselect_no_opts.result
index 0ea16d89849..47f554a78ef 100644
--- a/mysql-test/main/subselect_no_opts.result
+++ b/mysql-test/main/subselect_no_opts.result
@@ -5194,17 +5194,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect_no_scache.result b/mysql-test/main/subselect_no_scache.result
index 196af2dc372..70968786fd0 100644
--- a/mysql-test/main/subselect_no_scache.result
+++ b/mysql-test/main/subselect_no_scache.result
@@ -5204,17 +5204,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect_no_semijoin.result b/mysql-test/main/subselect_no_semijoin.result
index c590a5d3450..3265a4f81bb 100644
--- a/mysql-test/main/subselect_no_semijoin.result
+++ b/mysql-test/main/subselect_no_semijoin.result
@@ -5194,17 +5194,29 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 1)) ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) t1a ON 1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 't1a ON 1' at line 1
 SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')) ON 1' at line 1
+a	a
+1	1
+2	1
+1	2
+2	2
 SELECT * FROM (t1 t1a);
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
+a
+1
+2
 SELECT * FROM ((t1 t1a));
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))' at line 1
+a
+1
+2
 SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
 a	t1a
 1	1
diff --git a/mysql-test/main/subselect_sj.result b/mysql-test/main/subselect_sj.result
index 2907536df02..a4dd6601f48 100644
--- a/mysql-test/main/subselect_sj.result
+++ b/mysql-test/main/subselect_sj.result
@@ -1675,7 +1675,7 @@ CREATE TABLE t3 ( f11 int) ;
 INSERT IGNORE INTO t3 VALUES (0);
 SELECT alias1.f11 AS field2
 FROM ( t3 AS alias2 JOIN t1 AS alias3 ON alias3.f10 = 1)
-LEFT JOIN t2 AS alias1 ON alias3.f11 = 1
+LEFT JOIN ( t2 AS alias1 ) ON alias3.f11 = 1
 WHERE alias2.f11 IN ( SELECT f11 FROM t2 )
 GROUP BY field2 ;
 field2
diff --git a/mysql-test/main/subselect_sj.test b/mysql-test/main/subselect_sj.test
index 22c9b2bf0cf..d735d852a5e 100644
--- a/mysql-test/main/subselect_sj.test
+++ b/mysql-test/main/subselect_sj.test
@@ -1462,7 +1462,7 @@ INSERT IGNORE INTO t3 VALUES (0);
 
 SELECT alias1.f11 AS field2
 FROM ( t3 AS alias2 JOIN t1 AS alias3 ON alias3.f10 = 1)
-LEFT JOIN t2 AS alias1 ON alias3.f11 = 1
+LEFT JOIN ( t2 AS alias1 ) ON alias3.f11 = 1
 WHERE alias2.f11 IN ( SELECT f11 FROM t2 )
 GROUP BY field2 ;
 
diff --git a/mysql-test/main/subselect_sj_jcl6.result b/mysql-test/main/subselect_sj_jcl6.result
index 697a2ae36b6..36cca52b534 100644
--- a/mysql-test/main/subselect_sj_jcl6.result
+++ b/mysql-test/main/subselect_sj_jcl6.result
@@ -1688,7 +1688,7 @@ CREATE TABLE t3 ( f11 int) ;
 INSERT IGNORE INTO t3 VALUES (0);
 SELECT alias1.f11 AS field2
 FROM ( t3 AS alias2 JOIN t1 AS alias3 ON alias3.f10 = 1)
-LEFT JOIN t2 AS alias1 ON alias3.f11 = 1
+LEFT JOIN ( t2 AS alias1 ) ON alias3.f11 = 1
 WHERE alias2.f11 IN ( SELECT f11 FROM t2 )
 GROUP BY field2 ;
 field2
diff --git a/mysql-test/main/subselect_sj_mat.result b/mysql-test/main/subselect_sj_mat.result
index 3fc8f9afd3e..e28a1c57efc 100644
--- a/mysql-test/main/subselect_sj_mat.result
+++ b/mysql-test/main/subselect_sj_mat.result
@@ -2252,11 +2252,11 @@ drop database mysqltest4;
 # (both 1st and further executions)
 CREATE TABLE t1 (a INT NOT NULL) ENGINE=MyISAM;
 INSERT INTO t1 VALUES (0),(8);
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2);
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2));
 a
 0
 PREPARE stmt FROM "
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2)
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2))
 ";
 execute stmt;
 a
diff --git a/mysql-test/main/subselect_sj_mat.test b/mysql-test/main/subselect_sj_mat.test
index ac0baee3728..c66ca575de7 100644
--- a/mysql-test/main/subselect_sj_mat.test
+++ b/mysql-test/main/subselect_sj_mat.test
@@ -1859,9 +1859,9 @@ drop database mysqltest4;
 CREATE TABLE t1 (a INT NOT NULL) ENGINE=MyISAM;
 INSERT INTO t1 VALUES (0),(8);
 
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2);
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2));
 PREPARE stmt FROM "
-SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM t1 AS t2)
+SELECT a FROM (SELECT DISTINCT * FROM t1) AS sq WHERE a IN (SELECT MIN(t2.a) FROM (t1 AS t2))
 ";
 execute stmt;
 execute stmt;
diff --git a/mysql-test/main/union.result b/mysql-test/main/union.result
index a0421bae922..559eafc2282 100644
--- a/mysql-test/main/union.result
+++ b/mysql-test/main/union.result
@@ -2034,14 +2034,14 @@ SET @@global.slow_query_log= @old_slow_query_log;
 CREATE TABLE t1 (a int);
 CREATE TABLE t2 (b int);
 CREATE TABLE t3 (c int);
-SELECT a FROM t1 UNION SELECT b FROM t2 JOIN t3 ON ( t2.b = t3.c );
+SELECT a FROM t1 UNION SELECT b FROM t2 JOIN (t3) ON ( t2.b = t3.c );
 a
 DROP TABLE t1, t2, t3;
 CREATE TABLE t1 (pk int NOT NULL);
 CREATE TABLE t2 (pk int NOT NULL, fk int NOT NULL);
-SELECT t1.pk FROM t1 LEFT JOIN t2 ON (t1.pk = t2.fk)
+SELECT t1.pk FROM t1 LEFT JOIN (t2) ON (t1.pk = t2.fk)
 UNION
-SELECT t1.pk FROM t1 LEFT JOIN t2 ON (t1.pk = t2.fk);
+SELECT t1.pk FROM t1 LEFT JOIN (t2) ON (t1.pk = t2.fk);
 pk
 DROP TABLE t1,t2;
 create table t1 (a int);
diff --git a/mysql-test/main/union.test b/mysql-test/main/union.test
index 9d25708611e..ce52ebaa6e5 100644
--- a/mysql-test/main/union.test
+++ b/mysql-test/main/union.test
@@ -1371,15 +1371,15 @@ SET @@global.slow_query_log= @old_slow_query_log;
 CREATE TABLE t1 (a int);
 CREATE TABLE t2 (b int);
 CREATE TABLE t3 (c int);
-SELECT a FROM t1 UNION SELECT b FROM t2 JOIN t3 ON ( t2.b = t3.c );
+SELECT a FROM t1 UNION SELECT b FROM t2 JOIN (t3) ON ( t2.b = t3.c );
 
 DROP TABLE t1, t2, t3;
 
 CREATE TABLE t1 (pk int NOT NULL);
 CREATE TABLE t2 (pk int NOT NULL, fk int NOT NULL);
-SELECT t1.pk FROM t1 LEFT JOIN t2 ON (t1.pk = t2.fk)
+SELECT t1.pk FROM t1 LEFT JOIN (t2) ON (t1.pk = t2.fk)
 UNION
-SELECT t1.pk FROM t1 LEFT JOIN t2 ON (t1.pk = t2.fk);
+SELECT t1.pk FROM t1 LEFT JOIN (t2) ON (t1.pk = t2.fk);
 
 DROP TABLE t1,t2;
 
diff --git a/mysql-test/main/view.result b/mysql-test/main/view.result
index 83ea0e38992..fdaf0baa02a 100644
--- a/mysql-test/main/view.result
+++ b/mysql-test/main/view.result
@@ -4104,7 +4104,7 @@ LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
 ;
 SELECT 1
-FROM (  SELECT 1
+FROM ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4112,8 +4112,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t1
-LEFT OUTER JOIN (  SELECT 1
+) t1)
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4121,8 +4121,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t2 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t2) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4130,8 +4130,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t3 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t3) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4139,8 +4139,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t4 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t4) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4148,8 +4148,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t5 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t5) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4157,8 +4157,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t6 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t6) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4166,8 +4166,8 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t7 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t7) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
 FROM t1 a_alias_1
 LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4175,18 +4175,18 @@ LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
 LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
 LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
 LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t8 ON 1=1
+) t8) ON 1=1
 ;
 1
 SELECT 1
-FROM v1 t1
-LEFT OUTER JOIN v1 t2 ON 1=1
-LEFT OUTER JOIN v1 t3 ON 1=1
-LEFT OUTER JOIN v1 t4 ON 1=1
-LEFT OUTER JOIN v1 t5 ON 1=1
-LEFT OUTER JOIN v1 t6 ON 1=1
-LEFT OUTER JOIN v1 t7 ON 1=1
-LEFT OUTER JOIN v1 t8 ON 1=1
+FROM (v1 t1)
+LEFT OUTER JOIN (v1 t2) ON 1=1
+LEFT OUTER JOIN (v1 t3) ON 1=1
+LEFT OUTER JOIN (v1 t4) ON 1=1
+LEFT OUTER JOIN (v1 t5) ON 1=1
+LEFT OUTER JOIN (v1 t6) ON 1=1
+LEFT OUTER JOIN (v1 t7) ON 1=1
+LEFT OUTER JOIN (v1 t8) ON 1=1
 ;
 1
 drop view v1;
diff --git a/mysql-test/main/view.test b/mysql-test/main/view.test
index 2b7b9d1f161..ce8ac8dec48 100644
--- a/mysql-test/main/view.test
+++ b/mysql-test/main/view.test
@@ -4050,7 +4050,7 @@ CREATE OR REPLACE view v1 AS
 ;
 
 SELECT 1
-FROM (  SELECT 1
+FROM ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4058,8 +4058,8 @@ FROM (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t1
-LEFT OUTER JOIN (  SELECT 1
+) t1)
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4067,8 +4067,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t2 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t2) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4076,8 +4076,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t3 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t3) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4085,8 +4085,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t4 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t4) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4094,8 +4094,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t5 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t5) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4103,8 +4103,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t6 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t6) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4112,8 +4112,8 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t7 ON 1=1
-LEFT OUTER JOIN (  SELECT 1
+) t7) ON 1=1
+LEFT OUTER JOIN ((  SELECT 1
   FROM t1 a_alias_1
     LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
     LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
@@ -4121,18 +4121,18 @@ LEFT OUTER JOIN (  SELECT 1
     LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
     LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
     LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
-) t8 ON 1=1
+) t8) ON 1=1
 ;
 
 SELECT 1
-FROM v1 t1
-LEFT OUTER JOIN v1 t2 ON 1=1
-LEFT OUTER JOIN v1 t3 ON 1=1
-LEFT OUTER JOIN v1 t4 ON 1=1
-LEFT OUTER JOIN v1 t5 ON 1=1
-LEFT OUTER JOIN v1 t6 ON 1=1
-LEFT OUTER JOIN v1 t7 ON 1=1
-LEFT OUTER JOIN v1 t8 ON 1=1
+FROM (v1 t1)
+LEFT OUTER JOIN (v1 t2) ON 1=1
+LEFT OUTER JOIN (v1 t3) ON 1=1
+LEFT OUTER JOIN (v1 t4) ON 1=1
+LEFT OUTER JOIN (v1 t5) ON 1=1
+LEFT OUTER JOIN (v1 t6) ON 1=1
+LEFT OUTER JOIN (v1 t7) ON 1=1
+LEFT OUTER JOIN (v1 t8) ON 1=1
 ;
 
 drop view v1;