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MDEV-11953: support of brackets in UNION/EXCEPT/INTERSECT operations

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This commit is contained in:
Oleksandr Byelkin
2018-05-22 19:08:39 +02:00
parent 1b981b9edb
commit de745ecf29
298 changed files with 36118 additions and 3473 deletions
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22
mysql-test/main/subselect.test
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@@ -99,7 +99,8 @@ select (select a from t3), a from t2;
select * from t2 where t2.a=(select a from t1);
insert into t3 values (6),(7),(3);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 order by a limit 2) order by a limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain extended (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
@@ -2604,8 +2605,6 @@ SELECT sql_no_cache * FROM t1 WHERE NOT EXISTS
(SELECT i FROM t1)
);
#TODO:not supported
--error ER_PARSE_ERROR
SELECT * FROM t1
WHERE NOT EXISTS (((SELECT i FROM t1) UNION (SELECT i FROM t1)));
@@ -4313,7 +4312,7 @@ SELECT * FROM (SELECT 1 a UNION SELECT 1 a ORDER BY a LIMIT 1) t1a;
# aliases after.
#
SELECT * FROM t1 JOIN (SELECT 1 UNION SELECT 1) alias ON 1;
--error ER_DERIVED_MUST_HAVE_ALIAS
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN ((SELECT 1 UNION SELECT 1)) ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN (t1 t1a UNION SELECT 1) ON 1;
@@ -4324,10 +4323,14 @@ 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;
@@ -4391,12 +4394,9 @@ SELECT * FROM t2 WHERE (a, b) IN (SELECT a, b FROM t2);
# Make sure the parser does not allow nested UNIONs anywhere
--error ER_PARSE_ERROR
SELECT 1 UNION ( SELECT 1 UNION SELECT 1 );
--error ER_PARSE_ERROR
( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;
--error ER_PARSE_ERROR
SELECT ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;
@@ -4405,25 +4405,19 @@ SELECT ((SELECT 1 UNION SELECT 1 UNION SELECT 1));
--error ER_PARSE_ERROR
SELECT * FROM ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_DERIVED_MUST_HAVE_ALIAS
--error ER_PARSE_ERROR
SELECT * FROM ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
SELECT * FROM ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 ) a;
SELECT * FROM ( SELECT 1 UNION SELECT 1 UNION SELECT 1 ) a;
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a IN ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ALL ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ANY ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a IN ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );