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

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

View File

@ -24,7 +24,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 EXCEPT t2 ALL NULL NULL NULL NULL 2 100.00
NULL EXCEPT RESULT <except2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`)) `a`
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from (/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`)) `a`
EXPLAIN format=json (select a,b from t1) except (select c,d from t2);
EXPLAIN
{
@ -229,7 +229,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 EXCEPT t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
NULL EXCEPT RESULT <except2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b`,`a`.`e` AS `e`,`a`.`f` AS `f` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` join `test`.`t3`) except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t4`.`g` AS `g`,`test`.`t4`.`h` AS `h` from `test`.`t2` join `test`.`t4`)) `a`
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b`,`a`.`e` AS `e`,`a`.`f` AS `f` from (/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` join `test`.`t3` except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t4`.`g` AS `g`,`test`.`t4`.`h` AS `h` from `test`.`t2` join `test`.`t4`)) `a`
EXPLAIN format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN
{
@ -500,7 +500,7 @@ a
(select 1 from dual) except (select 1 from dual);
1
(select 1 from dual into @v) except (select 1 from dual);
ERROR HY000: Incorrect usage of EXCEPT and INTO
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 'into @v) except (select 1 from dual)' at line 1
select 1 from dual ORDER BY 1 except select 1 from dual;
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 'except select 1 from dual' at line 1
select 1 as a from dual union all select 1 from dual;
@ -508,7 +508,7 @@ a
1
1
select 1 from dual except all select 1 from dual;
ERROR HY000: Incorrect usage of EXCEPT and ALL
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 'all select 1 from dual' at line 1
create table t1 (a int, b blob, a1 int, b1 blob) engine=MyISAM;
create table t2 (c int, d blob, c1 int, d1 blob) engine=MyISAM;
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");