# from intersect.test
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (5,5),(6,6);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(3,3);

set SQL_MODE=ORACLE;

(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
explain extended
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);


(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
explain extended
(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);

create table t12(c1 int);
insert into t12 values(1);
insert into t12 values(2);
create table t13(c1 int);
insert into t13 values(1);
insert into t13 values(3);
create table t234(c1 int);
insert into t234 values(2);
insert into t234 values(3);
insert into t234 values(4);

#enable after fix MDEV-29553
--disable_view_protocol
select * from t13 union select * from t234 intersect select * from t12;
--enable_view_protocol
set SQL_MODE=default;

drop table t1,t2,t3;
drop table t12,t13, t234;

#from intersect_all.test
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (5,5),(6,6);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(3,3);

set SQL_MODE=ORACLE;

#enable after fix MDEV-29553
--disable_view_protocol
select a,b from t1 union all select c,d from t2 intersect select e,f from t3 union all select 4,'4' from dual;
explain extended
select a,b from t1 union all select c,d from t2 intersect select e,f from t3 union all select 4,'4' from dual;

select a,b from t1 union all select c,d from t2 intersect all select e,f from t3 union all select 4,'4' from dual;
explain extended
select a,b from t1 union all select c,d from t2 intersect all select e,f from t3 union all select 4,'4' from dual;
--enable_view_protocol

select e,f from t3 intersect select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
explain extended
select e,f from t3 intersect select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;

select e,f from t3 intersect all select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
explain extended
select e,f from t3 intersect all select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;

set SQL_MODE=default;

drop table t1,t2,t3;

set SQL_MODE=oracle;
--error ER_NO_SUCH_TABLE
select * from t13 union select * from t234 intersect all select * from t12;
set SQL_MODE=default;

--echo #
--echo # MDEV-38799 Some views are broken in Oracle mode after upgrade to Q1 2026
--echo #
set sql_mode='';
create view v as select 'foo' as a union select 'bar' as a;
create view v2 as select 'foo' as a, 'baz' as b union select 'bar' as a, 'qux' as b;
create view v3 as select * from (select 'foo' as a, 'baz' as b) s union select * from (select 'bar' as a, 'qux' as b) s2;
create view v4 as select * from (select 'foo' as a) s union select * from (select 'bar' as a) s2;
select a from v;
select a, b from v2;
select a, b from v3;
select a from v4;
set sql_mode=oracle;
show create view v;
show create view v2;
select a from v;
select a, b from v2;
select a, b from v3;
select a from v4;
drop view v;
drop view v2;
drop view v3;
drop view v4;
set sql_mode=default;

--echo # End of 10.11 tests