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--
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements. See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
--
-- this tests derived column lists and derived tables
--
create table s (a int, b int, c int, d int, e int, f int);
create table t (aa int, bb int, cc int, dd int, ee int, ff int);
insert into s values (0,1,2,3,4,5);
insert into s values (10,11,12,13,14,15);
-- tests without a derived table
-- negative tests
-- # of columns does not match
select aa from s ss (aa);
select aa from s ss (aa, bb, cc, dd, ee, ff, gg);
-- duplicate names in derived column list
select aa from s ss (aa, ee, bb, cc, dd, aa);
-- test case insensitivity
select aa from s ss (aa, bb, cc, dd, ee, AA);
-- test uniqueness of names
select aa from s ss (aa, bb, cc, dd, ee, ff), t;
-- test uniqueness of names
insert into t select aa
from s aa (aa, bb, cc, dd, ee, ff), s bb (aa, bb, cc, dd, ee, ff);
-- verify using "exposed" names
select a from s ss (aa, bb, cc, dd, ee, ff);
-- positive tests
-- rename the columns
select * from s ss (f, e, d, c, b, a) where f = 0;
-- delimited identifiers in list
select * from s ss ("a a", "b b", "c c", "d d", "e e", "f f") where "a a" = 0;
-- uniqueness of "exposed" names
select a, aa from s a, s b (aa, bb, cc, dd, ee, ff) where f = ff and aa = 10;
select a.a, b.aa from s a, s b (aa, bb, cc, dd, ee, ff) where f = ff and b.aa = 10;
-- insert tests
insert into t select * from s ss (aa, bb, cc, dd, ee, ff);
select * from t;
delete from t;
insert into t (aa,bb) select ff, aa from s ss (aa, bb, cc, dd, ee, ff);
select * from t;
delete from t;
-- derived tables
-- negative tests
-- no correlation name
select * from (select * from s);
-- # of columns does not match
select aa from (select * from s) ss (aa);
select aa from (select * from s) ss (aa, bb, cc, dd, ee, ff, gg);
-- duplicate names in derived column list
select aa from (select * from s) ss (aa, ee, bb, cc, dd, aa);
-- test case insensitivity
select aa from (select * from s) ss (aa, bb, cc, dd, ee, AA);
-- test uniqueness of names
select aa from (select * from s) ss (aa, bb, cc, dd, ee, ff), t;
-- test uniqueness of names
insert into t select aa
from (select * from s) aa (aa, bb, cc, dd, ee, ff),
(select * from s) bb (aa, bb, cc, dd, ee, ff);
-- verify using "exposed" names
select a from (select * from s) ss (aa, bb, cc, dd, ee, ff);
-- ambiguous column reference
select a from (select * from s a, s b) ss;
-- positive tests
-- simple derived table
select a from (select a from s) a;
-- select * query's
select * from (select * from s) a;
select * from (select a, b, c, d, e, f from s) a;
select * from (select a, b, c from s) a;
select a, b, c, d, e, f from (select * from s) a;
-- simple derived table
insert into t (aa) select a from (select a from s) a;
select * from t;
delete from t;
-- select * query's
insert into t select * from (select * from s) a;
select * from t;
delete from t;
insert into t select * from (select a, b, c, d, e, f from s) a;
select * from t;
delete from t;
insert into t (aa, bb, cc) select * from (select a, b, c from s) a;
select * from t;
delete from t;
insert into t select a, b, c, d, e, f from (select * from s) a;
select * from t;
delete from t;
-- simple derived table with derived column list
select a from (select a from s) a (a);
-- select * query's with derived column lists
select * from (select * from s) a (f, e, d, c, b, a);
select * from (select a, b, c, d, e, f from s) a (f, e, d, c, b, a);
select * from (select a, b, c from s) a (c, f, e);
select a, b, c, d, e, f from (select * from s) a (a, b, c, d, e, f);
-- simple derived table with derived column list
insert into t (aa) select a from (select a from s) a (a);
select * from t;
delete from t;
-- select * query's with derived column lists
insert into t select * from (select * from s) a (c, b, a, e, f, d);
select * from t;
delete from t;
insert into t select * from (select a, b, c, d, e, f from s) a (f, a, c, b, e, d);
select * from t;
delete from t;
insert into t (aa, bb, cc) select * from (select a, b, c from s) a (f, e, a);
select * from t;
delete from t;
insert into t select a, c, "a", "b", b, "c" from (select * from s) a (a, c, "a", "b", b, "c");
select * from t;
delete from t;
-- project and reorder derived column list
select a, f from (select * from s) a (b, c, d, e, f, a);
insert into t (aa, bb) select a, f from (select * from s) a (b, c, d, e, f, a);
select * from t;
delete from t;
-- outer where clause references columns from derived table
select * from (select * from s) a (a, b, c, d, e, f) where a = 0;
select * from (select * from s) a (f, e, d, c, b, a) where f = 0;
insert into t select * from (select * from s) a (a, b, c, d, e, f) where a = 0;
select * from t;
delete from t;
insert into t select * from (select * from s) a (f, e, d, c, b, a) where f = 0;
select * from t;
delete from t;
-- join between 2 derived tables
select * from (select a from s) a, (select a from s) b;
select * from (select a from s) a, (select a from s) b where a.a = b.a;
insert into t (aa, bb) select * from (select a from s) a, (select a from s) b where a.a = b.a;
select * from t;
delete from t;
-- join within a derived table
select * from (select a.a, b.a from s a, s b) a (b, a) where b = a;
select * from (select a.a, b.a from s a, s b) a (b, a),
(select a.a, b.a from s a, s b) b (b, a) where a.b = b.b;
select * from (select (select 1 from s where 1 = 0), b.a from s a, s b) a (b, a),
(select (select 1 from s where 1 = 0), b.a from s a, s b) b (b, a) where a.b = b.b;
insert into t (aa, bb) select * from (select a.a, b.a from s a, s b) a (b, a) where b = a;
select * from t;
delete from t;
-- join within a derived table, 2 predicates can be pushed all the way down
select * from (select a.a, b.a from s a, s b) a (b, a) where b = a and a = 0 and b = 0;
insert into t (aa, bb) select * from (select a.a, b.a from s a, s b) a (b, a) where b = a and a = 0 and b = 0;
select * from t;
delete from t;
-- nested derived tables
select * from (select * from (select * from s) a ) a;
select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from
(select * from s) a
) a
) a
) a
) a
) a
) a
) a
) a
) a
) a
) a
) a
) a
) a;
-- test predicate push through
select * from
(select a.a as a1, b.a as a2 from s a, s b) a
where a.a1 = 0 and a.a2 = 10;
-- push column = column through
select * from (select a, a from s) a (x, y) where x = y;
select * from (select a, a from s) a (x, y) where x + y = x * y;
-- return contants and expressions from derived table
select * from (select 1 from s) a;
select * from (select 1 from s) a (x) where x = 1;
select * from (select 1 from s a, s b where a.a = b.a) a (x);
select * from (select 1 from s a, s b where a.a = b.a) a (x) where x = 1;
select * from (select a + 1 from s) a;
select * from (select a + 1 from s) a (x) where x = 1;
select * from (select a.a + 1 from s a, s b where a.a = b.a) a (x) where x = 1;
-- Bug 2767, don't flatten derived table with join
create table tab1(tab1_c1 int, tab1_c2 int);
create table tab2(tab2_c1 int, tab2_c2 int);
insert into tab1 values (1, 1), (2, 2);
insert into tab2 values (1, 1), (2, 2);
select * from (select * from tab1, tab2) c where tab1_c1 in (1, 3);
drop table tab1;
drop table tab2;
drop table s;
drop table t;
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