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|
ij> --
-- 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 test shows the current supported join functionality
--
-- create some tables
create table t1 (t1_c1 int, t1_c2 char(10));
0 rows inserted/updated/deleted
ij> create table t2 (t2_c1 int, t2_c2 char(10));
0 rows inserted/updated/deleted
ij> create table t3 (t3_c1 int, t3_c2 char(10));
0 rows inserted/updated/deleted
ij> create table t4 (t4_c1 int, t4_c2 char(10));
0 rows inserted/updated/deleted
ij> -- populate the tables
insert into t1 values (1, 't1-row1');
1 row inserted/updated/deleted
ij> insert into t1 values (2, 't1-row2');
1 row inserted/updated/deleted
ij> insert into t2 values (1, 't2-row1');
1 row inserted/updated/deleted
ij> insert into t2 values (2, 't2-row2');
1 row inserted/updated/deleted
ij> insert into t3 values (1, 't3-row1');
1 row inserted/updated/deleted
ij> insert into t3 values (2, 't3-row2');
1 row inserted/updated/deleted
ij> insert into t4 values (1, 't4-row1');
1 row inserted/updated/deleted
ij> insert into t4 values (2, 't4-row2');
1 row inserted/updated/deleted
ij> -- negative test, same exposed name
select * from t1, t1;
ERROR 42X09: The table or alias name 'T1' is used more than once in the FROM list.
ij> -- cartesian products
-- full projection
select * from t1, t2;
T1_C1 |T1_C2 |T2_C1 |T2_C2
---------------------------------------------
1 |t1-row1 |1 |t2-row1
1 |t1-row1 |2 |t2-row2
2 |t1-row2 |1 |t2-row1
2 |t1-row2 |2 |t2-row2
ij> select * from t1 a, t2 b, t3 cc, t4 d order by 1,2,3,4,5,6;
T1_C1 |T1_C2 |T2_C1 |T2_C2 |T3_C1 |T3_C2 |T4_C1 |T4_C2
-------------------------------------------------------------------------------------------
1 |t1-row1 |1 |t2-row1 |1 |t3-row1 |2 |t4-row2
1 |t1-row1 |1 |t2-row1 |1 |t3-row1 |1 |t4-row1
1 |t1-row1 |1 |t2-row1 |2 |t3-row2 |2 |t4-row2
1 |t1-row1 |1 |t2-row1 |2 |t3-row2 |1 |t4-row1
1 |t1-row1 |2 |t2-row2 |1 |t3-row1 |2 |t4-row2
1 |t1-row1 |2 |t2-row2 |1 |t3-row1 |1 |t4-row1
1 |t1-row1 |2 |t2-row2 |2 |t3-row2 |2 |t4-row2
1 |t1-row1 |2 |t2-row2 |2 |t3-row2 |1 |t4-row1
2 |t1-row2 |1 |t2-row1 |1 |t3-row1 |2 |t4-row2
2 |t1-row2 |1 |t2-row1 |1 |t3-row1 |1 |t4-row1
2 |t1-row2 |1 |t2-row1 |2 |t3-row2 |2 |t4-row2
2 |t1-row2 |1 |t2-row1 |2 |t3-row2 |1 |t4-row1
2 |t1-row2 |2 |t2-row2 |1 |t3-row1 |2 |t4-row2
2 |t1-row2 |2 |t2-row2 |1 |t3-row1 |1 |t4-row1
2 |t1-row2 |2 |t2-row2 |2 |t3-row2 |2 |t4-row2
2 |t1-row2 |2 |t2-row2 |2 |t3-row2 |1 |t4-row1
ij> -- reorder columns
select t2.*, t1.* from t1, t2;
T2_C1 |T2_C2 |T1_C1 |T1_C2
---------------------------------------------
1 |t2-row1 |1 |t1-row1
2 |t2-row2 |1 |t1-row1
1 |t2-row1 |2 |t1-row2
2 |t2-row2 |2 |t1-row2
ij> select t2_c2, t1_c2, t1_c1, t2_c1 from t1, t2;
T2_C2 |T1_C2 |T1_C1 |T2_C1
---------------------------------------------
t2-row1 |t1-row1 |1 |1
t2-row2 |t1-row1 |1 |2
t2-row1 |t1-row2 |2 |1
t2-row2 |t1-row2 |2 |2
ij> -- project out columns
select t2_c2, t1_c1 from t1, t2;
T2_C2 |T1_C1
----------------------
t2-row1 |1
t2-row2 |1
t2-row1 |2
t2-row2 |2
ij> select a.t1_c1, cc.t1_c1, e.t1_c1, g.t1_c1, i.t1_c1 from t1 a, t1 cc, t1 e, t1 g, t1 i;
T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1
-----------------------------------------------------------
1 |1 |1 |1 |1
1 |1 |1 |1 |2
1 |1 |1 |2 |1
1 |1 |1 |2 |2
1 |1 |2 |1 |1
1 |1 |2 |1 |2
1 |1 |2 |2 |1
1 |1 |2 |2 |2
1 |2 |1 |1 |1
1 |2 |1 |1 |2
1 |2 |1 |2 |1
1 |2 |1 |2 |2
1 |2 |2 |1 |1
1 |2 |2 |1 |2
1 |2 |2 |2 |1
1 |2 |2 |2 |2
2 |1 |1 |1 |1
2 |1 |1 |1 |2
2 |1 |1 |2 |1
2 |1 |1 |2 |2
2 |1 |2 |1 |1
2 |1 |2 |1 |2
2 |1 |2 |2 |1
2 |1 |2 |2 |2
2 |2 |1 |1 |1
2 |2 |1 |1 |2
2 |2 |1 |2 |1
2 |2 |1 |2 |2
2 |2 |2 |1 |1
2 |2 |2 |1 |2
2 |2 |2 |2 |1
2 |2 |2 |2 |2
ij> -- project/restricts
select a.t1_c1, b.t1_c1, cc.t1_c1, d.t1_c1, e.t1_c1, f.t1_c1, g.t1_c1, h.t1_c1, i.t1_c1, j.t1_c1
from t1 a, t1 b, t1 cc, t1 d, t1 e, t1 f, t1 g, t1 h, t1 i, t1 j
where a.t1_c2 = b.t1_c2 and b.t1_c2 = cc.t1_c2 and cc.t1_c2 = d.t1_c2 and
d.t1_c2 = e.t1_c2 and e.t1_c2 = f.t1_c2 and f.t1_c2 = g.t1_c2 and
g.t1_c2 = h.t1_c2 and h.t1_c2 = i.t1_c2 and i.t1_c2 = j.t1_c2;
T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1
-----------------------------------------------------------------------------------------------------------------------
1 |1 |1 |1 |1 |1 |1 |1 |1 |1
2 |2 |2 |2 |2 |2 |2 |2 |2 |2
ij> select a.t1_c1, b.t1_c1, cc.t1_c1, d.t1_c1, e.t1_c1, f.t1_c1, g.t1_c1, h.t1_c1, i.t1_c1, j.t1_c1
from t1 a, t1 b, t1 cc, t1 d, t1 e, t1 f, t1 g, t1 h, t1 i, t1 j
where a.t1_c1 = 1 and b.t1_c1 = 1 and cc.t1_c1 = 1 and d.t1_c1 = 1 and e.t1_c1 = 1 and
f.t1_c1 = 1 and g.t1_c1 = 1 and h.t1_c1 = 1 and i.t1_c1 = 1 and
a.t1_c2 = b.t1_c2 and b.t1_c2 = cc.t1_c2 and cc.t1_c2 = d.t1_c2 and
d.t1_c2 = e.t1_c2 and e.t1_c2 = f.t1_c2 and f.t1_c2 = g.t1_c2 and
g.t1_c2 = h.t1_c2 and h.t1_c2 = i.t1_c2 and i.t1_c2 = j.t1_c2;
T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1 |T1_C1
-----------------------------------------------------------------------------------------------------------------------
1 |1 |1 |1 |1 |1 |1 |1 |1 |1
ij> -- project out entire tables
select 1, 2 from t1, t2;
1 |2
-----------------------
1 |2
1 |2
1 |2
1 |2
ij> select 1, t1.t1_c1 from t1, t2;
1 |T1_C1
-----------------------
1 |1
1 |1
1 |2
1 |2
ij> select t2.t2_c2,1 from t1, t2;
T2_C2 |2
----------------------
t2-row1 |1
t2-row2 |1
t2-row1 |1
t2-row2 |1
ij> -- bug #306
select c.t1_c1 from (select a.t1_c1 from t1 a, t1 b) c, t1 d where c.t1_c1 = d.t1_c1;
T1_C1
-----------
1
1
2
2
ij> -- create a table for testing inserts
create table instab (instab_c1 int, instab_c2 char(10), instab_c3 int,
instab_c4 char(10));
0 rows inserted/updated/deleted
ij> -- insert select with joins
-- cartesian product
insert into instab select * from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |t1-row1 |1 |t2-row1
1 |t1-row1 |2 |t2-row2
2 |t1-row2 |1 |t2-row1
2 |t1-row2 |2 |t2-row2
ij> delete from instab;
4 rows inserted/updated/deleted
ij> insert into instab (instab_c1, instab_c2, instab_c3, instab_c4)
select * from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |t1-row1 |1 |t2-row1
1 |t1-row1 |2 |t2-row2
2 |t1-row2 |1 |t2-row1
2 |t1-row2 |2 |t2-row2
ij> delete from instab;
4 rows inserted/updated/deleted
ij> insert into instab (instab_c1, instab_c2, instab_c3, instab_c4)
select t2_c1, t2_c2, t1_c1, t1_c2 from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |t2-row1 |1 |t1-row1
2 |t2-row2 |1 |t1-row1
1 |t2-row1 |2 |t1-row2
2 |t2-row2 |2 |t1-row2
ij> delete from instab;
4 rows inserted/updated/deleted
ij> insert into instab (instab_c3, instab_c1, instab_c2, instab_c4)
select t2_c1, t1_c1, t1_c2, t2_c2 from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |t1-row1 |1 |t2-row1
1 |t1-row1 |2 |t2-row2
2 |t1-row2 |1 |t2-row1
2 |t1-row2 |2 |t2-row2
ij> delete from instab;
4 rows inserted/updated/deleted
ij> -- projection
insert into instab (instab_c1, instab_c3)
select t1_c1, t2_c1 from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |NULL |1 |NULL
1 |NULL |2 |NULL
2 |NULL |1 |NULL
2 |NULL |2 |NULL
ij> delete from instab;
4 rows inserted/updated/deleted
ij> -- project out 1 or more tables from join
insert into instab select 1, '2', 3, '4' from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |2 |3 |4
1 |2 |3 |4
1 |2 |3 |4
1 |2 |3 |4
ij> delete from instab;
4 rows inserted/updated/deleted
ij> insert into instab select 1, t1.t1_c2, 3, t1.t1_c2 from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |t1-row1 |3 |t1-row1
1 |t1-row1 |3 |t1-row1
1 |t1-row2 |3 |t1-row2
1 |t1-row2 |3 |t1-row2
ij> delete from instab;
4 rows inserted/updated/deleted
ij> insert into instab select t2.t2_c1, '2', t2.t2_c1, '4' from t1, t2;
4 rows inserted/updated/deleted
ij> select * from instab;
INSTAB_C1 |INSTAB_C2 |INSTAB_C3 |INSTAB_C4
---------------------------------------------
1 |2 |1 |4
2 |2 |2 |4
1 |2 |1 |4
2 |2 |2 |4
ij> delete from instab;
4 rows inserted/updated/deleted
ij> ------------------------------------------
-- test optimizations where we push around
-- predicates (remapColumnReferences)
------------------------------------------
-- case
select t1_c1 from t1, t2 where (case when t1_c1 = 1 then t2_c2 end) = t2_c2;
T1_C1
-----------
1
1
ij> -- CHAR built-in function
select t1_c1 from t1, t2 where CHAR(t1_c1) = t2_c2;
T1_C1
-----------
ij> -- logical operator OR
select t1_c1 from t1, t2 where t1_c1 = 1 or t2_c1 = 2;
T1_C1
-----------
1
1
2
ij> -- logical operator AND
select t1_c1 from t1, t2 where t1_c1 = 2147483647 and 2147483647 = t2_c1;
T1_C1
-----------
ij> -- beetle 5421
-- INT built-in function
select t1_c1 from t1, t2 where INT(t1_c1) = t2_c1;
T1_C1
-----------
1
2
ij> select t1_c1 from t1, t2 where t1_c1 = INT(2147483647) and INT(2147483647) = t2_c1;
T1_C1
-----------
ij> -- transitive closure - verify join condition doesn't get dropped
create table x(c1 int);
0 rows inserted/updated/deleted
ij> create table y(c1 int);
0 rows inserted/updated/deleted
ij> insert into x values 1, 2, null;
3 rows inserted/updated/deleted
ij> insert into y values 1, 2, null;
3 rows inserted/updated/deleted
ij> select * from x,y where x.c1 = y.c1 and x.c1 = 1 and y.c1 = 2;
C1 |C1
-----------------------
ij> select * from x,y where x.c1 = y.c1 and x.c1 is null;
C1 |C1
-----------------------
ij> select * from x,y where x.c1 = y.c1 and x.c1 is null and y.c1 = 2;
C1 |C1
-----------------------
ij> select * from x,y where x.c1 = y.c1 and x.c1 is null and y.c1 is null;
C1 |C1
-----------------------
ij> -- DERBY-2526: join node flattening leads to incorrect transitive closure,
-- which in turn results in incorrect results.
-- Ex. 1: As posted to DERBY-2526:
create table b2 (c1 int, c2 int, c3 char(1), c4 int, c5 int, c6 int);
0 rows inserted/updated/deleted
ij> create table b4 (c7 int, c4 int, c6 int);
0 rows inserted/updated/deleted
ij> create table b3 (c8 int, c9 int, c5 int, c6 int);
0 rows inserted/updated/deleted
ij> create table b (c1 int, c2 int, c3 char(1), c4 int, c5 int, c6 int);
0 rows inserted/updated/deleted
ij> create view bvw (c5, c1 ,c2 ,c3 ,c4) as
select c5, c1 ,c2 ,c3 ,c4 from b2 union
select c5, c1 ,c2 ,c3 ,c4 from b;
0 rows inserted/updated/deleted
ij> create view bvw2 (c1 ,c2 ,c3 ,c4 ,c5) as
select c1 ,c2 ,c3 ,c4 ,c5 from b2 union
select c1 ,c2 ,c3 ,c4 ,c5 from b;
0 rows inserted/updated/deleted
ij> insert into b4 (c7,c4,c6) values (4, 42, 31);
1 row inserted/updated/deleted
ij> insert into b2 (c5,c1,c3,c4,c6) values (3,4, 'F',43,23);
1 row inserted/updated/deleted
ij> insert into b3 (c5,c8,c9,c6) values (2,3,19,28);
1 row inserted/updated/deleted
ij> -- Should see 1 row for *both* of these queries.
select b3.* from b3 join bvw on (b3.c8 = bvw.c5) join b4 on (bvw.c1 = b4.c7) where b4.c4 = 42;
C8 |C9 |C5 |C6
-----------------------------------------------
3 |19 |2 |28
ij> select b3.* from b3 join bvw2 on (b3.c8 = bvw2.c5) join b4 on (bvw2.c1 = b4.c7) where b4.c4 = 42;
C8 |C9 |C5 |C6
-----------------------------------------------
3 |19 |2 |28
ij> -- Cleanup.
drop view bvw;
0 rows inserted/updated/deleted
ij> drop view bvw2;
0 rows inserted/updated/deleted
ij> drop table b;
0 rows inserted/updated/deleted
ij> drop table b2;
0 rows inserted/updated/deleted
ij> drop table b3;
0 rows inserted/updated/deleted
ij> drop table b4;
0 rows inserted/updated/deleted
ij> -- Ex. 2: Simplified repro.
create table b1 (c0 int);
0 rows inserted/updated/deleted
ij> create table xx (c1 int, c2 int);
0 rows inserted/updated/deleted
ij> create table b2 (c3 int, c4 int);
0 rows inserted/updated/deleted
ij> insert into b1 values 1;
1 row inserted/updated/deleted
ij> insert into xx values (0, 1);
1 row inserted/updated/deleted
ij> insert into b2 values (0, 2);
1 row inserted/updated/deleted
ij> -- Following should return 1 row.
select b1.* from
b1 JOIN (select * from xx) VW(c1,c2) on (b1.c0 = vw.c2)
JOIN b2 on (vw.c1 = b2.c3);
C0
-----------
1
ij> -- Try out various correlation name combinations to make sure that
-- correct column remapping occurs regardless of correlation name.
select b1.* from
b1 JOIN (select * from xx) VW(ccx1,ccx2) on (b1.c0 = vw.ccx2)
JOIN b2 on (vw.ccx1 = b2.c3);
C0
-----------
1
ij> select b1.* from
b1 JOIN (select c1 as ccx1, c2 as ccx2 from xx) VW(ccx1,ccx2) on (b1.c0 = vw.ccx2)
JOIN b2 on (vw.ccx1 = b2.c3);
C0
-----------
1
ij> select b1.* from
b1 JOIN (select c1 as ccx1, c2 as ccx2 from xx) VW(x1,x2) on (b1.c0 = vw.x2)
JOIN b2 on (vw.x1 = b2.c3);
C0
-----------
1
ij> select b1.* from
b1 JOIN (select c1 as ccx1, c2 as ccx2 from xx) VW(c1,c2) on (b1.c0 = vw.c2)
JOIN b2 on (vw.c1 = b2.c3);
C0
-----------
1
ij> -- Cleanup.
drop table b1;
0 rows inserted/updated/deleted
ij> drop table b2;
0 rows inserted/updated/deleted
ij> drop table xx;
0 rows inserted/updated/deleted
ij> -- DERBY-3023: join node flattening leads to incorrect search transitive
-- closure, which in turn leads to incorrect results.
CREATE TABLE d3023_t1 (A INTEGER, B INTEGER);
0 rows inserted/updated/deleted
ij> insert into d3023_t1 values (1, 1), (-2, 2), (3, 3);
3 rows inserted/updated/deleted
ij> CREATE TABLE d3023_t2 (C INTEGER, D INTEGER);
0 rows inserted/updated/deleted
ij> insert into d3023_t2 values (1, -1), (2, -2), (3, -3);
3 rows inserted/updated/deleted
ij> CREATE TABLE d3023_t3 (I INTEGER, J INTEGER);
0 rows inserted/updated/deleted
ij> insert into d3023_t3 values (-2, 1), (-3, -2);
2 rows inserted/updated/deleted
ij> CREATE TABLE d3023_t4 (X INTEGER, Y INTEGER);
0 rows inserted/updated/deleted
ij> insert into d3023_t4 values (1, 1), (2, 2), (3, 3);
3 rows inserted/updated/deleted
ij> -- Incremental queries building up to the query in question...
select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d;
A |B |C |D
-----------------------------------------------
-2 |2 |2 |-2
1 |1 |NULL |NULL
3 |3 |NULL |NULL
ij> select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d
where d3023_t1.a = -2;
A |B |C |D
-----------------------------------------------
-2 |2 |2 |-2
ij> select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d
inner join d3023_t3 on d3023_t1.a = d3023_t3.j;
A |B |C |D |I |J
-----------------------------------------------------------------------
-2 |2 |2 |-2 |-3 |-2
1 |1 |NULL |NULL |-2 |1
ij> select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d
inner join d3023_t3 on d3023_t1.a = d3023_t3.j
where d3023_t1.a = -2;
A |B |C |D |I |J
-----------------------------------------------------------------------
-2 |2 |2 |-2 |-3 |-2
ij> -- This query only returns a single row, even without the
-- explicit search predicate.
select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d
inner join d3023_t3 on d3023_t1.a = d3023_t3.j
inner join d3023_t4 on d3023_t2.c = d3023_t4.x;
A |B |C |D |I |J |X |Y
-----------------------------------------------------------------------------------------------
-2 |2 |2 |-2 |-3 |-2 |2 |2
ij> -- Slight variation of the same query. Add a search predicate
-- enforcing "d3023_t1.a = -2" to the join condition. Since the
-- row we saw in the previous query satisifies that predicate,
-- we should see the same row again.
select distinct * from
d3023_t1 left outer join d3023_t2
on d3023_t1.a = d3023_t2.d AND d3023_t1.a = -2
inner join d3023_t3 on d3023_t1.a = d3023_t3.j
inner join d3023_t4 on d3023_t2.c = d3023_t4.x;
A |B |C |D |I |J |X |Y
-----------------------------------------------------------------------------------------------
-2 |2 |2 |-2 |-3 |-2 |2 |2
ij> -- Same query as above, but with the predicate "d3023_t1.a = -2"
-- sitting at the top-most (outer) SELECT. That makes the predicate
-- available for inclusion in the "search transitive closure" logic
-- for the outer SELECT. That said, prior to the fix for DERBY-3023,
-- search transitive closure was incorrectly adding a new predicate,
-- d3023_t4.x = -2, to the query. This was because two different
-- column references were incorrectly mapped to the same column
-- position w.r.t. the outer join: i.e. "d3023_t1.a" in the search
-- predicate "d3023_t1.a = -2" AND "d3023_t2.c" in the join predicate
-- "d3023_t2.c = d3023_t4.x" were BOTH referencing the first column
-- in the HalfOuterJoinNode. As a result, the search transitive
-- closure logic thought that there was transitive equality between
-- the two predicates, which was incorrect. That in turn caused the
-- query to return incorrect results (no rows). With the fix for
-- DERBY-3023, this query should now return a single row.
select distinct * from
d3023_t1 left outer join d3023_t2 on d3023_t1.a = d3023_t2.d
inner join d3023_t3 on d3023_t1.a = d3023_t3.j
inner join d3023_t4 on d3023_t2.c = d3023_t4.x
where d3023_t1.a = -2;
A |B |C |D |I |J |X |Y
-----------------------------------------------------------------------------------------------
-2 |2 |2 |-2 |-3 |-2 |2 |2
ij> -- Cleanup.
drop table d3023_t1;
0 rows inserted/updated/deleted
ij> drop table d3023_t2;
0 rows inserted/updated/deleted
ij> drop table d3023_t3;
0 rows inserted/updated/deleted
ij> drop table d3023_t4;
0 rows inserted/updated/deleted
ij> -- Beetle task 5000. Bug found by Websphere. Should not return any rows.
select t1_c1, t1_c2, t2_c1, t2_c2
from t1, t2
where t1_c1 = t2_c1
and t1_c1 = 1
and t2_c1 <> 1;
T1_C1 |T1_C2 |T2_C1 |T2_C2
---------------------------------------------
ij> -- Beetle task 4736
create table a (a1 int not null primary key, a2 int, a3 int, a4 int, a5 int, a6 int);
0 rows inserted/updated/deleted
ij> create table b (b1 int not null primary key, b2 int, b3 int, b4 int, b5 int, b6 int);
0 rows inserted/updated/deleted
ij> create table c (c1 int not null, c2 int, c3 int not null, c4 int, c5 int, c6 int);
0 rows inserted/updated/deleted
ij> create table d (d1 int not null, d2 int, d3 int not null, d4 int, d5 int, d6 int);
0 rows inserted/updated/deleted
ij> alter table c add primary key (c1,c3);
0 rows inserted/updated/deleted
ij> alter table d add primary key (d1,d3);
0 rows inserted/updated/deleted
ij> insert into a values (1,1,3,6,NULL,2),(2,3,2,4,2,2),(3,4,2,NULL,NULL,NULL),
(4,NULL,4,2,5,2),(5,2,3,5,7,4),(7,1,4,2,3,4),
(8,8,8,8,8,8),(6,7,3,2,3,4);
8 rows inserted/updated/deleted
ij> insert into b values (6,7,2,3,NULL,1),(4,5,9,6,3,2),(1,4,2,NULL,NULL,NULL),
(5,NULL,2,2,5,2),(3,2,3,3,1,4),(7,3,3,3,3,3),(9,3,3,3,3,3);
7 rows inserted/updated/deleted
ij> insert into c values (3,7,7,3,NULL,1),(8,3,9,1,3,2),(1,4,1,NULL,NULL,NULL),
(3,NULL,1,2,4,2),(2,2,5,3,2,4),(1,7,2,3,1,1),(3,8,4,2,4,6);
7 rows inserted/updated/deleted
ij> insert into d values (1,7,2,3,NULL,3),(2,3,9,1,1,2),(2,2,2,NULL,3,2),
(1,NULL,3,2,2,1),(2,2,5,3,2,3),(2,5,6,3,7,2);
6 rows inserted/updated/deleted
ij> select a1,b1,c1,c3,d1,d3
from D join (A left outer join (B join C on b2=c2) on a1=b1)
on d3=b3 and d1=a2;
A1 |B1 |C1 |C3 |D1 |D3
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |2
7 |7 |8 |9 |1 |3
ij> select a1,b1,c1,c3,d1,d3
from D join ((B join C on b2=c2) right outer join A on a1=b1)
on d3=b3 and d1=a2;
A1 |B1 |C1 |C3 |D1 |D3
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |2
7 |7 |8 |9 |1 |3
ij> -- JIRA 1089: demonstrate that a table with an identity column generated
-- always can be used as the target of an insert-as-select join:
create table j1089_source (source_id int);
0 rows inserted/updated/deleted
ij> insert into j1089_source values (0);
1 row inserted/updated/deleted
ij> create table j1089_dest (
dest_id int not null primary key generated always as identity,
source_id_1 int not null,
source_id_2 int not null);
0 rows inserted/updated/deleted
ij> insert into j1089_dest (source_id_1, source_id_2)
select s1.source_id, s2.source_id
from j1089_source as s1
join j1089_source as s2 on 1 = 1;
1 row inserted/updated/deleted
ij> select * from j1089_dest;
DEST_ID |SOURCE_ID_1|SOURCE_ID_2
-----------------------------------
1 |0 |0
ij> -- DERBY-3538 NullPointerException during execution for query with LEFT
-- OUTER JOIN whose inner table selects all constants.
create table t3538 (i int, j int);
0 rows inserted/updated/deleted
ij> insert into t3538 values (-1, -2), (-2, -4), (-3, -9);
3 rows inserted/updated/deleted
ij> select * from
t3538 left outer join
(select -1 a, 1 b from t3538) x0 --DERBY-PROPERTIES joinStrategy=NESTEDLOOP
on x0.a = t3538.i;
I |J |A |B
-----------------------------------------------
-1 |-2 |-1 |1
-1 |-2 |-1 |1
-1 |-2 |-1 |1
-2 |-4 |NULL |NULL
-3 |-9 |NULL |NULL
ij> --- regression test for an old optimizer problem; when the bug occurred,
-- hash join queries with 'or' would return incorrect results.
create table t5929_1 ( i int, j int, k int);
0 rows inserted/updated/deleted
ij> create table t5929_2 ( i int, j int, k int);
0 rows inserted/updated/deleted
ij> insert into t5929_1 values (1, 1, 1), (2, 1, 2);
2 rows inserted/updated/deleted
ij> insert into t5929_1 select i+2, j, k from t5929_1;
2 rows inserted/updated/deleted
ij> insert into t5929_1 select i+4, j, k from t5929_1;
4 rows inserted/updated/deleted
ij> insert into t5929_2 select * from t5929_1;
8 rows inserted/updated/deleted
ij> -- This query should return 32 rows, but it returned 64 before fix
select * from --DERBY-PROPERTIES joinOrder=fixed
t5929_1, t5929_2 --DERBY-PROPERTIES joinStrategy=nestedLoop
where t5929_1.j=t5929_2.j and (t5929_2.j=1 and (t5929_2.k=1 or t5929_2.j=4));
I |J |K |I |J |K
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |1
1 |1 |1 |3 |1 |1
1 |1 |1 |5 |1 |1
1 |1 |1 |7 |1 |1
2 |1 |2 |1 |1 |1
2 |1 |2 |3 |1 |1
2 |1 |2 |5 |1 |1
2 |1 |2 |7 |1 |1
3 |1 |1 |1 |1 |1
3 |1 |1 |3 |1 |1
3 |1 |1 |5 |1 |1
3 |1 |1 |7 |1 |1
4 |1 |2 |1 |1 |1
4 |1 |2 |3 |1 |1
4 |1 |2 |5 |1 |1
4 |1 |2 |7 |1 |1
5 |1 |1 |1 |1 |1
5 |1 |1 |3 |1 |1
5 |1 |1 |5 |1 |1
5 |1 |1 |7 |1 |1
6 |1 |2 |1 |1 |1
6 |1 |2 |3 |1 |1
6 |1 |2 |5 |1 |1
6 |1 |2 |7 |1 |1
7 |1 |1 |1 |1 |1
7 |1 |1 |3 |1 |1
7 |1 |1 |5 |1 |1
7 |1 |1 |7 |1 |1
8 |1 |2 |1 |1 |1
8 |1 |2 |3 |1 |1
8 |1 |2 |5 |1 |1
8 |1 |2 |7 |1 |1
ij> -- This query should return identical to the above query
select * from --DERBY-PROPERTIES joinOrder=fixed
t5929_1, t5929_2 --DERBY-PROPERTIES joinStrategy=hash
where t5929_1.j=t5929_2.j and (t5929_2.j=1 and t5929_2.k=1);
I |J |K |I |J |K
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |1
1 |1 |1 |3 |1 |1
1 |1 |1 |5 |1 |1
1 |1 |1 |7 |1 |1
2 |1 |2 |1 |1 |1
2 |1 |2 |3 |1 |1
2 |1 |2 |5 |1 |1
2 |1 |2 |7 |1 |1
3 |1 |1 |1 |1 |1
3 |1 |1 |3 |1 |1
3 |1 |1 |5 |1 |1
3 |1 |1 |7 |1 |1
4 |1 |2 |1 |1 |1
4 |1 |2 |3 |1 |1
4 |1 |2 |5 |1 |1
4 |1 |2 |7 |1 |1
5 |1 |1 |1 |1 |1
5 |1 |1 |3 |1 |1
5 |1 |1 |5 |1 |1
5 |1 |1 |7 |1 |1
6 |1 |2 |1 |1 |1
6 |1 |2 |3 |1 |1
6 |1 |2 |5 |1 |1
6 |1 |2 |7 |1 |1
7 |1 |1 |1 |1 |1
7 |1 |1 |3 |1 |1
7 |1 |1 |5 |1 |1
7 |1 |1 |7 |1 |1
8 |1 |2 |1 |1 |1
8 |1 |2 |3 |1 |1
8 |1 |2 |5 |1 |1
8 |1 |2 |7 |1 |1
ij> select * from --DERBY-PROPERTIES joinOrder=fixed
t5929_1, t5929_2 --DERBY-PROPERTIES joinStrategy=hash
where t5929_1.j=t5929_2.j and (t5929_2.j=1 and (t5929_2.k=1 or t5929_2.j+1=5));
I |J |K |I |J |K
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |1
1 |1 |1 |3 |1 |1
1 |1 |1 |5 |1 |1
1 |1 |1 |7 |1 |1
2 |1 |2 |1 |1 |1
2 |1 |2 |3 |1 |1
2 |1 |2 |5 |1 |1
2 |1 |2 |7 |1 |1
3 |1 |1 |1 |1 |1
3 |1 |1 |3 |1 |1
3 |1 |1 |5 |1 |1
3 |1 |1 |7 |1 |1
4 |1 |2 |1 |1 |1
4 |1 |2 |3 |1 |1
4 |1 |2 |5 |1 |1
4 |1 |2 |7 |1 |1
5 |1 |1 |1 |1 |1
5 |1 |1 |3 |1 |1
5 |1 |1 |5 |1 |1
5 |1 |1 |7 |1 |1
6 |1 |2 |1 |1 |1
6 |1 |2 |3 |1 |1
6 |1 |2 |5 |1 |1
6 |1 |2 |7 |1 |1
7 |1 |1 |1 |1 |1
7 |1 |1 |3 |1 |1
7 |1 |1 |5 |1 |1
7 |1 |1 |7 |1 |1
8 |1 |2 |1 |1 |1
8 |1 |2 |3 |1 |1
8 |1 |2 |5 |1 |1
8 |1 |2 |7 |1 |1
ij> select * from --DERBY-PROPERTIES joinOrder=fixed
t5929_2, t5929_1 --DERBY-PROPERTIES joinStrategy=hash
where t5929_1.j=t5929_2.j and (t5929_2.j=1 and (t5929_2.k=1 or t5929_2.j=4));
I |J |K |I |J |K
-----------------------------------------------------------------------
1 |1 |1 |1 |1 |1
1 |1 |1 |2 |1 |2
1 |1 |1 |3 |1 |1
1 |1 |1 |4 |1 |2
1 |1 |1 |5 |1 |1
1 |1 |1 |6 |1 |2
1 |1 |1 |7 |1 |1
1 |1 |1 |8 |1 |2
3 |1 |1 |1 |1 |1
3 |1 |1 |2 |1 |2
3 |1 |1 |3 |1 |1
3 |1 |1 |4 |1 |2
3 |1 |1 |5 |1 |1
3 |1 |1 |6 |1 |2
3 |1 |1 |7 |1 |1
3 |1 |1 |8 |1 |2
5 |1 |1 |1 |1 |1
5 |1 |1 |2 |1 |2
5 |1 |1 |3 |1 |1
5 |1 |1 |4 |1 |2
5 |1 |1 |5 |1 |1
5 |1 |1 |6 |1 |2
5 |1 |1 |7 |1 |1
5 |1 |1 |8 |1 |2
7 |1 |1 |1 |1 |1
7 |1 |1 |2 |1 |2
7 |1 |1 |3 |1 |1
7 |1 |1 |4 |1 |2
7 |1 |1 |5 |1 |1
7 |1 |1 |6 |1 |2
7 |1 |1 |7 |1 |1
7 |1 |1 |8 |1 |2
ij> -----------------------------------
-- clean up
----------------------------------
drop table a;
0 rows inserted/updated/deleted
ij> drop table b;
0 rows inserted/updated/deleted
ij> drop table c;
0 rows inserted/updated/deleted
ij> drop table d;
0 rows inserted/updated/deleted
ij> drop table t1;
0 rows inserted/updated/deleted
ij> drop table t2;
0 rows inserted/updated/deleted
ij> drop table t3;
0 rows inserted/updated/deleted
ij> drop table t4;
0 rows inserted/updated/deleted
ij> drop table instab;
0 rows inserted/updated/deleted
ij> drop table x;
0 rows inserted/updated/deleted
ij> drop table y;
0 rows inserted/updated/deleted
ij> drop table j1089_source;
0 rows inserted/updated/deleted
ij> drop table j1089_dest;
0 rows inserted/updated/deleted
ij> drop table t3538;
0 rows inserted/updated/deleted
ij> drop table t5929_1;
0 rows inserted/updated/deleted
ij> drop table t5929_2;
0 rows inserted/updated/deleted
ij>
|
