1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Bug #28499924: INCORRECT BEHAVIOR WITH UNION IN SUBQUERY

Browse Source 
test case
This commit is contained in:
Sergei Golubchik 2019-01-22 00:15:57 +01:00
parent b20d94da35
commit a8da66f8c5
2 changed files with 42 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
mysql-test/r/subselect2.result
View File

@ -394,3 +394,25 @@ select null in (select a from t1 where a < out3.a union select a from t2 where
(select a from t3) +1 < out3.a+1) from t3 out3;
ERROR 21000: Subquery returns more than 1 row
drop table t1, t2, t3;
CREATE TABLE t1(
q11 int, q12 int, q13 int, q14 int, q15 int, q16 int, q17 int, q18 int, q19 int,
q21 int, q22 int, q23 int, q24 int, q25 int, q26 int, q27 int, q28 int, q29 int,
f1 int
);
CREATE TABLE t2(f2 int, f21 int, f3 timestamp, f4 int, f5 int, f6 int);
INSERT INTO t1 (f1) VALUES (1),(1),(2),(2);
INSERT INTO t2 VALUES (1,1,"2004-02-29 11:11:11",0,0,0), (2,2,"2004-02-29 11:11:11",0,0,0);
SELECT f1,
(SELECT t.f21 from t2 t where max(
q11+q12+q13+q14+q15+q16+q17+q18+q19+
q21+q22+q23+q24+q25+q26+q27+q28+q29) = t.f2 UNION
SELECT t.f3 FROM t2 AS t WHERE t1.f1=t.f2 AND t.f3=MAX(t1.f1) UNION
SELECT 1 LIMIT 1) AS test
FROM t1 GROUP BY f1;
f1 test
1 1
2 1
Warnings:
Warning 1292 Incorrect datetime value: '1'
Warning 1292 Incorrect datetime value: '2'
DROP TABLE t1,t2;

20
mysql-test/t/subselect2.test
View File

@ -411,3 +411,23 @@ insert into t3 select a from t1;
select null in (select a from t1 where a < out3.a union select a from t2 where
(select a from t3) +1 < out3.a+1) from t3 out3;
drop table t1, t2, t3;
#
# Bug #28499924: INCORRECT BEHAVIOR WITH UNION IN SUBQUERY
#
CREATE TABLE t1(
q11 int, q12 int, q13 int, q14 int, q15 int, q16 int, q17 int, q18 int, q19 int,
q21 int, q22 int, q23 int, q24 int, q25 int, q26 int, q27 int, q28 int, q29 int,
f1 int
);
CREATE TABLE t2(f2 int, f21 int, f3 timestamp, f4 int, f5 int, f6 int);
INSERT INTO t1 (f1) VALUES (1),(1),(2),(2);
INSERT INTO t2 VALUES (1,1,"2004-02-29 11:11:11",0,0,0), (2,2,"2004-02-29 11:11:11",0,0,0);
SELECT f1,
(SELECT t.f21 from t2 t where max(
q11+q12+q13+q14+q15+q16+q17+q18+q19+
q21+q22+q23+q24+q25+q26+q27+q28+q29) = t.f2 UNION
SELECT t.f3 FROM t2 AS t WHERE t1.f1=t.f2 AND t.f3=MAX(t1.f1) UNION
SELECT 1 LIMIT 1) AS test
FROM t1 GROUP BY f1;
DROP TABLE t1,t2;