-
10.1.15, 10.1.17-1
Description:
Output:
=====
mysql> create table t1(c1 int, c2 int, c3 int);
|
Query OK, 0 rows affected (0.00 sec)
|
|
mysql> insert into t1 values(1,1,1),(2,2,2),(3,3,3);
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Query OK, 3 rows affected (0.00 sec)
|
Records: 3 Duplicates: 0 Warnings: 0
|
|
mysql> select * from t1;
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+------+------+------+
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| c1 | c2 | c3 |
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+------+------+------+
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| 1 | 1 | 1 |
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| 2 | 2 | 2 |
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| 3 | 3 | 3 |
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+------+------+------+
|
3 rows in set (0.00 sec)
|
|
mysql> create table t2(c1 int, c2 int);
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Query OK, 0 rows affected (0.00 sec)
|
|
mysql> insert into t2 values(2,2);
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Query OK, 1 row affected (0.00 sec)
|
|
mysql> select * from t2;
|
+------+------+
|
| c1 | c2 |
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+------+------+
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| 2 | 2 |
|
+------+------+
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1 row in set (0.00 sec)
|
|
mysql> select c1 from t1 having c1 >= (select t.c1 as c from t2 t order by (select min(t1.c1+c) from t2 tt));
|
Empty set (0.00 sec)
|
|
mysql> select version();
|
+-----------------+
|
| version() |
|
+-----------------+
|
| 10.1.10-MariaDB |
|
+-----------------+
|
1 row in set (0.00 sec)
|
|
Problem:
=====
Since (select t.c1 as c from t2 ...) can only produce one value 2, the condition c1 > 2 should not produce `Empty Set` result.
How to repeat:
drop table if exists t1,t2;
|
create table t1(c1 int, c2 int, c3 int);
|
insert into t1 values(1,1,1),(2,2,2),(3,3,3);
|
select * from t1;
|
create table t2(c1 int, c2 int);
|
insert into t2 values(2,2);
|
select * from t2;
|
select c1 from t1 having c1 >= (select t.c1 as c from t2 t order by (select min(t1.c1+c) from t2 tt));
|
|
Suggested fix:
Non empty set is returned for the query.
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