Details
-
Bug
-
Status: Open (View Workflow)
-
Minor
-
Resolution: Unresolved
-
5.1.67, 5.5.40, 10.0.15, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9
Description
upstream: http://bugs.mysql.com/bug.php?id=38297
CREATE AGGREGATE FUNCTION avgcost
|
RETURNS REAL SONAME "udf_example.so";
|
create table t1(sum int, price float(24), g int);
|
insert into t1 values(100, 50.00, 1), (100, 100.00, 1);
|
insert into t1 values(10, 2.00, 2), (100, 100.00, 2);
|
|
|
MariaDB [test]> select avgcost(sum, price) from t1 where g=1;
|
+---------------------+
|
| avgcost(sum, price) |
|
+---------------------+
|
| 75.0000 |
|
+---------------------+
|
1 row in set (0.06 sec)
|
|
|
MariaDB [test]> select avgcost(sum, price) from t1 where g=2;
|
+---------------------+
|
| avgcost(sum, price) |
|
+---------------------+
|
| 91.0909 |
|
+---------------------+
|
1 row in set (0.00 sec)
|
|
|
MariaDB [test]> select avgcost(sum, price) from t1;
|
+---------------------+
|
| avgcost(sum, price) |
|
+---------------------+
|
| 80.7097 |
|
+---------------------+
|
1 row in set (0.00 sec)
|
|
|
MariaDB [test]> select avgcost(sum, price) from t1 group by g;
|
+---------------------+
|
| avgcost(sum, price) |
|
+---------------------+
|
| 75.0000 |
|
| 91.0909 |
|
+---------------------+
|
|
|
MariaDB [test]> select avgcost(sum, price) from t1 group by g with rollup;
|
+---------------------+
|
| avgcost(sum, price) |
|
+---------------------+
|
| 83.3333 |
|
| 91.0909 |
|
| 91.0909 |
|
+---------------------+
|
The ROLLUP structure is copied however the UDF init function isn't called meaning the initid->ptr is use for an aggregation and the rollup calculation at the same time.
Patch based on upstream submission. Added test case but its not got the correct result yet.