morningman opened a new pull request, #26492:
URL: https://github.com/apache/doris/pull/26492
## Proposed changes
Support a new stmt in Nereids:
`CALL EXECUTE_STMT("ddl", "jdbc", "stmt")`
So that we can pass the origin stmt directly to the datasource of a jdbc
catalog.
show case:
```
mysql> select * from mysql_catalog.yy.tbl1;
+------+------+
| k1 | k2 |
+------+------+
| 111 | 222 |
+------+------+
1 row in set (0.63 sec)
mysql> call execute_stmt("DDL", "mysql_catalog", "insert into yy.tbl1
values(1,'abc')");
Query OK, 0 rows affected (0.01 sec)
mysql> select * from mysql_catalog.yy.tbl1;
+------+------+
| k1 | k2 |
+------+------+
| 111 | 222 |
| 1 | abc |
+------+------+
2 rows in set (0.03 sec)
mysql> call execute_stmt("DDL", "mysql_catalog", "delete from yy.tbl1 where
k1=111");
Query OK, 0 rows affected (0.01 sec)
mysql> select * from mysql_catalog.yy.tbl1;
+------+------+
| k1 | k2 |
+------+------+
| 1 | abc |
+------+------+
1 row in set (0.03 sec)
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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