villebro commented on code in PR #21035:
URL: https://github.com/apache/superset/pull/21035#discussion_r942439931
##########
superset/db_engine_specs/trino.py:
##########
@@ -127,14 +129,42 @@ def get_tracking_url(cls, cursor: "Cursor") ->
Optional[str]:
return None
@classmethod
- def handle_cursor(cls, cursor: "Cursor", query: Query, session: Session)
-> None:
- """Updates progress information"""
+ def handle_cursor(cls, cursor: Cursor, query: Query, session: Session) ->
None:
tracking_url = cls.get_tracking_url(cursor)
if tracking_url:
query.tracking_url = tracking_url
- session.commit()
+
+ # Adds the executed query id to the extra payload so the query can be
cancelled
+ query.set_extra_json_key("cancel_query", cursor.stats["queryId"])
+
+ session.commit()
BaseEngineSpec.handle_cursor(cursor=cursor, query=query,
session=session)
+ @classmethod
+ def has_implicit_cancel(cls) -> bool:
+ return False
+
+ @classmethod
+ def cancel_query(cls, cursor: Any, query: Query, cancel_query_id: str) ->
bool:
+ """
+ Cancel query in the underlying database.
+
+ :param cursor: New cursor instance to the db of the query
+ :param query: Query instance
+ :param cancel_query_id: Trino `queryId`
+ :return: True if query cancelled successfully, False otherwise
+ """
+ try:
+ cursor.execute(
+ f"CALL system.runtime.kill_query('{cancel_query_id}',"
+ "'Query cancelled by Superset')"
+ )
Review Comment:
>
[trinodb/trino-python-client#195](https://github.com/trinodb/trino-python-client/pull/195)
add cancel query on `cursor.close()` - release in trino driver 0.315
>
> @villebro did u test it out. If it's work, I think it's better to just
upgrade trino driver to 0.315
Thanks, I wasn't aware of this! Interesting - this was actually already
tested on 0.315. But let me look into this more closely.
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