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Ignore already removed deallocated prepared statement headers #249

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Oct 11, 2022
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Ignore already removed deallocated prepared statement headers #249

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2 changes: 1 addition & 1 deletion trino/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -607,7 +607,7 @@ def process(self, http_response) -> TrinoStatus:
for name in get_header_values(
http_response.headers, constants.HEADER_DEALLOCATED_PREPARE
):
self._client_session.prepared_statements.pop(name)
self._client_session.prepared_statements.pop(name, None)
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Can we add a debug log or a warnings.warn here since ideally this should not be happenning at all. We should try to collect when this happens and why and fix it.

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Useful information to log would be the statement we are trying to deallocate, the current state of the prepared_statements dict and the response headers we received.


self._next_uri = response.get("nextUri")

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