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Fix SSCursor raising query timeout error on wrong query on MySQL DB #1035

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Merged
methane merged 5 commits into from
May 23, 2023
Merged

Fix SSCursor raising query timeout error on wrong query on MySQL DB #1035

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dfe1ea2
Add constants and tests related to query timeouts
Nothing4You Feb 3, 2022
852eb5c
Fix SSCursor raising query timeout error on wrong query
Nothing4You Feb 6, 2022
a5e84c1
Merge remote-tracking branch 'upstream/main' into fix-sscursor-raisin…
methane May 23, 2023
77eeff9
Merge branch 'main' into fix-sscursor-raising-error-from-previous-query
methane May 23, 2023
4d2e59c
Update test_cursor.py
methane May 23, 2023
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Fix SSCursor raising query timeout error on wrong query
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@Nothing4You
Nothing4You committed Jul 14, 2022
commit 852eb5c69cbc732e55b29cb9eeb171e7fb5fa78b
1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,7 @@ Release date: TBD
* Dropped support of end of life MySQL version 5.6
* Dropped support of end of life MariaDB versions below 10.3
* Dropped support of end of life Python version 3.6
* Fixed SSCursor raising OperationalError for query timeouts on wrong statement #1032


## v1.0.2
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15 changes: 14 additions & 1 deletion pymysql/connections.py
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Expand Up @@ -1262,7 +1262,20 @@ def _finish_unbuffered_query(self):
# in fact, no way to stop MySQL from sending all the data after
# executing a query, so we just spin, and wait for an EOF packet.
while self.unbuffered_active:
packet = self.connection._read_packet()
try:
packet = self.connection._read_packet()
except err.OperationalError as e:
if e.args[0] in (
ER.QUERY_TIMEOUT,
ER.STATEMENT_TIMEOUT,
):
# if the query timed out we can simply ignore this error
self.unbuffered_active = False
self.connection = None
return

raise

if self._check_packet_is_eof(packet):
self.unbuffered_active = False
self.connection = None # release reference to kill cyclic reference.
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