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Timeout should abort transaction #6

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Timeout should abort transaction #6

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24 changes: 18 additions & 6 deletions ZPsycopgDA/db.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import psycopg2
from psycopg2.extensions import INTEGER, LONGINTEGER, BOOLEAN, DATE, TIME
from psycopg2.extensions import TransactionRollbackError, register_type
from psycopg2.extensions import QueryCanceledError
from psycopg2 import NUMBER, STRING, ROWID, DATETIME


Expand Down Expand Up @@ -162,7 +163,7 @@ def columns(self, table_name):

def query(self, query_string, max_rows=None, query_data=None):
self._register()
self.calls = self.calls+1
self.calls = self.calls + 1

desc = ()
res = []
Expand All @@ -178,16 +179,27 @@ def query(self, query_string, max_rows=None, query_data=None):
else:
c.execute(qs)
except TransactionRollbackError:
# Ha, here we have to look like we are the ZODB raising conflict errrors, raising ZPublisher.Publish.Retry just doesn't work
#logging.debug("Serialization Error, retrying transaction", exc_info=True)
raise ConflictError("TransactionRollbackError from psycopg2")
# Ha, here we have to look like we are the ZODB raising
# conflict errrors, raising ZPublisher.Publish.Retry just
# doesn't work
# logging.debug(
# "Serialization Error, retrying transaction",
# exc_info=True)
raise ConflictError(
"TransactionRollbackError from psycopg2")
except QueryCanceledError:
raise StandardError(
"canceling statement due to statement timeout")
except psycopg2.OperationalError:
#logging.exception("Operational error on connection, closing it.")
# logging.exception(
# "Operational error on connection, closing it.")
try:
# Only close our connection
self.putconn(True)
except:
#logging.debug("Something went wrong when we tried to close the pool", exc_info=True)
# logging.debug(
# "Something went wrong when we tried to close the"
# " pool", exc_info=True)
pass
if c.description is not None:
nselects += 1
Expand Down