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Add a little context of why this code exists

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Gavin M. Roy 2020-08-11 19:40:56 -04:00
parent 9a49d769df
commit e880017fc8
1 changed files with 7 additions and 0 deletions
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7
sprockets_postgres.py
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@ -266,6 +266,13 @@ class PostgresConnector:
'Unexpected value for ProgrammingError(%s).pgcode: %r', 'Unexpected value for ProgrammingError(%s).pgcode: %r',
err, err.pgcode) err, err.pgcode)
# This logic exists so that we can wrap the results and quickly free
# the cursor / connection. We do not know if the query was a SELECT,
# INSERT, UPDATE, or DELETE and we may impact multiple rows, but not
# have any data to retrieve. The ProgrammingErrror is raised in this
# context. It is raised in other contexts, such as when there is an
# error in the query, but that will be caught on L248
if self.cursor.rowcount == 1: if self.cursor.rowcount == 1:
try: try:
row = dict(await self.cursor.fetchone()) row = dict(await self.cursor.fetchone())