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Avoid unnecessary pg_listening_channels queries on connection release #648

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Feb 10, 2021
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Avoid unnecessary pg_listening_channels queries on connection release #648

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11 changes: 1 addition & 10 deletions asyncpg/connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1501,16 +1501,7 @@ def _get_reset_query(self):
if caps.sql_close_all:
_reset_query.append('CLOSE ALL;')
if caps.notifications and caps.plpgsql:
_reset_query.append('''
DO $$
BEGIN
PERFORM * FROM pg_listening_channels() LIMIT 1;
IF FOUND THEN
UNLISTEN *;
END IF;
END;
$$;
''')
_reset_query.append('UNLISTEN *;')
if caps.sql_reset:
_reset_query.append('RESET ALL;')

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