Is there a known issue with the PL/Python extension clearing the SD dict under
some circumstances? As suggested by the documentation, my plpythonu uses the SD
dict for one-time (prepare and ConfigParser) logic:
CREATE OR REPLACE FUNCTION change_notify() RETURN TRIGGER AS $$
...
If len(SD) == 0:
# one time logic
config = ConfigParser.RawConfigParser()
config.read('...')
SD['x'] = config.get('...','...')
SD['plan'] = plpy.prepare('...')
...
x = SD['x']
plan = SD['plan']
To test this trigger after creation, I use psql and force a db update to cause
it to fire. If I do multiple updates within psql, the SD dict is only empty for
the first update. Yeah!
But if I quit and restart psql and do a subsequent db update, the SD dict is
empty again and the one-time logic has to run again. What is clearing the dict?
Is that expected?
Ken
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