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Hackish bug fix for hanging connections on large queries

If the query is large, psycopg2 sets async status to WRITE and requires
additional calls to poll() to flush the query to postgresql.  Momoko was
telling tornado to only listen for READ, so poll() was never called and
the query would hang
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commit fbc8b8984b044fc4256fe931737bf71e77ae9ade 1 parent e4bbd17
@stevearc stevearc authored
Showing with 2 additions and 2 deletions.
  1. +2 −2 momoko/
4 momoko/
@@ -318,8 +318,8 @@ def cursor(self, function, function_args, callback, cursor_kwargs={}):
getattr(cursor, function)(*function_args)
self._callbacks = [partial(callback, cursor)]
- # Connection state should be 1 (write)
- self._ioloop.update_handler(self._fileno, IOLoop.READ)
+ # Fire callback immediately To correctly set the update handler
+ self._io_callback(None, None)
def _io_callback(self, fd, events):
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