Hi folks,
I've just run into a subtle but fairly serious race condition while using
web.py's SQL library to insert multiple rows into the database and return
their IDs (a serial primary key column). Specifically I'm using the
multiple_insert() function that web.py defines here:
On Mon, Mar 31, 2014 at 03:28:14PM -0400, Ben Hoyt wrote:
, but I've just hit a case where two sessions each doing a
multiple insert don't use sequential IDs. For example, the range code above
for the first insert gave 2117552...2117829. And the second insert gave
2117625...2117818. Which are
Andrew Sullivan-8 wrote
So currently I've changed my code to use RETURNING and then I'm ordering
the results based on a secondary column that I know the order of. This
works, but seems clunky, so I'm wondering if there's a nicer way.
This is probably what I'd do, assuming that further
On Mon, Mar 31, 2014 at 01:34:04PM -0700, David Johnston wrote:
If order is an implicit property of the source data then you need to
explicitly encode that order during (or before) import.
Sure, but the problem the OP had I thought was that the RETURNING
clause doesn't guarantee that the
