Hi Heikki Heikki Linnakangas schrieb: > Sven Geisler wrote: >> I have to refactoring a 'DELETE FROM x WHERE y IN (...)' because IN got >> to much parameters. => 'stack depth limit exceeded' >> I don't want to increase just the parameter for max_stack_depth. It is >> better to refactoring because the number of arguments to IN may increase >> in the future. [...] >> >> BTW: The arguments are generate in the application tier. I would have to >> create a temporary table which I can use in 'DELETE FROM x WHERE y IN >> (SELECT z FROM tmp)'. > > I think that's exactly what you should do. I have to insert my arguments to a temporary table first, because the arguments are only known in the application tier. Is a multiple insert to a temporary table and a final 'DELETE FROM x WHERE y IN (SELECT z FROM tmp)' faster than multiple deletes? Sven.