SQL user function returning list for IN clause
__peter__ at web.de
Fri Oct 16 19:27:30 CEST 2009
>> Define a function foobar_contains() as follows:
>> def foobar_contains(foo, bar):
>> return foo in foobar(bar)
>> and change the query to
>> select * from table a, table b where foobar_contains(a.foo, b.bar)
> I thought about that (see above), but it would not use an index on
> a.foo which a regular a.foo IN (x,y,z) does.
Sorry for not reading your post carefully.
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