> Here's another workaround that may let you use a prepared statement:
>
> prepare ps(...) as
> select f(c) from (select c from t where [expr] limit 1) as t1
>
> -Mike
I was just exploring that. In fact, the problem is not limited to
prepared statements...it's just that they are more likely to run a
seqscan so I noticed it there first. Since I am in a situation where I
need very strict control over when and why f gets executed, I pretty
much have to go with the subquery option.
That said, it just seems that out of result set excecutions of f should
be in violation of something...
Merlin
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