Robert Haas <robertmh...@gmail.com> wrote: > There are languages much less obscure than Haskell that support > passing functions as arguments to other functions, such as C. Or Java, which lets you, for example, pass a Class or Method as an argument, and includes support for generics. I see that pgfoundry has pl/Java, which has an activity percentile of 91.08%. I'm not sure whether this could address the needs that started this discussion, since I assume such capabilities would only be usable when invoking one Java method from another. I'm just saying -- these features aren't all that esoteric; we use introspection and reflection within our Java software. While we probably wouldn't use such features in PostgreSQL (if they were there) because of our portability mandate; I can certainly understand those who don't mind PostgreSQL-specific code and want to move more of the business logic to the DBMS wanting such features. -Kevin
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