Is there an interface that...

Is there an interface language that:

1.  Supports usual programming features like maps, sorting, etc.
2.  Can return sets.
3.  Supports cursors.
4.  Allows function definitions to be source.

#1 eliminates PL/pgSQL.
#2 eliminates PL/Tcl
#3 eliminates PL/Python
#4 eliminates PL/Java

I didn't look at Perl because I don't like Perl (just my personal
preference).

Any suggestions?

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