Re: pseudo-type record arguments for PL-functions

Thomas Hallgren <thomas@tada.se> writes:
> The thing that makes me a bit confused is the 
> ArrayMetaState. The functions obtain it using:

>     my_extra = (ArrayMetaState *) fcinfo->flinfo->fn_extra;

> which is fine if there's only one array parameter. What happens if I 
> have two?

Make a struct that can hold two ArrayMetaStates.  Or whatever else you
need.  What a C function keeps in fn_extra is its own affair.
        regards, tom lane