David Fetter wrote:
>In src/backend/utils/adt/arrayfuncs.c there are direct
>array-manipulation functions.
>
And in other places - I had already found that stuff :-) . But a worked
example would help. If it's not available I'll muddle through some time.
> In the perlapi docs for perl, there are
>ways to manipulate arrays directly.
>
The patch is already using them. In fact, you can't delve even mildly
into plperl.c without having the perlapi docs close at hand.
> It should be possible to go
>between perl arrays and postgresql arrays this way, except...perl
>arrays can contain undef, which usually translates as NULL. Would it
>be easier to add NULL support to postgresql arrays than to handle
>undefs in perl arrays automagically?
>
>
>
>
We should have NULL support in arrays. In the absence of that I'm not
particularly inclined to make special provsion for undef in an array.
cheers
andrew