> Did some docs copy-editing and integrated some examples.
Whoops, forgot to attach.
Rather than sending a whole new copy of the patch, here's a diff against your patched tree of my changes so you can see what I've done and apply the parts you want.
Note that I didn't updated the expected files.
I applied your patch - there is small misunderstanding. The PATH is evaluated once for input row already. It is not clean in code, because it is executor node started and running for all rows. I changed it in your part of doc.
to a simple value before calling the function. <literal>PATH</> + expressions are normally evaluated <emphasis>exactly once per result row ## per input row + </emphasis>,
