Andrew Dunstan wrote:
Tom Lane wrote:
I kinda thought you had volunteered to work on the psql part...
I don't recall being that specific, but you could be right. In any case, I didn't want to trip over anyone else, which is why I asked.
I will try to coordinate with Jon.
After staring at the code for a long time, I think I see how to do this. It's complicated a bit by the fact that $ is a valid identifier character. So my current thinking is to say that if we see $ not in a quote and not preceded by a valid identifier char then it is the start of a $foo$ sequence. Or have I missed something? Can we validly see $ in any other context?
BTW, Tom's proof of concept patch worked just fine for me. I changed the allowed pattern to what I think was agreed:
dolqdelim \$([A-Za-z\200-\377][A-Za-z\200-\377_0-9]*)?\$
and changed some names and comments to remove misleading references to "here docs".
cheers
andrew
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