On Saturday 14 November 2009 01:03:33 Kevin Grittner wrote: > It is in context format, applies cleanly, and passes "make check". Unfortunately the latter is not saying much - I had a bug there and it was not found by the regression tests. Perhaps I should take a stab and add at least some more...
> It is in context format, applies cleanly, and passes "make check". > Next I read through the code, and have the same question that Andres > posed 12 days ago. His patch massively reduces the cost of the parser > recursively calling itself for some cases, and it seems like the least > invasive way to modify the parser to solve this performance problem; > but it does beg the question of why a state machine like this should > recursively call itself when it hits certain states. I was wondering about that as well. I am not completely sure but to me it looks like its just done to reduce the amount of rules and states. I have to say that that code is not exactly clear and well documented... Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers