On 2015-04-26 18:02:06 -0700, Peter Geoghegan wrote: > * So far, there has been a lack of scrutiny about what the patch does > in the rewriter (in particular, to support the EXCLUDED.* pseudo-alias > expression) and optimizer (the whole concept of an "auxiliary" > query/plan that share a target RTE, and later target ResultRelation). > If someone took a close look at that, it would be most helpful. > ruleutils.c is also modified for the benefit of EXPLAIN output. This > all applies only to the ON CONFLICT UPDATE patch. A committer could > push out the IGNORE patch before this was 100% firm.
I'm far from an expert on the relevant regions; but I'm starting to look nonetheless. I have to say that on a preliminary look it looks more complicated than it has to. Tom, any chance you could have a look at the parse->analsys->executor transformations? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers