| From: | Karol Trzcionka <karlikt(at)gmail(dot)com> |
|---|---|
| To: | David Fetter <david(at)fetter(dot)org> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, Marko Tiikkaja <marko(at)joh(dot)to>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: GSOC13 proposal - extend RETURNING syntax |
| Date: | 2013-07-23 07:39:26 |
| Message-ID: | 51EE332E.7070307@gmail.com |
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| Lists: | pgsql-hackers |
W dniu 23.07.2013 06:22, David Fetter pisze:
> What problem or problems did you notice, and what did you change to
> fix them?
"UPDATE ... FROM" generated "ERROR: variable not found in subplan
target lists". I've added some workaround in add_vars_to_targetlist:
- if it is an "after" - simple change var->varno to base RTE (it should
always exists, the value is temporary, it will change to OUTER_VAR)
- if it is a "before" - add to targetlist new var independently from
rel->attr_needed[attno].
Additionally I've change build_joinrel_tlist to ignore any "BEFORE"
RTEs. The regression tests are updated.
Regards,
Karol
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