]> granicus.if.org Git - postgresql/commit
Add some comments about division of labor between rewriter and planner.
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 29 Dec 2015 23:50:35 +0000 (18:50 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 29 Dec 2015 23:50:35 +0000 (18:50 -0500)
commitefe4c9d7049f0bf832b792bfad05c92aaf86aa3c
tree228351a395e93b60800eb8a1f4482582ae10f62b
parentfd1952575618cacf7afa544d8b89ddb77be9eaee
Add some comments about division of labor between rewriter and planner.

The rationale for the way targetlist processing is done wasn't clearly
stated anywhere, and I for one had forgotten some of the details.  Having
just painfully re-learned them, add some breadcrumbs for the next person.
src/backend/optimizer/prep/preptlist.c