Add some comments about division of labor between rewriter and planner.
Tom Lane <tgl@sss.pgh.pa.us>
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.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/optimizer/prep/preptlist.c | modified | +16 −3 |