Allow callers of create_foreignscan_path to specify nondefault PathTarget.
Tom Lane <tgl@sss.pgh.pa.us>
Allow callers of create_foreignscan_path to specify nondefault PathTarget. Although the default choice of rel->reltarget should typically be sufficient for scan or join paths, it's not at all sufficient for the purposes PathTargets were invented for; in particular not for upper-relation Paths. So break API compatibility by adding a PathTarget argument to create_foreignscan_path(). To ease updating of existing code, accept a NULL value of the argument as selecting rel->reltarget.
Files
| Path | Change | +/− |
|---|---|---|
| contrib/file_fdw/file_fdw.c | modified | +1 −0 |
| contrib/postgres_fdw/postgres_fdw.c | modified | +4 −0 |
| src/backend/optimizer/util/pathnode.c | modified | +5 −2 |
| src/include/optimizer/pathnode.h | modified | +1 −0 |