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Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 71678d08dcc..6f1166b7039 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -762,6 +762,15 @@ use_physical_tlist(PlannerInfo *root, Path *path, int flags) return false; /* + * Also, don't do it to a CustomPath; the premise that we're extracting + * columns from a simple physical tuple is unlikely to hold for those. + * (When it does make sense, the custom path creator can set up the path's + * pathtarget that way.) + */ + if (IsA(path, CustomPath)) + return false; + + /* * Can't do it if any system columns or whole-row Vars are requested. * (This could possibly be fixed but would take some fragile assumptions * in setrefs.c, I think.) |