my-ship-it commented on code in PR #1761:
URL: https://github.com/apache/cloudberry/pull/1761#discussion_r3296734601
##########
src/backend/optimizer/path/indxpath.c:
##########
@@ -813,7 +813,14 @@ get_index_paths(PlannerInfo *root, RelOptInfo *rel,
*/
if (index->amhasgettuple)
{
- if (!AMHandlerIsAO(rel->amhandler) ||
+ /*
+ * PAX shares AO's planner concern: random TID fetch
+ * re-decompresses whole stripes and bypasses the
buffer pool.
+ * Treat it as AO-like so only Bitmap paths survive
add_path
+ * here.
+ */
+ if ((!AMHandlerIsAO(rel->amhandler) &&
+ rel->relam != PAX_AM_OID) ||
Review Comment:
AMHandlerIsPAX？
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