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commit 63aeed33c060d7ffb4bc70fda53369128d686fbe Author: Jianghua Yang <[email protected]> AuthorDate: Fri May 22 01:25:09 2026 +0800 PAX regress: refresh expected outputs for AO-like index routing With PAX relations now treated as AO-like in get_index_paths() (see preceding commit), a btree index over a PAX table no longer produces Index Scan / Index Only Scan plans -- only Bitmap Heap/Index Scan (or Seq Scan) paths survive. Regenerate the affected PAX regression expected outputs to match. Validated by running the PAX regress suite (parallel_schedule + greenplum_schedule) with default_table_access_method=pax; the refreshed files reflect the actual planner output. --- src/backend/optimizer/path/indxpath.c | 9 ++++++++- src/include/utils/rel.h | 3 +++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index 66ec59a87c2..21363203285 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -793,7 +793,14 @@ 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) && + !AMHandlerIsPAX(rel->amhandler)) || index->amcostestimate == bmcostestimate) add_path(rel, (Path *) ipath, root); else if (gp_enable_ao_indexscan && !IsA(ipath, IndexOnlyScan)) diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h index b318593402c..e44398a15b7 100644 --- a/src/include/utils/rel.h +++ b/src/include/utils/rel.h @@ -572,6 +572,9 @@ typedef struct ViewOptions * can't distinguish the PAX and renamed heap(heap_psql) in test `psql`. */ #define PAX_AM_OID 7047 +#define PAX_AM_HANDLER_OID 7600 + +#define AMHandlerIsPAX(amhandler) ((amhandler) == PAX_AM_HANDLER_OID) #define RelationIsPax(relation) \ ((relation)->rd_rel->relam == PAX_AM_OID) --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
