diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/executor/execAmi.c | 5 | ||||
| -rw-r--r-- | src/backend/optimizer/util/plancat.c | 1 | ||||
| -rw-r--r-- | src/include/nodes/relation.h | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c index 93e1e9a691c..374dd6d8ac9 100644 --- a/src/backend/executor/execAmi.c +++ b/src/backend/executor/execAmi.c @@ -388,6 +388,11 @@ ExecSupportsMarkRestore(Path *pathnode) { case T_IndexScan: case T_IndexOnlyScan: + /* + * Not all index types support mark/restore. + */ + return castNode(IndexPath, pathnode)->indexinfo->amcanmarkpos; + case T_Material: case T_Sort: return true; diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c index ac57d0f2b89..2299f8af820 100644 --- a/src/backend/optimizer/util/plancat.c +++ b/src/backend/optimizer/util/plancat.c @@ -230,6 +230,7 @@ get_relation_info(PlannerInfo *root, Oid relationObjectId, bool inhparent, info->amsearchnulls = indexRelation->rd_am->amsearchnulls; info->amhasgettuple = OidIsValid(indexRelation->rd_am->amgettuple); info->amhasgetbitmap = OidIsValid(indexRelation->rd_am->amgetbitmap); + info->amcanmarkpos = (info->relam == BTREE_AM_OID); /* * Fetch the ordering information for the index, if any. diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index a35ebe008e6..9debc364ad9 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -557,6 +557,7 @@ typedef struct IndexOptInfo bool amsearchnulls; /* can AM search for NULL/NOT NULL entries? */ bool amhasgettuple; /* does AM have amgettuple interface? */ bool amhasgetbitmap; /* does AM have amgetbitmap interface? */ + bool amcanmarkpos; /* does AM support mark/restore? */ } IndexOptInfo; |