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-rw-r--r--src/include/access/genam.h3
-rw-r--r--src/include/access/relscan.h5
2 files changed, 8 insertions, 0 deletions
diff --git a/src/include/access/genam.h b/src/include/access/genam.h
index 7154ae385ba..dd62680dd54 100644
--- a/src/include/access/genam.h
+++ b/src/include/access/genam.h
@@ -144,6 +144,9 @@ extern void index_rescan(IndexScanDesc scan,
extern void index_endscan(IndexScanDesc scan);
extern void index_markpos(IndexScanDesc scan);
extern void index_restrpos(IndexScanDesc scan);
+extern ItemPointer index_getnext_tid(IndexScanDesc scan,
+ ScanDirection direction);
+extern HeapTuple index_fetch_heap(IndexScanDesc scan);
extern HeapTuple index_getnext(IndexScanDesc scan, ScanDirection direction);
extern int64 index_getbitmap(IndexScanDesc scan, TIDBitmap *bitmap);
diff --git a/src/include/access/relscan.h b/src/include/access/relscan.h
index 57d08b9656e..656aefcceec 100644
--- a/src/include/access/relscan.h
+++ b/src/include/access/relscan.h
@@ -16,6 +16,7 @@
#include "access/genam.h"
#include "access/heapam.h"
+#include "access/itup.h"
typedef struct HeapScanDescData
@@ -66,6 +67,7 @@ typedef struct IndexScanDescData
int numberOfOrderBys; /* number of ordering operators */
ScanKey keyData; /* array of index qualifier descriptors */
ScanKey orderByData; /* array of ordering op descriptors */
+ bool xs_want_itup; /* caller requests index tuples */
/* signaling to index AM about killing index tuples */
bool kill_prior_tuple; /* last-returned tuple is dead */
@@ -76,6 +78,9 @@ typedef struct IndexScanDescData
/* index access method's private state */
void *opaque; /* access-method-specific info */
+ /* in an index-only scan, this is valid after a successful amgettuple */
+ IndexTuple xs_itup; /* index tuple returned by AM, or NULL */
+
/* xs_ctup/xs_cbuf/xs_recheck are valid after a successful index_getnext */
HeapTupleData xs_ctup; /* current heap tuple, if any */
Buffer xs_cbuf; /* current heap buffer in scan, if any */