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-rw-r--r--src/include/nodes/execnodes.h36
1 files changed, 34 insertions, 2 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h
index 3885fa0099..0a89f189d7 100644
--- a/src/include/nodes/execnodes.h
+++ b/src/include/nodes/execnodes.h
@@ -1226,7 +1226,6 @@ typedef struct
* RuntimeContext expr context for evaling runtime Skeys
* RelationDesc index relation descriptor
* ScanDesc index scan descriptor
- * VMBuffer buffer in use for visibility map testing, if any
* ----------------
*/
typedef struct IndexScanState
@@ -1243,10 +1242,43 @@ typedef struct IndexScanState
ExprContext *iss_RuntimeContext;
Relation iss_RelationDesc;
IndexScanDesc iss_ScanDesc;
- Buffer iss_VMBuffer;
} IndexScanState;
/* ----------------
+ * IndexOnlyScanState information
+ *
+ * indexqual execution state for indexqual expressions
+ * ScanKeys Skey structures for index quals
+ * NumScanKeys number of ScanKeys
+ * OrderByKeys Skey structures for index ordering operators
+ * NumOrderByKeys number of OrderByKeys
+ * RuntimeKeys info about Skeys that must be evaluated at runtime
+ * NumRuntimeKeys number of RuntimeKeys
+ * RuntimeKeysReady true if runtime Skeys have been computed
+ * RuntimeContext expr context for evaling runtime Skeys
+ * RelationDesc index relation descriptor
+ * ScanDesc index scan descriptor
+ * VMBuffer buffer in use for visibility map testing, if any
+ * ----------------
+ */
+typedef struct IndexOnlyScanState
+{
+ ScanState ss; /* its first field is NodeTag */
+ List *indexqual;
+ ScanKey ioss_ScanKeys;
+ int ioss_NumScanKeys;
+ ScanKey ioss_OrderByKeys;
+ int ioss_NumOrderByKeys;
+ IndexRuntimeKeyInfo *ioss_RuntimeKeys;
+ int ioss_NumRuntimeKeys;
+ bool ioss_RuntimeKeysReady;
+ ExprContext *ioss_RuntimeContext;
+ Relation ioss_RelationDesc;
+ IndexScanDesc ioss_ScanDesc;
+ Buffer ioss_VMBuffer;
+} IndexOnlyScanState;
+
+/* ----------------
* BitmapIndexScanState information
*
* result bitmap to return output into, or NULL