diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 18544566f70..63c871e6d03 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -977,6 +977,42 @@ typedef struct PlanState * descriptor, without encoding knowledge about all executor nodes. */ TupleDesc scandesc; + + /* + * Define the slot types for inner, outer and scanslots for expression + * contexts with this state as a parent. If *opsset is set, then + * *opsfixed indicates whether *ops is guaranteed to be the type of slot + * used. That means that every slot in the corresponding + * ExprContext.ecxt_*tuple will point to a slot of that type, while + * evaluating the expression. If *opsfixed is false, but *ops is set, + * that indicates the most likely type of slot. + * + * The scan* fields are set by ExecInitScanTupleSlot(). If that's not + * called, nodes can initialize the fields themselves. + * + * If outer/inneropsset is false, the information is inferred on-demand + * using ExecGetResultSlotOps() on ->righttree/lefttree, using the + * corresponding node's resultops* fields. + * + * The result* fields are automatically set when ExecInitResultSlot is + * used (be it directly or when the slot is created by + * ExecAssignScanProjectionInfo() / + * ExecConditionalAssignProjectionInfo()). If no projection is necessary + * ExecConditionalAssignProjectionInfo() defaults those fields to the scan + * operations. + */ + const TupleTableSlotOps *scanops; + const TupleTableSlotOps *outerops; + const TupleTableSlotOps *innerops; + const TupleTableSlotOps *resultops; + bool scanopsfixed; + bool outeropsfixed; + bool inneropsfixed; + bool resultopsfixed; + bool scanopsset; + bool outeropsset; + bool inneropsset; + bool resultopsset; } PlanState; /* ---------------- @@ -1064,6 +1100,8 @@ typedef struct ModifyTableState PlanState **mt_plans; /* subplans (one per target rel) */ int mt_nplans; /* number of plans in the array */ int mt_whichplan; /* which one is being executed (0..n-1) */ + TupleTableSlot** mt_scans; /* input tuple corresponding to underlying + plans */ ResultRelInfo *resultRelInfo; /* per-subplan target relations */ ResultRelInfo *rootResultRelInfo; /* root target relation (partitioned * table root) */ @@ -1329,6 +1367,7 @@ typedef struct IndexScanState bool *iss_OrderByTypByVals; int16 *iss_OrderByTypLens; Size iss_PscanLen; + TupleTableSlot *iss_ReorderQueueSlot; } IndexScanState; /* ---------------- |