diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index a2008846c63..71248a94660 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -539,6 +539,21 @@ typedef struct ResultRelInfo ExprState *ri_PartitionCheckExpr; /* + * Map to convert child result relation tuples to the format of the table + * actually mentioned in the query (called "root"). Computed only if + * needed. A NULL map value indicates that no conversion is needed, so we + * must have a separate flag to show if the map has been computed. + */ + TupleConversionMap *ri_ChildToRootMap; + bool ri_ChildToRootMapValid; + + /* + * As above, but in the other direction. + */ + TupleConversionMap *ri_RootToChildMap; + bool ri_RootToChildMapValid; + + /* * Information needed by tuple routing target relations * * RootResultRelInfo gives the target relation mentioned in the query, if @@ -546,23 +561,12 @@ typedef struct ResultRelInfo * mentioned in the query is an inherited table, nor when tuple routing is * not needed. * - * RootToPartitionMap and PartitionTupleSlot, initialized by - * ExecInitRoutingInfo, are non-NULL if partition has a different tuple - * format than the root table. + * PartitionTupleSlot is non-NULL if RootToChild conversion is needed and + * the relation is a partition. */ struct ResultRelInfo *ri_RootResultRelInfo; - TupleConversionMap *ri_RootToPartitionMap; TupleTableSlot *ri_PartitionTupleSlot; - /* - * Map to convert child result relation tuples to the format of the table - * actually mentioned in the query (called "root"). Computed only if - * needed. A NULL map value indicates that no conversion is needed, so we - * must have a separate flag to show if the map has been computed. - */ - TupleConversionMap *ri_ChildToRootMap; - bool ri_ChildToRootMapValid; - /* for use by copyfrom.c when performing multi-inserts */ struct CopyMultiInsertBuffer *ri_CopyMultiInsertBuffer; |