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Diffstat (limited to 'src/backend/executor/execMain.c')
| -rw-r--r-- | src/backend/executor/execMain.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c index 7e3c207018f..eb9b528c4e4 100644 --- a/src/backend/executor/execMain.c +++ b/src/backend/executor/execMain.c @@ -3012,6 +3012,9 @@ EvalPlanQualEnd(EPQState *epqstate) * entry for every leaf partition (required to convert input tuple based * on the root table's rowtype to a leaf partition's rowtype after tuple * routing is done + * 'partition_tuple_slot' receives a standalone TupleTableSlot to be used + * to manipulate any given leaf partition's rowtype after that partition + * is chosen by tuple-routing. * 'num_parted' receives the number of partitioned tables in the partition * tree (= the number of entries in the 'pd' output array) * 'num_partitions' receives the number of leaf partitions in the partition @@ -3026,6 +3029,7 @@ ExecSetupPartitionTupleRouting(Relation rel, PartitionDispatch **pd, ResultRelInfo **partitions, TupleConversionMap ***tup_conv_maps, + TupleTableSlot **partition_tuple_slot, int *num_parted, int *num_partitions) { TupleDesc tupDesc = RelationGetDescr(rel); @@ -3043,6 +3047,14 @@ ExecSetupPartitionTupleRouting(Relation rel, *tup_conv_maps = (TupleConversionMap **) palloc0(*num_partitions * sizeof(TupleConversionMap *)); + /* + * Initialize an empty slot that will be used to manipulate tuples of any + * given partition's rowtype. It is attached to the caller-specified node + * (such as ModifyTableState) and released when the node finishes + * processing. + */ + *partition_tuple_slot = MakeTupleTableSlot(); + leaf_part_rri = *partitions; i = 0; foreach(cell, leaf_parts) |