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Move partition_tuple_slot out of EState.

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Commit 2ac3ef7a01 added a TupleTapleSlot
for partition tuple slot to EState (es_partition_tuple_slot) but it's
more logical to have it as part of ModifyTableState
(mt_partition_tuple_slot) and CopyState (partition_tuple_slot).

Discussion: http://postgr.es/m/1bd459d9-4c0c-197a-346e-e5e59e217d97@lab.ntt.co.jp

Amit Langote, per a gripe from me
This commit is contained in:
Robert Haas
2017-01-04 13:05:29 -05:00
parent 6667d9a6d7
commit 345b2dcf07
5 changed files with 35 additions and 25 deletions
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12
src/backend/executor/execMain.c
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@ -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)