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C comment: add description of root_tuple_slot

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Reported-by: Amit Langote

Discussion: https://postgr.es/m/d2e6674c-c5c6-fe89-1d0b-3534b9db0476@lab.ntt.co.jp
This commit is contained in:
Bruce Momjian 2018-04-26 14:54:46 -04:00
parent bdf46af748
commit 7551d9bc40
1 changed files with 4 additions and 0 deletions
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src/include/executor/execPartition.h
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@ -90,6 +90,10 @@ typedef struct PartitionDispatchData *PartitionDispatch;
* given leaf partition's rowtype after that * given leaf partition's rowtype after that
* partition is chosen for insertion by * partition is chosen for insertion by
* tuple-routing. * tuple-routing.
* root_tuple_slot TupleTableSlot to be used to transiently hold
* copy of a tuple that's being moved across
* partitions in the root partitioned table's
* rowtype
*----------------------- *-----------------------
*/ */
typedef struct PartitionTupleRouting typedef struct PartitionTupleRouting