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Minor comment updates

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Fix a couple of typos, and update a comment about why we set a BMS to
NULL.

Author: David Rowley
Discussion: http://postgr.es/m/CAKJS1f-tux=KdUz6ENJ9GHM_V2qgxysadYiOyQS9Ko9PTteVhQ@mail.gmail.com
This commit is contained in:
Alvaro Herrera 2018-04-09 11:17:12 -03:00
parent 7ba6ee815d
commit d7a95f06a1
2 changed files with 8 additions and 5 deletions
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11
src/backend/executor/execPartition.c
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@ -1524,9 +1524,12 @@ ExecFindInitialMatchingSubPlans(PartitionPruneState *prunestate, int nsubnodes)
/*
* Record that partition pruning has been performed for external params.
* This partly also serves to ensure we never call this function twice
* with the same input and also so that ExecFindMatchingSubPlans is aware
* that pruning has already been performed for external Params.
* These are not required again afterwards, and nullifying them helps
* ensure nothing accidentally calls this function twice on the same
* PartitionPruneState.
*
* (Note we keep prunestate->allparams, because we do use that one
* repeatedly in ExecFindMatchingSubPlans).
*/
bms_free(prunestate->extparams);
prunestate->extparams = NULL;
@ -1607,7 +1610,7 @@ ExecFindInitialMatchingSubPlans(PartitionPruneState *prunestate, int nsubnodes)
/*
* ExecFindMatchingSubPlans
* Determine which subplans match the the pruning steps detailed in
* Determine which subplans match the pruning steps detailed in
* 'pprune' for the current Param values.
*
* Here we utilize both external and exec Params for pruning.

2
src/include/partitioning/partprune.h
View File

@ -40,7 +40,7 @@ typedef struct PartitionPruneContext
/*
* Can be set when the context is used from the executor to allow params
* found matching the partition key to be evaulated.
* found matching the partition key to be evaluated.
*/
PlanState *planstate;