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Commit59f372e

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Correct code comments for PartitionedRelPruneInfo struct
The comments above the PartitionedRelPruneInfo struct incorrectlydocument how subplan_map and subpart_map are indexed. This seems tohave snuck in on4e23236.Author: David Rowley <david.rowley@2ndquadrant.com>
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‎src/include/nodes/plannodes.h

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@@ -1089,15 +1089,16 @@ typedef struct PartitionPruneInfo
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* PartitionedRelPruneInfo - Details required to allow the executor to prune
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* partitions for a single partitioned table.
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*
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* subplan_map[] and subpart_map[] are indexed by partition index (where
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* zero is the topmost partition, and non-leaf partitions must come before
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* their children). For a leaf partition p, subplan_map[p] contains the
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* zero-based index of the partition's subplan in the parent plan's subplan
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* list; it is -1 if the partition is non-leaf or has been pruned. For a
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* non-leaf partition p, subpart_map[p] contains the zero-based index of
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* that sub-partition's PartitionedRelPruneInfo in the hierarchy's
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* PartitionedRelPruneInfo list; it is -1 if the partition is a leaf or has
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* been pruned. Note that subplan indexes are global across the parent plan
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* subplan_map[] and subpart_map[] are indexed by partition index of the
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* partitioned table referenced by 'rtindex', the partition index being the
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* order that the partitions are defined in the table's PartitionDesc. For a
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* leaf partition p, subplan_map[p] contains the zero-based index of the
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* partition's subplan in the parent plan's subplan list; it is -1 if the
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* partition is non-leaf or has been pruned. For a non-leaf partition p,
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* subpart_map[p] contains the zero-based index of that sub-partition's
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* PartitionedRelPruneInfo in the hierarchy's PartitionedRelPruneInfo list;
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* it is -1 if the partition is a leaf or has been pruned. Note that subplan
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* indexes, as stored in 'subplan_map', are global across the parent plan
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* node, but partition indexes are valid only within a particular hierarchy.
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*/
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typedefstructPartitionedRelPruneInfo

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