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-rw-r--r--src/include/executor/execPartition.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/include/executor/execPartition.h b/src/include/executor/execPartition.h
index e94718608fb..03a599ad57a 100644
--- a/src/include/executor/execPartition.h
+++ b/src/include/executor/execPartition.h
@@ -58,11 +58,15 @@ typedef struct PartitionDispatchData *PartitionDispatch;
* partition tree.
* num_dispatch number of partitioned tables in the partition
* tree (= length of partition_dispatch_info[])
- * partition_oids Array of leaf partitions OIDs
+ * partition_oids Array of leaf partitions OIDs with one entry
+ * for every leaf partition in the partition tree,
+ * initialized in full by
+ * ExecSetupPartitionTupleRouting.
* partitions Array of ResultRelInfo* objects with one entry
- * for every leaf partition in the partition tree.
+ * for every leaf partition in the partition tree,
+ * initialized lazily by ExecInitPartitionInfo.
* num_partitions Number of leaf partitions in the partition tree
- * (= 'partitions' array length)
+ * (= 'partitions_oid'/'partitions' array length)
* parent_child_tupconv_maps Array of TupleConversionMap objects with one
* entry for every leaf partition (required to
* convert tuple from the root table's rowtype to