Github user zuyu commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/217#discussion_r107969229
--- Diff: catalog/PartitionSchemeHeader.hpp ---
@@ -48,6 +50,13 @@ class Type;
**/
class PartitionSchemeHeader {
public:
+ // A vector for partitioning catalog attribute .
+ typedef std::vector<attribute_id> PartitionAttributeIds;
+
+ // A boundary for multi-attribute partitions.
+ // PartitionValues.size() should be equal to
PartitionAttributeIds.size().
+ typedef std::vector<TypedValue> PartitionValues;
--- End diff --
Sorry, the comment is not that clear. This represents the corresponding
values for `PartitionAttributeIds`, and is also used to store the partition
range boundaries for a range-based partition.
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