Github user jianqiao commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/73#discussion_r73290304
--- Diff: query_optimizer/rules/BottomUpRule.hpp ---
@@ -80,6 +81,14 @@ class BottomUpRule : public Rule<TreeType> {
*/
virtual TreeNodePtr applyToNode(const TreeNodePtr &node) = 0;
+ /**
+ * @brief Initialization code to be used for each node.
--- End diff --
The initialization is only applied with the tree's root node but not "each
node".
Other places look good. I'll do this minor revision and then merge.
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