Github user zuyu commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/177#discussion_r99277016
--- Diff: query_optimizer/Optimizer.cpp ---
@@ -30,10 +30,11 @@ void Optimizer::generateQueryHandle(const
ParseStatement &parse_statement,
OptimizerContext *optimizer_context,
QueryHandle *query_handle) {
LogicalGenerator logical_generator(optimizer_context);
+ PhysicalGenerator physical_generator(optimizer_context);
--- End diff --
I was trying to make query optimizer stateless regarding an input query.
I'd suggest to pass `optimizer_context` in `PhysicalGenerator::generatePlan`.
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