Github user zuyu commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/39#discussion_r68330476
--- Diff: query_optimizer/resolver/Resolver.cpp ---
@@ -973,8 +1011,36 @@ L::LogicalPtr Resolver::resolveSelect(
logical_plan, resolvePredicate(parse_predicate,
&expr_resolution_info));
}
+ // Resolve WINDOW clause.
+ std::unordered_map<std::string, WindowPlan> sorted_window_map;
+ if (select_query.window_list() != nullptr) {
+ if (select_query.window_list()->size() > 1) {
+ THROW_SQL_ERROR_AT(&(*select_query.window_list()->begin()))
+ << "Currently we don't support multiple window aggregation
functions";
--- End diff --
Code style: add two more whitespace indentations.
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