Github user shixuan-fan commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/35#discussion_r67520588
--- Diff: parser/SqlParser.ypp ---
@@ -1332,6 +1369,83 @@ opt_limit_clause:
}
}
+opt_window_clause:
+ {
+ $$ = nullptr;
+ }
+ | window_declaration_list
+
+window_declaration_list:
+ window_declaration {
+ $$ = new quickstep::PtrList<quickstep::ParseWindow>();
+ $$->push_back($1);
+ }
+ | window_declaration_list window_declaration {
+ $$ = $1;
+ $$->push_back($2);
+ }
+
+window_declaration:
--- End diff --
@zuyu Since window_declaration is a part of window_declaration_list,I put
it this way in order to maintain the hierarchy. If alphabet order has higher
precedence then I will change them. Thanks!
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