mistercrunch commented on a change in pull request #10633:
URL:
https://github.com/apache/incubator-superset/pull/10633#discussion_r474976241
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File path: superset/viz.py
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@@ -322,7 +322,8 @@ def query_obj(self) -> QueryObjectDict:
gb = self.groupby
metrics = self.all_metrics or []
columns = form_data.get("columns") or []
- groupby = list(set(gb + columns))
+ # merge list and dedup while preserving order
+ groupby = list(OrderedDict.fromkeys(gb + columns))
Review comment:
oh right, I remember reading about how ordering is guaranteed in py3.
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