graceguo-supercat commented on a change in pull request #5241: [Explore] Handle
empty metrics control data
URL:
https://github.com/apache/incubator-superset/pull/5241#discussion_r196586597
##########
File path:
superset/assets/src/explore/components/controls/AdhocFilterControl.jsx
##########
@@ -223,7 +223,7 @@ export default class AdhocFilterControl extends
React.Component {
} else if (option instanceof AdhocMetric) {
return { ...option, filterOptionName: '_adhocmetric_' + option.label };
}
- return null;
+ return '';
Review comment:
The caller for these 2 `optionsForSelect` functions expecting a string array
result, and don't handle `null` case. if i return null and caller brought
result to do sort another exception will be thrown.
i come up another solution that combines filter (empty metrics) + map.
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