clintropolis commented on a change in pull request #8019: multi-value string
expression transformation fix
URL: https://github.com/apache/incubator-druid/pull/8019#discussion_r300197523
##########
File path: core/src/main/java/org/apache/druid/math/expr/Parser.java
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@@ -171,13 +171,9 @@ public static Expr applyUnappliedIdentifiers(Expr expr,
Expr.BindingDetails bind
return expr;
}
List<String> unapplied = toApply.stream()
- .filter(x ->
bindingDetails.getFreeVariables().contains(x))
+ .filter(x ->
bindingDetails.getRequiredColumnsList().contains(x))
Review comment:
Oops, `getRequiredColumns` originally returned a list, but I changed it to
`getRequiredColumnsList` and added `getRequiredColumns` to return a set for
this reason but forgot to make sure I updated all the places.
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