gianm commented on a change in pull request #10613:
URL: https://github.com/apache/druid/pull/10613#discussion_r558127972
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File path:
processing/src/main/java/org/apache/druid/query/filter/DruidPredicateFactory.java
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@@ -27,6 +27,13 @@
{
Predicate<String> makeStringPredicate();
+ default Predicate<Object> makeObjectPredicate()
+ {
+ // default to try to use string predicate;
+ final Predicate<String> stringPredicate = makeStringPredicate();
+ return o -> stringPredicate.apply((String) o);
Review comment:
I think it's worth designing this properly now, so we don't have to go
back and fix it later.
Maybe the right approach is to _not_ add an extra method to
DruidPredicateFactory, and instead have the callers call makeStringPredicate,
because the callers are the ones that should have the knowledge that it's
definitely a String column being dealt with.
Would that work?
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