[GitHub] [pinot] richardstartin commented on a diff in pull request #8518: Support filtering on bool/scalar fields without evaluator

[GitBox <gi...@apache.org>]

richardstartin commented on code in PR #8518:
URL: https://github.com/apache/pinot/pull/8518#discussion_r850721889


##########
pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/FilterKind.java:
##########
@@ -39,13 +41,26 @@ public enum FilterKind {
   TEXT_MATCH,
   JSON_MATCH;
 
+  private static final EnumSet<FilterKind> RANGE_FILTERS = EnumSet.of(GREATER_THAN, GREATER_THAN_OR_EQUAL, LESS_THAN,

Review Comment:
   I would prefer this were solved differently as requested previously:
   
   ```java
   public enum FilterKind {
     AND(false, false),
     OR(false, false),
     NOT(false, false),
     EQUALS(true,  false),
     NOT_EQUALS(true,  false),
     GREATER_THAN(true,  true),
     GREATER_THAN_OR_EQUAL(true,  true),
     LESS_THAN(true,  true),
     LESS_THAN_OR_EQUAL(true,  true),
     LIKE(true,  false),
     BETWEEN(true,  true),
     RANGE(true,  true),
     IN(true,  false),
     NOT_IN(true,  false),
     REGEXP_LIKE(true,  false),
     IS_NULL(true,  false),
     IS_NOT_NULL(true,  false),
     TEXT_MATCH(true,  false),
     JSON_MATCH(true,  false);
     
     private final boolean _isPredicate;
     private final boolean _isRange;
   
     FilterKind(boolean isPredicate, boolean isRange) {
       _isPredicate = isPredicate;
       _isRange = isRange;
     }
   
     /**
      * Helper method that returns true if the enum maps to a Range.
      *
      * @return True if the enum is of Range type, false otherwise.
      */
     public boolean isRange() {
       return _isRange;
     }
   }
   ```
   
   this forces the modifier to define whether the new value is a predicate or a range predicate.



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