vvivekiyer commented on code in PR #8518:
URL: https://github.com/apache/pinot/pull/8518#discussion_r863005987


##########
pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/FilterKind.java:
##########
@@ -19,33 +19,41 @@
 package org.apache.pinot.pql.parsers.pql2.ast;
 
 public enum FilterKind {
-  AND,
-  OR,
-  NOT,
-  EQUALS,
-  NOT_EQUALS,
-  GREATER_THAN,
-  GREATER_THAN_OR_EQUAL,
-  LESS_THAN,
-  LESS_THAN_OR_EQUAL,
-  LIKE,
-  BETWEEN,
-  RANGE,
-  IN,
-  NOT_IN,
-  REGEXP_LIKE,
-  IS_NULL,
-  IS_NOT_NULL,
-  TEXT_MATCH,
-  JSON_MATCH;
+  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);
 
-  /**
-   * Helper method that returns true if the enum maps to a Range.
-   *
-   * @return True if the enum is of Range type, false otherwise.
-   */
+  private final boolean _isPredicate;
+  private final boolean _isRange;
+
+  FilterKind(boolean isPredicate, boolean isRange) {
+    _isPredicate = isPredicate;
+    _isRange = isRange;
+  }
+
+  /** @return true if the enum is of Range type, false otherwise. */
   public boolean isRange() {
-    return this == GREATER_THAN || this == GREATER_THAN_OR_EQUAL || this == 
LESS_THAN || this == LESS_THAN_OR_EQUAL
-        || this == BETWEEN || this == RANGE;
+    return _isRange;
+  }
+
+  /** @return true if the filter is a predicate. This logic should mimic 
FilterContext.Type. */
+  public boolean isPredicate() {

Review Comment:
   Please see comment above.



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