feat(graphql): support filtering based on greater than/less than crit…

…eria (datahub-project#9001)

Co-authored-by: Indy Prentice <indy@Indys-MacBook-Pro.local>

datahub-graphql-core/src/main/resources/search.graphql

@@ -458,6 +458,26 @@ enum FilterOperator {
  Represents the relation: The field exists. If the field is an array, the field is either not present or empty.
  """
  EXISTS
+
+ """
+ Represent the relation greater than, e.g. ownerCount > 5
+ """
+ GREATER_THAN
+
+ """
+ Represent the relation greater than or equal to, e.g. ownerCount >= 5
+ """
+ GREATER_THAN_OR_EQUAL_TO
+
+ """
+ Represent the relation less than, e.g. ownerCount < 3
+ """
+ LESS_THAN
+
+ """
+ Represent the relation less than or equal to, e.g. ownerCount <= 3
+ """
+ LESS_THAN_OR_EQUAL_TO
 }
 
 """