vvysotskyi commented on a change in pull request #1425: DRILL-6647: Update 
Calcite version to 1.17.0
URL: https://github.com/apache/drill/pull/1425#discussion_r212067079
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillConditions.java
 ##########
 @@ -19,24 +19,14 @@
 
 import org.apache.calcite.rel.rules.PushProjector;
 import org.apache.calcite.rex.RexCall;
-import org.apache.calcite.rex.RexNode;
 
 public final class DrillConditions {
 
-  public static PushProjector.ExprCondition PRESERVE_ITEM = new 
PushProjector.ExprCondition() {
-
-    @Override
-    public boolean apply(RexNode rexNode) {
-      return false;
-    }
-
-    @Override
-    public boolean test(RexNode expr) {
-      if (expr instanceof RexCall) {
-        RexCall call = (RexCall)expr;
-        return "item".equals(call.getOperator().getName().toLowerCase());
-      }
-      return false;
+  public static PushProjector.ExprCondition PRESERVE_ITEM = expr -> {
 
 Review comment:
   Thanks, done.

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