[GitHub] arina-ielchiieva commented on a change in pull request #1623: DRILL-7006: Add type conversion to row writers

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

arina-ielchiieva commented on a change in pull request #1623: DRILL-7006: Add type conversion to row writers
URL: https://github.com/apache/drill/pull/1623#discussion_r251413842
 
 

 ##########
 File path: exec/vector/src/main/java/org/apache/drill/exec/vector/accessor/writer/ScalarArrayWriter.java
 ##########
 @@ -60,13 +60,17 @@
     public final void nextElement() { next(); }
   }
 
-  private final BaseScalarWriter elementWriter;
+  private final ConcreteWriter elementWriter;
 
   public ScalarArrayWriter(ColumnMetadata schema,
       RepeatedValueVector vector, BaseScalarWriter elementWriter) {
     super(schema, vector.getOffsetVector(),
         new ScalarObjectWriter(elementWriter));
-    this.elementWriter = elementWriter;
+
+    // Save the writer from the scalar object writer created above
+    // which may have wrapped the element writer in a type convertor.
+
+    this.elementWriter = (ConcreteWriter) elementObjWriter.scalar();
 
 Review comment:
   Is it ok to do the cast here?

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