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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