vrozov commented on a change in pull request #1383: DRILL-6613: Refactor
MaterializedField
URL: https://github.com/apache/drill/pull/1383#discussion_r203407400
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/join/HashJoinBatch.java
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@@ -792,7 +792,7 @@ private void setupOutputContainerSchema() {
}
// make sure to project field with children for children to show up in
the schema
- final MaterializedField projected = field.withType(outputType);
+ final MaterializedField projected = field.copy(outputType);
Review comment:
`copy` refers to a copy constructor with a deep copy semantics. `with...`
usually applies to a builder and that pattern is secondary here.
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