Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/819#discussion_r114966942
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/TypeInferenceUtils.java
---
@@ -394,31 +414,37 @@ public RelDataType inferReturnType(SqlOperatorBinding
opBinding) {
}
private static class DrillConcatSqlReturnTypeInference implements
SqlReturnTypeInference {
- private static final DrillConcatSqlReturnTypeInference INSTANCE = new
DrillConcatSqlReturnTypeInference();
--- End diff --
Logic is close but different. I have think we can leave them separated for
now.
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