SPARK-19726: alwaysNullable and nullable is different

apache · Jul 4, 2017 · c071c2f · c071c2f
1 parent 718e949
commit c071c2f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
@@ -295,7 +295,7 @@ object JdbcUtils extends Logging {
         }
       }
       val nullable = if (alwaysNullable) {
-        alwaysNullable
+        true
       } else {
         rsmd.isNullable(i + 1) != ResultSetMetaData.columnNoNulls
       }