[jira] [Created] (SPARK-28368) Row.getAs() return different values in scala and java

["Kideok Kim (JIRA)" <ji...@apache.org>]

Kideok Kim created SPARK-28368:
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             Summary: Row.getAs() return different values in scala and java
                 Key: SPARK-28368
                 URL: https://issues.apache.org/jira/browse/SPARK-28368
             Project: Spark
          Issue Type: Bug
          Components: Java API
    Affects Versions: 2.4.3
            Reporter: Kideok Kim


*description*
 * About [org.apache.spark.sql.Row.getAs()|[https://spark.apache.org/docs/2.4.3/api/java/org/apache/spark/sql/Row.html#getAs-java.lang.String-]], It doesn't return zero value in java even if I used primitive type null value. (scala return zero value.) Here is an example with spark ver 2.4.3.
{code:java}
@Test
public void testIntegerTypeNull() {
    StructType schema = createStructType(Arrays.asList(createStructField("test", IntegerType, true)));
    Object[] values = new Object[1];
    values[0] = null;
    Row row = new GenericRowWithSchema(values, schema);
    Integer result = row.getAs("test");
    System.out.println(result); // result = null
}{code}

 * I really appreciate if you confirm whether it is a normal or not.



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