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https://issues.apache.org/jira/browse/SPARK-28368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-28368.
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Resolution: Not A Problem
> 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
> Priority: Major
>
> *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}
> * This problem is shown by not only Integer type, but also all primitive
> types of java like double, long and so on. I really appreciate if you confirm
> whether it is a normal or not.
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