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From "Abdeali Kothari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-5456) Decimal Type comparison issue
Date Thu, 18 Aug 2016 12:28:20 GMT

    [ https://issues.apache.org/jira/browse/SPARK-5456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15426351#comment-15426351
] 

Abdeali Kothari commented on SPARK-5456:
----------------------------------------

For the record, I get this error in 1.4.1 too.

> Decimal Type comparison issue
> -----------------------------
>
>                 Key: SPARK-5456
>                 URL: https://issues.apache.org/jira/browse/SPARK-5456
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.2.0, 1.3.0
>            Reporter: Kuldeep
>            Assignee: Adrian Wang
>            Priority: Blocker
>             Fix For: 1.3.2, 1.4.0
>
>
> Not quite able to figure this out but here is a junit test to reproduce this, in JavaAPISuite.java
> {code:title=DecimalBug.java}
>   @Test
>   public void decimalQueryTest() {
>     List<Row> decimalTable = new ArrayList<Row>();
>     decimalTable.add(RowFactory.create(new BigDecimal("1"), new BigDecimal("2")));
>     decimalTable.add(RowFactory.create(new BigDecimal("3"), new BigDecimal("4")));
>     JavaRDD<Row> rows = sc.parallelize(decimalTable);
>     List<StructField> fields = new ArrayList<StructField>(7);
>     fields.add(DataTypes.createStructField("a", DataTypes.createDecimalType(), true));
>     fields.add(DataTypes.createStructField("b", DataTypes.createDecimalType(), true));
>     sqlContext.applySchema(rows.rdd(), DataTypes.createStructType(fields)).registerTempTable("foo");
>     Assert.assertEquals(sqlContext.sql("select * from foo where a > 0").collectAsList(),
decimalTable);
>   }
> {code}
> Fails with
> java.lang.ClassCastException: java.math.BigDecimal cannot be cast to org.apache.spark.sql.types.Decimal



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