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Posted to issues@spark.apache.org by "zhoukang (JIRA)" <ji...@apache.org> on 2018/02/05 10:51:00 UTC
[jira] [Created] (SPARK-23335) expression 'select
conv('ffffffffffffffff',16,10) % 2' return 0
zhoukang created SPARK-23335:
--------------------------------
Summary: expression 'select conv('ffffffffffffffff',16,10) % 2' return 0
Key: SPARK-23335
URL: https://issues.apache.org/jira/browse/SPARK-23335
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.1.0
Reporter: zhoukang
For below expression:
{code:java}
select conv('ffffffffffffffff',16,10) % 2;
{code}
it will return 0.
{code:java}
0: jdbc:hive2://c3-hadoop-prc-history03.bj:16> select conv('ffffffffffffffff',16,10) % 2;
+----------------------------------------------------------------------------------------------+--+
| (CAST(conv(ffffffffffffffff, 16, 10) AS DOUBLE) % CAST(CAST(2 AS DECIMAL(20,0)) AS DOUBLE)) |
+----------------------------------------------------------------------------------------------+--+ | 0.0 | +----------------------------------------------------------------------------------------------+--+
{code}
It caused by:
{code:java}
case a @ BinaryArithmetic(left @ StringType(), right) => a.makeCopy(Array(Cast(left, DoubleType), right)) case a @ BinaryArithmetic(left, right @ StringType()) => a.makeCopy(Array(left, Cast(right, DoubleType)))
{code}
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