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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/10/11 21:03:00 UTC
[jira] [Updated] (SPARK-25714) Null Handling in the Optimizer rule
BooleanSimplification
[ https://issues.apache.org/jira/browse/SPARK-25714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Li updated SPARK-25714:
----------------------------
Labels: correctness (was: )
> Null Handling in the Optimizer rule BooleanSimplification
> ---------------------------------------------------------
>
> Key: SPARK-25714
> URL: https://issues.apache.org/jira/browse/SPARK-25714
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.3, 2.0.2, 2.1.3, 2.2.2, 2.3.2, 2.4.0
> Reporter: Xiao Li
> Assignee: Xiao Li
> Priority: Major
> Labels: correctness
>
> {code}
> scala> val df = Seq(("abc", 1), (null, 3)).toDF("col1", "col2")
> df: org.apache.spark.sql.DataFrame = [col1: string, col2: int]
> scala> df.write.mode("overwrite").parquet("/tmp/test1")
>
> scala> val df2 = spark.read.parquet("/tmp/test1");
> df2: org.apache.spark.sql.DataFrame = [col1: string, col2: int]
> scala> df2.filter("col1 = 'abc' OR (col1 != 'abc' AND col2 == 3)").show()
> +----+----+
> |col1|col2|
> +----+----+
> | abc| 1|
> |null| 3|
> +----+----+
> {code}
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