Yuming Wang created SPARK-25056:
-----------------------------------
Summary: Unify the InConversion and BinaryComparison behaviour
when InConversion's list only contains one datatype
Key: SPARK-25056
URL: https://issues.apache.org/jira/browse/SPARK-25056
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Yuming Wang
{code:java}
scala> val df = spark.range(4).toDF().selectExpr("cast(id as decimal(9, 2)) as
id")
df: org.apache.spark.sql.DataFrame = [id: decimal(9,2)]
scala> df.filter("id in('1', '3')").show
+---+
| id|
+---+
+---+
scala> df.filter("id = '1' or id ='3'").show
+----+
| id|
+----+
|1.00|
|3.00|
+----+
{code}
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