[jira] [Created] (SPARK-12233) Cannot specify a data frame column during join

["Fengdong Yu (JIRA)" <ji...@apache.org>]

Fengdong Yu created SPARK-12233:
-----------------------------------

             Summary: Cannot specify a data frame column during join
                 Key: SPARK-12233
                 URL: https://issues.apache.org/jira/browse/SPARK-12233
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.5.2
            Reporter: Fengdong Yu
            Priority: Minor


Background:

two tables: 
tableA(id string, name string, gender string)
tableB(id string, name string)

{code}
val df1 = sqlContext.sql(select * from tableA)
val df2 = sqlContext.sql(select * from tableB)

//Wrong
df1.join(df2, Seq("id", "name").select(df2("id"), df2("name"), df1("gender"))

//Correct
df1.join(df2, Seq("id", "name").select("id", "name", "gender")

{code}

========
Cannot specify column of data frame for 'gender'




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