[SPARK-6635][SQL] DataFrame.withColumn should replace columns with identical column names #5541
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Test build #30413 has finished for PR 5541 at commit
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| val df2 = TestSQLContext.sparkContext.parallelize(Array(1, 2, 3)).toDF("x") | ||
| val df3 = df2.withColumn("x", df2("x") + 1) | ||
| assert(df3.select("x").collect().toSeq === Seq(Row(2), Row(3), Row(4))) |
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Make this its own test and use checkAnswer to check the result.
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Test build #30469 has finished for PR 5541 at commit
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Thanks! Merged to master. |
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This should probably be noted here: https://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.sql.DataFrame |
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Pull requests to improve documentation are always welcome :) |
nemccarthy
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Jun 19, 2015
…entical column names JIRA https://issues.apache.org/jira/browse/SPARK-6635 Author: Liang-Chi Hsieh <[email protected]> Closes apache#5541 from viirya/replace_with_column and squashes the following commits: b539c7b [Liang-Chi Hsieh] For comment. 72f35b1 [Liang-Chi Hsieh] DataFrame.withColumn can replace original column with identical column name.
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JIRA https://issues.apache.org/jira/browse/SPARK-6635