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https://issues.apache.org/jira/browse/SPARK-20914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16038518#comment-16038518
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Apache Spark commented on SPARK-20914:
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User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/18215
> Javadoc contains code that is invalid
> -------------------------------------
>
> Key: SPARK-20914
> URL: https://issues.apache.org/jira/browse/SPARK-20914
> Project: Spark
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 2.1.1
> Reporter: Cristian Teodor
> Priority: Trivial
>
> i was looking over the
> [dataset|https://spark.apache.org/docs/2.1.1/api/java/org/apache/spark/sql/Dataset.html]
> and noticed the code on top that does not make sense in java.
> {code}
> // To create Dataset<Row> using SparkSession
> Dataset<Row> people = spark.read().parquet("...");
> Dataset<Row> department = spark.read().parquet("...");
> people.filter("age".gt(30))
> .join(department, people.col("deptId").equalTo(department("id")))
> .groupBy(department.col("name"), "gender")
> .agg(avg(people.col("salary")), max(people.col("age")));
> {code}
> invalid parts:
> * "age".gt(30)
> * department("id")
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