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https://issues.apache.org/jira/browse/SPARK-16294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiangrui Meng resolved SPARK-16294.
-----------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 13972
[https://github.com/apache/spark/pull/13972]
> Labelling support for the include_example Jekyll plugin
> -------------------------------------------------------
>
> Key: SPARK-16294
> URL: https://issues.apache.org/jira/browse/SPARK-16294
> Project: Spark
> Issue Type: Sub-task
> Components: Documentation
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
> Fix For: 2.0.0
>
>
> Part of the Spark programming guide pages are using the {{include_example}}
> Jekyll plugin to extract line blocks surrounded by {{example on}} and
> {{example off}} tag pairs (usually written as comments) from source files
> under the {{examples}} sub-project.
> One limitation of the {{include_example}} plugin is that all line blocks
> within a single file must be included in a single example snippet block in
> the final HTML file. It would be nice to add labelling support to this
> plugin, so that we mark different line blocks with different labels in the
> source file:
> {code}
> // $example on:init_session$
> val spark = SparkSession
> .builder()
> .appName("Spark Examples")
> .config("spark.some.config.option", "some-value")
> .getOrCreate()
> // For implicit conversions like RDDs to DataFrames
> import spark.implicits._
> // $example off:init_session$
> // $example on:create_df$
> val df = spark.read.json("examples/src/main/resources/people.json")
> // Displays the content of the DataFrame to stdout
> df.show()
> // age name
> // null Michael
> // 30 Andy
> // 19 Justin
> // $example off:create_df$
> {code}
> and then, by referring different labels in the Liquid template, like this:
> {code}
> {% include_example init_session
> scala/org/apache/spark/examples/sql/SparkSessionExample.scala %}
> {% include_example create_df
> scala/org/apache/spark/examples/sql/SparkSessionExample.scala %}
> {code}
> we may generate multiple example snippet blocks in the final HTML page from a
> single source file.
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