Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/13592#discussion_r67203021
--- Diff: docs/sql-programming-guide.md ---
@@ -956,30 +954,30 @@ file directly with SQL.
<div data-lang="scala" markdown="1">
{% highlight scala %}
-val df = sqlContext.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
+val df = spark.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
{% endhighlight %}
</div>
<div data-lang="java" markdown="1">
{% highlight java %}
-DataFrame df = sqlContext.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`");
+Dataset<Row> df = spark.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`");
{% endhighlight %}
</div>
<div data-lang="python" markdown="1">
{% highlight python %}
-df = sqlContext.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
+df = spark.sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
{% endhighlight %}
</div>
<div data-lang="r" markdown="1">
{% highlight r %}
-df <- sql(sqlContext, "SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
+df <- sql(spark, "SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
--- End diff --
The same.
```
df <- sql("SELECT * FROM
parquet.`examples/src/main/resources/users.parquet`")
```
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