Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/21318#discussion_r187842050 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala --- @@ -39,7 +39,21 @@ import org.apache.spark.util.Utils /** - * Functions available for DataFrame operations. + * Commonly used functions available for DataFrame operations. Using functions defined here provides + * a little bit more compile-time safety to make sure the function exists. + * + * Spark also includes more built-in functions that are less common and are not defined here. + * You can still access them (and all the functions defined here) using the [[functions.expr()]] API --- End diff -- ``` [error] /home/jenkins/workspace/SparkPullRequestBuilder/sql/core/target/java/org/apache/spark/sql/functions.java:7: error: unexpected text [error] * You can still access them (and all the functions defined here) using the {@link functions.expr()} API [error] ^ [error] /home/jenkins/workspace/SparkPullRequestBuilder/sql/core/target/java/org/apache/spark/sql/functions.java:9: error: unexpected text [error] * the latest version of Spark at {@link https://spark.apache.org/docs/latest/api/sql/index.html}. [error] ^ ``` Seems both links are the problem in Javadoc. Shall we just use `` `functions.expr() ` `` and leave the `https://spark.apache.org/docs/latest/api/sql/index.html` like without `[[...]]`?
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org