[SPARK-6863] Fix formatting on SQL programming guide.

https://issues.apache.org/jira/browse/SPARK-6863 Author: Santiago M. Mola <santiago.mola@sap.com> Closes #5472 from smola/fix/sql-docs and squashes the following commits: 42503d4 [Santiago M. Mola] [SPARK-6863] Fix formatting on SQL programming guide.

[SPARK-6863] Fix formatting on SQL programming guide.
6437e7cc · Santiago M. Mola · Michael Armbrust · 5f7b7cda · 6437e7cc
Commit 6437e7cc authored 10 years ago by Santiago M. Mola Committed by Michael Armbrust 10 years ago
--- a/docs/sql-programming-guide.md
+++ b/docs/sql-programming-guide.md
@@ -1784,6 +1784,7 @@ in Hive deployments.


 **Esoteric Hive Features**
+
 * `UNION` type
 * Unique join
 * Column statistics collecting: Spark SQL does not piggyback scans to collect column statistics at