GitHub user viirya opened a pull request: https://github.com/apache/spark/pull/11204
[SPARK-13321][SQL] Support nested UNION in parser JIRA: https://issues.apache.org/jira/browse/SPARK-13321 The following SQL can not be parsed with current parser: SELECT `u_1`.`id` FROM (((SELECT `t0`.`id` FROM `default`.`t0`) UNION ALL (SELECT `t0`.`id` FROM `default`.`t0`)) UNION ALL (SELECT `t0`.`id` FROM `default`.`t0`)) AS u_1 We should fix it. You can merge this pull request into a Git repository by running: $ git pull https://github.com/viirya/spark-1 nested-union Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/11204.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #11204 ---- commit 93bd51eba6a07468743e087ec137606d3ba588e6 Author: Liang-Chi Hsieh <vii...@gmail.com> Date: 2016-02-15T06:04:22Z Support nested UNION in parser. ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org