Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/10541#discussion_r48728103
--- Diff:
sql/hive/src/main/antlr3/org/apache/spark/sql/parser/SparkSqlParser.g ---
@@ -637,7 +637,7 @@ import org.apache.hadoop.hive.conf.HiveConf;
// counter to generate unique union aliases
private int aliasCounter;
private String generateUnionAlias() {
- return "_u" + (++aliasCounter);
+ return "u_" + (++aliasCounter);
--- End diff --
Yes. `_u` appears as an alias of a subquery. I hit this issue while trying
to fix `HiveQuerySuite.CTE feature #2`.
---
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
