Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22788#discussion_r227093538
--- Diff:
sql/core/src/test/resources/sql-tests/results/columnresolution-negative.sql.out
---
@@ -81,7 +81,7 @@ SELECT t1.i1 FROM t1, mydb1.t1
Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22788#discussion_r226988117
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2702,7 +2702,7 @@ class SQLQuerySuite extends QueryTest with
Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22788#discussion_r226987977
--- Diff:
sql/core/src/test/resources/sql-tests/results/columnresolution-negative.sql.out
---
@@ -81,7 +81,7 @@ SELECT t1.i1 FROM t1, mydb1.t1
Github user huaxingao commented on a diff in the pull request:
https://github.com/apache/spark/pull/22788#discussion_r226872842
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
---
@@ -98,8 +98,18 @@ case class
Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22788#discussion_r226870804
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
---
@@ -98,8 +98,18 @@ case class
GitHub user huaxingao opened a pull request:
https://github.com/apache/spark/pull/22788
[SPARK-25769][SQL]change nested columns from `a.b` to `a`.`b`
## What changes were proposed in this pull request?
Currently, ```$"a.b".expr.asInstanceOf[UnresolvedAttribute].sql```
