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Posted to commits@spark.apache.org by rx...@apache.org on 2016/11/02 04:20:56 UTC
spark git commit: [SPARK-18216][SQL] Make Column.expr public
Repository: spark
Updated Branches:
refs/heads/master 77a98162d -> ad4832a9f
[SPARK-18216][SQL] Make Column.expr public
## What changes were proposed in this pull request?
Column.expr is private[sql], but it's an actually really useful field to have for debugging. We should open it up, similar to how we use QueryExecution.
## How was this patch tested?
N/A - this is a simple visibility change.
Author: Reynold Xin <rx...@databricks.com>
Closes #15724 from rxin/SPARK-18216.
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/ad4832a9
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/ad4832a9
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/ad4832a9
Branch: refs/heads/master
Commit: ad4832a9faf2c0c869bbcad9d71afe1cecbd3ec8
Parents: 77a9816
Author: Reynold Xin <rx...@databricks.com>
Authored: Tue Nov 1 21:20:53 2016 -0700
Committer: Reynold Xin <rx...@databricks.com>
Committed: Tue Nov 1 21:20:53 2016 -0700
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sql/core/src/main/scala/org/apache/spark/sql/Column.scala | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/ad4832a9/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
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diff --git a/sql/core/src/main/scala/org/apache/spark/sql/Column.scala b/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
index 05e867b..249408e 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
@@ -118,6 +118,9 @@ class TypedColumn[-T, U](
* $"a" === $"b"
* }}}
*
+ * Note that the internal Catalyst expression can be accessed via "expr", but this method is for
+ * debugging purposes only and can change in any future Spark releases.
+ *
* @groupname java_expr_ops Java-specific expression operators
* @groupname expr_ops Expression operators
* @groupname df_ops DataFrame functions
@@ -126,7 +129,7 @@ class TypedColumn[-T, U](
* @since 1.3.0
*/
@InterfaceStability.Stable
-class Column(protected[sql] val expr: Expression) extends Logging {
+class Column(val expr: Expression) extends Logging {
def this(name: String) = this(name match {
case "*" => UnresolvedStar(None)
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