diff options
| author | Reynold Xin <rxin@databricks.com> | 2015-01-29 19:09:08 -0800 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2015-01-29 19:09:08 -0800 |
| commit | 80def9deb3bfc30d5b622b32aecb0322341a7f62 (patch) | |
| tree | 9b42a7be87468d451aa3f7e3c3d06438b5b007e5 /mllib | |
| parent | 22271f969363fd139e6cfb5a2d95a2607fb4e572 (diff) | |
| download | spark-80def9deb3bfc30d5b622b32aecb0322341a7f62.tar.gz spark-80def9deb3bfc30d5b622b32aecb0322341a7f62.tar.bz2 spark-80def9deb3bfc30d5b622b32aecb0322341a7f62.zip | |
[SQL] Support df("*") to select all columns in a data frame.
This PR makes Star a trait, and provides two implementations: UnresolvedStar (used for *, tblName.*) and ResolvedStar (used for df("*")).
Author: Reynold Xin <rxin@databricks.com>
Closes #4283 from rxin/df-star and squashes the following commits:
c9cba3e [Reynold Xin] Removed mapFunction in UnresolvedStar.
1a3a1d7 [Reynold Xin] [SQL] Support df("*") to select all columns in a data frame.
Diffstat (limited to 'mllib')
0 files changed, 0 insertions, 0 deletions