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author | Reynold Xin <rxin@databricks.com> | 2015-01-29 19:09:08 -0800 |
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committer | Reynold Xin <rxin@databricks.com> | 2015-01-29 19:09:08 -0800 |
commit | 80def9deb3bfc30d5b622b32aecb0322341a7f62 (patch) | |
tree | 9b42a7be87468d451aa3f7e3c3d06438b5b007e5 /python/pyspark | |
parent | 22271f969363fd139e6cfb5a2d95a2607fb4e572 (diff) | |
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[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 'python/pyspark')
0 files changed, 0 insertions, 0 deletions