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| author | Michael Armbrust <michael@databricks.com> | 2014-07-08 00:41:46 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@apache.org> | 2014-07-08 00:41:55 -0700 |
| commit | faa0e9f56f62d56d1b8872b2cb9cd4bbad5d3ab5 (patch) | |
| tree | 04c660800a2ce93fc835147450d2adef5580c620 /sql/catalyst | |
| parent | 23b01a3033294fa4d0c3bbdaafa21a1e5c6e4022 (diff) | |
| download | spark-faa0e9f56f62d56d1b8872b2cb9cd4bbad5d3ab5.tar.gz spark-faa0e9f56f62d56d1b8872b2cb9cd4bbad5d3ab5.tar.bz2 spark-faa0e9f56f62d56d1b8872b2cb9cd4bbad5d3ab5.zip | |
[SPARK-2391][SQL] Custom take() for LIMIT queries.
Using Spark's take can result in an entire in-memory partition to be shipped in order to retrieve a single row.
Author: Michael Armbrust <michael@databricks.com>
Closes #1318 from marmbrus/takeLimit and squashes the following commits:
77289a5 [Michael Armbrust] Update scala doc
32f0674 [Michael Armbrust] Custom take implementation for LIMIT queries.
(cherry picked from commit 5a4063645dd7bb4cd8bda890785235729804ab09)
Signed-off-by: Reynold Xin <rxin@apache.org>
Diffstat (limited to 'sql/catalyst')
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