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| author | Herman van Hovell <hvanhovell@databricks.com> | 2016-10-03 19:32:59 -0700 |
|---|---|---|
| committer | Herman van Hovell <hvanhovell@databricks.com> | 2016-10-03 19:32:59 -0700 |
| commit | 2bbecdec2023143fd144e4242ff70822e0823986 (patch) | |
| tree | bcb61dd7987595769bb4271b340b014d4170c7b0 /sql/hive-thriftserver | |
| parent | d8399b600cef706c22d381b01fab19c610db439a (diff) | |
| download | spark-2bbecdec2023143fd144e4242ff70822e0823986.tar.gz spark-2bbecdec2023143fd144e4242ff70822e0823986.tar.bz2 spark-2bbecdec2023143fd144e4242ff70822e0823986.zip | |
[SPARK-17753][SQL] Allow a complex expression as the input a value based case statement
## What changes were proposed in this pull request?
We currently only allow relatively simple expressions as the input for a value based case statement. Expressions like `case (a > 1) or (b = 2) when true then 1 when false then 0 end` currently fail. This PR adds support for such expressions.
## How was this patch tested?
Added a test to the ExpressionParserSuite.
Author: Herman van Hovell <hvanhovell@databricks.com>
Closes #15322 from hvanhovell/SPARK-17753.
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