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| author | Reynold Xin <rxin@databricks.com> | 2015-08-19 17:35:41 -0700 |
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| committer | Reynold Xin <rxin@databricks.com> | 2015-08-19 17:35:41 -0700 |
| commit | 2f2686a73f5a2a53ca5b1023e0d7e0e6c9be5896 (patch) | |
| tree | f1b6fb27ac14f38bfe268aa52e799c3c87e25dcc /examples/src/main | |
| parent | ba5f7e1842f2c5852b5309910c0d39926643da69 (diff) | |
| download | spark-2f2686a73f5a2a53ca5b1023e0d7e0e6c9be5896.tar.gz spark-2f2686a73f5a2a53ca5b1023e0d7e0e6c9be5896.tar.bz2 spark-2f2686a73f5a2a53ca5b1023e0d7e0e6c9be5896.zip | |
[SPARK-9242] [SQL] Audit UDAF interface.
A few minor changes:
1. Improved documentation
2. Rename apply(distinct....) to distinct.
3. Changed MutableAggregationBuffer from a trait to an abstract class.
4. Renamed returnDataType to dataType to be more consistent with other expressions.
And unrelated to UDAFs:
1. Renamed file names in expressions to use suffix "Expressions" to be more consistent.
2. Moved regexp related expressions out to its own file.
3. Renamed StringComparison => StringPredicate.
Author: Reynold Xin <rxin@databricks.com>
Closes #8321 from rxin/SPARK-9242.
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