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Marco Gaido 69350aa2f0 [SPARK-23922][SQL] Add arrays_overlap function 
## What changes were proposed in this pull request?

The PR adds the function `arrays_overlap`. This function returns `true` if the input arrays contain a non-null common element; if not, it returns `null` if any of the arrays contains a `null` element, `false` otherwise.

## How was this patch tested?

added UTs

Author: Marco Gaido <marcogaido91@gmail.com>

Closes #21028 from mgaido91/SPARK-23922.
2018-05-17 20:45:32 +08:00
..
__init__.py [SPARK-22369][PYTHON][DOCS] Exposes catalog API documentation in PySpark 2017-11-02 15:22:52 +01:00
catalog.py [SPARK-23522][PYTHON] always use sys.exit over builtin exit 2018-03-08 20:38:34 +09:00
column.py [SPARK-23847][PYTHON][SQL] Add asc_nulls_first, asc_nulls_last to PySpark 2018-04-08 12:09:06 +08:00
conf.py [SPARK-23700][PYTHON] Cleanup imports in pyspark.sql 2018-03-26 12:42:32 +09:00
context.py [SPARK-23706][PYTHON] spark.conf.get(value, default=None) should produce None in PySpark 2018-03-18 20:24:14 +09:00
dataframe.py [PYSPARK] Update py4j to version 0.10.7. 2018-05-09 10:47:35 -07:00
functions.py [SPARK-23922][SQL] Add arrays_overlap function 2018-05-17 20:45:32 +08:00
group.py [SPARK-23700][PYTHON] Cleanup imports in pyspark.sql 2018-03-26 12:42:32 +09:00
readwriter.py [SPARK-23853][PYSPARK][TEST] Run Hive-related PySpark tests only for -Phive 2018-05-01 09:06:23 +08:00
session.py [SPARK-23699][PYTHON][SQL] Raise same type of error caught with Arrow enabled 2018-03-27 20:06:12 -07:00
streaming.py [SPARK-23765][SQL] Supports custom line separator for json datasource 2018-03-28 19:49:27 +08:00
tests.py [SPARK-24259][SQL] ArrayWriter for Arrow produces wrong output 2018-05-15 22:06:58 +08:00
types.py [SPARK-24057][PYTHON] put the real data type in the AssertionError message 2018-04-26 14:21:22 -07:00
udf.py [SPARK-23700][PYTHON] Cleanup imports in pyspark.sql 2018-03-26 12:42:32 +09:00
utils.py [SPARK-23699][PYTHON][SQL] Raise same type of error caught with Arrow enabled 2018-03-27 20:06:12 -07:00
window.py [SPARK-23861][SQL][DOC] Clarify default window frame with and without orderBy clause 2018-04-07 00:15:54 +08:00