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[SPARK-29627][PYTHON][SQL] Allow array_contains to take column instances #26288

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[SPARK-29627][PYTHON][SQL] Allow array_contains to take column instances #26288

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7ab0c76
Allow array_contains to take column instances
HyukjinKwon Oct 29, 2019
5f8b160
Fix doc
HyukjinKwon Oct 29, 2019
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5 changes: 4 additions & 1 deletion python/pyspark/sql/functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1940,13 +1940,16 @@ def array_contains(col, value):
given value, and false otherwise.

:param col: name of column containing array
:param value: value to check for in array
:param value: value or column to check for in array

>>> df = spark.createDataFrame([(["a", "b", "c"],), ([],)], ['data'])
>>> df.select(array_contains(df.data, "a")).collect()
[Row(array_contains(data, a)=True), Row(array_contains(data, a)=False)]
>>> df.select(array_contains(df.data, lit("a"))).collect()
[Row(array_contains(data, a)=True), Row(array_contains(data, a)=False)]
"""
sc = SparkContext._active_spark_context
value = value._jc if isinstance(value, Column) else value
return Column(sc._jvm.functions.array_contains(_to_java_column(col), value))


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