PySpark
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PySpark RDD | first method
schedule Aug 12, 2023
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PySpark RDD's first(~) method returns the first element of the RDD.
Parameters
This method does not take in any parameters.
Return Value
The type will be that of the first element of the RDD.
Examples
We create a RDD using the parallelize(~) method:
rdd
ParallelCollectionRDD[61] at readRDDFromInputStream at PythonRDD.scala:413
Fetching the first element of a RDD
To fetch the first element in the RDD, use the first() method:
rdd.first()
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Published by Isshin Inada
Edited by 0 others
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Official PySpark Documentation
https://spark.apache.org/docs/latest/api/python/reference/api/pyspark.RDD.first.html
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