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New posts in apache-spark
How to add column with constant in Spark-java data frame
Jun 29, 2020
java
apache-spark
How do I get the last item from a list using pyspark?
Sep 18, 2022
apache-spark
pyspark
apache-spark-sql
Dynamically rename multiple columns in PySpark DataFrame
Feb 13, 2022
apache-spark
dataframe
pyspark
special-characters
Converting a dataframe into JSON (in pyspark) and then selecting desired fields
Nov 19, 2022
python
json
apache-spark
pyspark
SparkException: Values to assemble cannot be null
Oct 12, 2020
apache-spark
apache-spark-sql
apache-spark-ml
Comparing Cassandra's CQL vs Spark/Shark queries vs Hive/Hadoop (DSE version)
Aug 25, 2022
cassandra
hive
cql
apache-spark
shark-sql
Apache Spark: get elements of Row by name
Sep 18, 2022
scala
apache-spark
schema
dataframe
How to re-partition pyspark dataframe?
Sep 18, 2022
python
apache-spark
machine-learning
pyspark
How to sum the values of a column in pyspark dataframe
Aug 20, 2022
apache-spark
dataframe
sum
pyspark
How to suppress INFO messages for spark-sql running on EMR?
Sep 17, 2022
log4j
apache-spark
emr
use length function in substring in spark
Sep 18, 2022
scala
apache-spark
dataframe
substring
string-length
Convert timestamp to date in Spark dataframe
Feb 14, 2022
python
python-3.x
apache-spark
pyspark
apache-spark-sql
How to find max value in pair RDD?
Nov 16, 2022
scala
apache-spark
pyspark
create substring column in spark dataframe
Feb 04, 2019
scala
apache-spark
spark-dataframe
How to specify schema for CSV file without using Scala case class?
Nov 17, 2022
scala
apache-spark
apache-spark-sql
Why does foreach not bring anything to the driver program?
Sep 13, 2022
apache-spark
Creating a Spark DataFrame from an RDD of lists
Oct 22, 2022
apache-spark
dataframe
pyspark
Spark 2.2 Illegal pattern component: XXX java.lang.IllegalArgumentException: Illegal pattern component: XXX
Feb 11, 2022
scala
apache-spark
spark-dataframe
Spark: run InputFormat as singleton
Jun 04, 2021
database
hadoop
apache-spark
Spark ML indexer cannot resolve DataFrame column name with dots?
Jan 02, 2019
java
apache-spark
apache-spark-mllib
apache-spark-ml
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