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David Vrba

Rating
1508.54 (82,515th)

Reputation
49 (1,055,137th)

Page: 1 2

Title	Δ
Get the max value over the window in pyspark	0.00
Calculate table statistics using scala and spark-sql	0.00
How to use tranform API in spark3.0.0?	0.00
How to remove redundant exchanges in Spark DAG	0.00
spark.sql.files.maxPartitionBytes not limiting max size of written...	0.00
Difference in Spark SQL Shuffle partitions	-0.39
Order of table joining in SparkSQL for better performance	0.00
Spark Window aggregation vs. Group By/Join performance	+3.60
HashAggregate in SparkSQL Query Plan	0.00
How to find the size of a dataframe in pyspark	+4.11
Pyspark: create spark data frame from nested dictionary	-4.06
Removing rows in a nested struct in a spark dataframe using PySpark...	0.00
Extract struct fields in Spark scala	0.00
AnalysisException: Expression not supported within a window functio...	0.00
PySpark: How to extract variables from a struct nested in a struct...	0.00
create DataFrame of struct PySpark	0.00
Spark dataframe groupby and order group?	0.00
Pyspark Dataframe Default storagelevel for persist and cache()	0.00
What are the Spark transformations that cause a shuffle on Datafram...	0.00
How to count the trailing zeroes in an array column in a PySpark da...	+3.23
Read all partitioned parquet files in PySpark	-4.10
Pyspark - Fill.na position changes .when condition outcome	0.00
How filter in an Array column values in Pyspark	-0.08
The basic statistics estimation for the tables of Spark SQL	0.00
Spark: UDF executed many times	0.00
PySpark TypeError: int() argument must be a string or a number, n...	0.00
Spark: create new column from another but not nullable	0.00
Can I read only wanted Files from a directory in scala-spark	0.00
How to stop Spark resolving UDF column in conditional statement	0.00
Convert a column in Dataset which have key value pairs into differe...	-0.04
Temporary Views and Auto Broadcast Join Error	0.00
how to create a column from an existing one in spark	-4.19
How to check if a Hive table exists using PySpark	-2.24
Spark. How to start making sense of the below execution plan	0.00
How to use from_json standard function with custom schema (error: o...	0.00
AnalysisException: Table or view not found --- Even after I create...	+3.79
How to sort data in a cell of a dataframe?	-0.04
Converting Array of Strings to String with different delimiters in...	+1.12
pyspark `substr' without length	+4.00
How to append an array column to spark dataframe	0.00
Find a record with max value in a group	+4.04
How to check if a Spark data frame struct Array contains a specific...	0.00
In spark dataframe for map column how to update values with a const...	0.00
Spark Dataframe Filter Optimization	0.00
Turn a spark DataFrame into a list of each row	0.00
How to dynamically slice an Array column in Spark?	0.00
Underlying implementation of Group By clause in Spark SQL	0.00
Create rows between values of column in sql	0.00
The output of Spark DataFrame replace column names with "0&quo...	0.00
I need to append only those who has non null values in pyspark data...	+4.14