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Jacek Laskowski

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1525.89 (22,827th) 		Reputation
48,121 (2,126th)
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Title Δ
How to execute hql files with multiple SQL queries per single file? +1.65
How to deploy assembly jar and use it as provided dependency? -0.01
How to find the index of the maximum value in a vector column? -0.53
What is Project node in execution query plan? 0.00
What's the difference between SparkSession.catalog and SparkSes... 0.00
How to pass DataFrame as input to Spark UDF? 0.00
How to execute stream processing only when there are at least N rows? +2.08
How to get the size of result generated using concat_ws? 0.00
How to execute an update query in spark through JDBC 0.00
How to split 1 RDD into 6 parts in a performant manner? +0.49
How to add a column to a Spark DataFrame where each new element dep... -0.01
How to submit Spark jobs generated at runtime? +2.01
How to access stateSnapshot in mapGroupsWithState or share the Grou... -0.98
Spark - How to do conditional reducing by key? -0.01
How to use different window specification per column values? 0.00
How to get the output from console streaming sink in Zeppelin? -1.62
How to use window specification and join condition per column values? -2.16
Why does streaming Dataset fail with "Complete output mode not... 0.00
Why does StreamingQueryStatus.isDataAvailable is turned on when no... 0.00
How to apply custom data formatting/map to each event before loadin... +0.52
How to convert streaming DataFrame into regular batch DataFrame? +0.46
When would ShuffleBlockFetcherIterator throw "Failed to get bl... 0.00
Why does spark-shell fail with "The filename, directory name,... 0.00
How to know what bin/run-example is converted to? -0.01
How to validate SQL expression (in user frontend) without executing... 0.00
Are table statistics of any use prior to Spark 2.2? 0.00
How to pattern match on Row with null values? -2.04
Why does pyspark fail with "Error while instantiating 'org... 0.00
Does SparkSession always use Hive Context? 0.00
Why does sbt fail with "object SQLContext is not a member of p... 0.00
How to execute an application uploaded to worker nodes with --files... -0.52
Loading dependency jars (different versions of same jar for differe... 0.00
How to process XML datasets? 0.00
How to get the progress bar (with stages and tasks) with yarn-clust... 0.00
Why am I not able to override num-executors option with spark-submit? -0.98
How to write a nested query? 0.00
How to convert dataframe to avro using schema? 0.00
How to stream datasets from a table? 0.00
How to migrate Spark application with multiple SparkContexts active? +0.48
How to generate row number as a column for an existing table? +0.48
Why does sbt assembly of a Spark application lead to "Modules... 0.00
How to construct HDFS's Path from properties in jar? 0.00
Why does compiling Spark application from within sbt session fail w... 0.00
How to flatten columns of type array of structs (as returned by Spa... -0.52
Convert Oracle stored procedure to Hive or Spark 0.00
Why does spark-xml fail with NoSuchMethodError with Spark 2.0.0 dep... 0.00
How to create schema (StructType) with one or many StructTypes? -0.16
Why could a custom receiver fail with "NoClassDefFoundError: s... 0.00
How to force inferSchema for CSV to consider integers as dates (wit... +2.38
How to write UDF with values as references to other columns? -1.64