PySpark: multiple conditions in when clause - Stack Overflow
Jun 8, 2016 · Very helpful observation when in pyspark multiple conditions can be built using & (for and) and | (for or). Note:In pyspark t is important to enclose every expressions within …
Comparison operator in PySpark (not equal/ !=) - Stack Overflow
Aug 24, 2016 · The selected correct answer does not address the question, and the other answers are all wrong for pyspark. There is no "!=" operator equivalent in pyspark for this …
python - Spark Equivalent of IF Then ELSE - Stack Overflow
python apache-spark pyspark apache-spark-sql edited Dec 10, 2017 at 1:43 Community Bot 1 1
python - Concatenate two PySpark dataframes - Stack Overflow
May 20, 2016 · Utilize simple unionByName method in pyspark, which concats 2 dataframes along axis 0 as done by pandas concat method. Now suppose you have df1 with columns id, …
spark dataframe drop duplicates and keep first - Stack Overflow
Aug 1, 2016 · 2 I just did something perhaps similar to what you guys need, using drop_duplicates pyspark. Situation is this. I have 2 dataframes (coming from 2 files) which are exactly same …
Pyspark: Parse a column of json strings - Stack Overflow
I have a pyspark dataframe consisting of one column, called json, where each row is a unicode string of json. I'd like to parse each row and return a new dataframe where each row is the …
Pyspark dataframe LIKE operator - Stack Overflow
Oct 24, 2016 · What is the equivalent in Pyspark for LIKE operator? For example I would like to do: SELECT * FROM table WHERE column LIKE "*somestring*"; looking for something easy …
Filtering a Pyspark DataFrame with SQL-like IN clause
Mar 8, 2016 · Filtering a Pyspark DataFrame with SQL-like IN clause Asked 9 years, 8 months ago Modified 3 years, 7 months ago Viewed 122k times
Best way to get the max value in a Spark dataframe column
1 Comment Vyom Shrivastava Over a year ago Make sure you have the correct imports, You need to import the following: from pyspark.sql.functions import max The max we use here is …
pyspark: rolling average using timeseries data - Stack Overflow
Aug 22, 2017 · pyspark: rolling average using timeseries data Asked 8 years, 2 months ago Modified 6 years, 2 months ago Viewed 77k times