Convert a string to a timestamp object in Pyspark
I am trying to convert a string to a timestamp format in Pyspark. from pyspark.sql.types import DateType df = spark.createDataFrame([(’28/Mar/2021:06:29:54 -0700′,)], [‘dt’]) df.select(date_format(‘…
Tag: pyspark
is there a trim() function for RDDs?
To remove leading and trailing whitespaces, I know you can use trim on dataframes. Is there a similar function when using RDDs? If not, how would you do this? Edit: Added some code: nonNullRDD = …
Pyspark: Concatenate sorted columns startwith similar name
I am trying to concatenate string columns. I can achieve it using the below code without sorting columns. Appreciate someone can help me to sort and concatenate string columns. Dataframe import …
Error debugging PySpark after upgrading cluster’s Databricks Runtime
I have updated an Azure Databricks cluster from runtime 5.5LTS to 7.3LTS. Now I’m getting an error when I debug in VSCode. I have updated my Anaconda connection like this: > conda create –name …
PySpark DataFrame – Filter nested column
I know there are a lot of similar questions out there but I haven’t found any that matches my scenario exactly so please don’t be too trigger-happy with the Duplicate flag. I’m working in a Python 3 …
Is there any method in pyspark to get the name of the university from a url?
host count 0 xsi12.komaba.ecc.u-tokyo.ac.jp 401 1 sunspot.eds.ecip.nagoya-u.ac.jp 387 2 rungw002.ritsumei.ac.jp 343 get the university name from the data frame …
pyspark- how to calculate percentage
I have a dataframe with product id, name, and weight. I hope to calculate the percentage of products that weighted between 10-20, and also 50-60. I can think of a naive way which is count all the rows,…
I have two pyspark dataframe and want to calculate sum in points colum in second dataframe based on column values in first dataframe
So this is my first dataframe which includes player points Playername pid matchid points 0 Virat Kohli 10 2 0 1 Ravichandran Ashwin 11 2 9 2 Gautam Gambhir 12 2 1 3 Ravindra Jadeja 13 2 7 4 Amit …
Max Value in N days before end of week/month/quarter
I have a dataframe df which contains daily data for many ids, sample: | yyyy_mm_dd | id | availability | |————|——|————–| | 2020-01-01 | 1334 | 300 | | 2020-01-02 | 1334 …
pyspark — best way to sum values in column of type Array(StringType()) after splitting
I have a dataframe like this, name | scores Dan | [1_10, 2_5, 3_2, 4_12.5] Ann | [2_12.4, 3_4.5, 5_9.3] Jon | [2_1.7] For each row, I want to extract the number value (split item on underscored …