cancel
Showing results for 
Search instead for 
Did you mean: 
Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
cancel
Showing results for 
Search instead for 
Did you mean: 

how to read columns dynamically using pyspark

Enthusiastic_Da
New Contributor II

I have a table called MetaData and what columns are needed in the select are stored in MetaData.columns

I would like to read columns dynamically from MetaData.columns and create a view based on that.

csv_values = "col1, col2, col3, col4"

df = spark.createDataFrame([(csv_values,)], ["csv_column"])

df = df.select(split(df["csv_column"], ",").alias("array_column"))

df1 = spark.read.format("parquet").load("FilePath").select(df["*"])

This code is throwing error like below

Unexpected exception formatting exception. Falling back to standard exception

0 REPLIES 0

Join Us as a Local Community Builder!

Passionate about hosting events and connecting people? Help us grow a vibrant local community—sign up today to get started!

Sign Up Now