frompyspark.sql.functionsimportcol,expr,when,udffromurllib.parseimporturlparse# Define a UDF (User Defined Function) to extract the domaindefextract_domain(url):ifurl.startswith('http'):returnurlparse(url).netlocreturnNone# Register the UDF with Sparkextract_domain_udf=udf(extract_domain)# Featur...
from delta.tables import * from pyspark.sql.functions import * delta_table = DeltaTable.forPath(spark, delta_table_path) delta_table.update( condition = expr("id % 2 == 0"), set = { "id": expr("id + 100") }) delta_table.toDF().show() Results in:...
In this blog post, we'll dive into PySpark's orderBy() and sort() functions, understand their differences, and see how they can be used to sort data in DataFrames.
Delta Lake provides programmatic APIs to conditional update, delete, and merge (this command is commonly referred to as an upsert) data into tables. Python fromdelta.tablesimport*frompyspark.sql.functionsimport* delta_table = DeltaTable.forPath(spark, delta_table_path) del...