有一个很棒的pyspark包，它比较两个 Dataframe ，包的名字是datacompyhttps://capitalone.github.io/datacompy/示例代码：
PySpark / Snowpark在左反连接问题期间随机列名把评论变成对别人有用的答案。leftanti类似于join功能，但...
Test and Validate Results:Always test the join operations with sample data and verify the results to guarantee accuracy. Compare the output of joins with expected results, mainly when dealing with intricate join conditions or sizable datasets. Conclusion PySpark, the Python interface for Apache Spark,...
Compare the DataFrames and make sure the actual result is the same as what's expectedWe need to create a SparkSession to create the DataFrames that'll be used in the test.Create a sparksession.py file with these contents:from pyspark.sql import SparkSession spark = (SparkSession.builder ...