soumilshah1995 commented on issue #9183:
URL: https://github.com/apache/hudi/issues/9183#issuecomment-1636551169

   Here is Video Tutorials 
   https://www.youtube.com/watch?v=KNzs9dj_Btc&t=73s
   
   # Tested 
   ```
   try:
       from pyspark.sql import SparkSession
       import os
       import sys
       import uuid
       from datetime import datetime
       from faker import Faker
   except Exception as e:
       print("Error: ", e)
   
   hudi_version = '0.13.1'
   jar_file = 'hudi-spark3.3-bundle_2.12-0.14.0-SNAPSHOT.jar'
   os.environ['PYSPARK_SUBMIT_ARGS'] = f"--jars {jar_file} pyspark-shell"
   os.environ['PYSPARK_PYTHON'] = sys.executable
   os.environ['PYSPARK_DRIVER_PYTHON'] = sys.executable
   
   spark = SparkSession.builder \
       .config('spark.serializer', 
'org.apache.spark.serializer.KryoSerializer') \
       .config('spark.jars', jar_file) \
       .config('spark.sql.hive.convertMetastoreParquet', 'false') \
       .getOrCreate()
   
   db_name = "hudidb"
   table_name = "pre_commit_validator"
   recordkey = 'uuid'
   precombine = 'precomb'
   method = 'upsert'
   table_type = "COPY_ON_WRITE"
   validator_query = """SELECT COUNT(*) FROM <TABLE_NAME> WHERE message IS 
NULL;"""
   path = f"file:///C:/tmp/{db_name}/{table_name}"
   
   hudi_options = {
       'hoodie.table.name': table_name,
       'hoodie.datasource.write.recordkey.field': recordkey,
       'hoodie.datasource.write.table.name': table_name,
       'hoodie.datasource.write.operation': method,
       'hoodie.datasource.write.precombine.field': precombine,
       'hoodie.upsert.shuffle.parallelism': 2,
       'hoodie.insert.shuffle.parallelism': 2,
       "hoodie.precommit.validators": 
"org.apache.hudi.client.validator.SqlQueryEqualityPreCommitValidator",
       "hoodie.precommit.validators.equality.sql.queries": validator_query
   }
   
   spark_df = spark.createDataFrame(data=[
       (1, "This is APPEND 1", 111, "1"),
       (2, "This is APPEND 2", 222, "2"), ],
       schema=["uuid", "message", "precomb", "partition"])
   
   
spark_df.write.format("hudi").options(**hudi_options).mode("append").save(path)
   
spark.read.format("hudi").load(path).createOrReplaceTempView("hudi_snapshots")
   spark.sql("select * from hudi_snapshots").show(truncate=False)
   
   
   spark_df = spark.createDataFrame(
       data=[
           (4, None, 444, None),
           (5, "This is APPEND 5", 555, "5"),
       ],
       schema=["uuid", "message", "precomb", "partition"])
   spark_df.show()
   
spark_df.write.format("hudi").options(**hudi_options).mode("append").save(path)
   
spark.read.format("hudi").load(path).createOrReplaceTempView("hudi_snapshots")
   spark.sql("select * from hudi_snapshots").show(truncate=False)
   ```


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