To check if a column exists in a PySpark DataFrame in a case-insensitive manner, convert both the column name and the DataFrame’s column names to a consistent case (e.g., uppercase) before comparing. Use the following approach: # Case insensitive column_to_check = "column_name" exists ...
pyspark --jars hologres-connector-spark-3.x-1.4.2-SNAPSHOT-jar-with-dependencies.jar ``` 与spark-shell类似,使用源数据创建DataFrame之后调用connector进行写入 Expand All @@ -253,7 +253,7 @@ df2.write.format("hologres").option( 启动pyspark并加载connector ```shell spark-sql --jars h...