""" 实现类似SQL MERGE INTO功能的PySpark函数 参数: target_df: 目标DataFrame source_df: 源DataFrame merge_key: 用于匹配的键值列(列表) update_rules: 更新规则字典(目标列: 源列表达式) insert_columns: 插入操作使用的列列表 delete_condition: 删除条件表达式 返回合并后的DataFrame """ try: # 参数校验...
function objects,and algorithms.A container is a unit, like an array, that can hold several values. STL containers are homogeneous; that is, they hold values all of the same kind.Algorithms are recipes for accomplishing particular tasks, such as sorting an array or finding a particular value ...
create a MOR table (see below pyspark script) do insert do upsert (to create logs files) sync glue w/ hive sync now try to read both _ro / _rt tables _ro works fine, but _rt fails Caused by: java.io.IOException: No FileSystem for scheme: s3 at org.apache.hadoop.fs.FileSystem....
The error message you are getting is because you are trying to insert a column into the target table that does not exist in the source table. This is not allowed by Delta Lake, because it could corrupt the data in the target table. To fix this, you need to make s...
Grant ALL, DESCRIBE, SELECT, INSERT, DELETE, and ALTER access on the Iceberg table LF-Tags to the AWS Glue ETL IAM role On theTesttab, chooseTestto run the function. When the function is complete, you will see the message “Executing function: succeeded.” ...
Query engine PySpark on Dataproc Question I use spark 3.3 on dataproc (image version 2.1) with iceberg 1.1.0. The dataproc cluster already had dataproc metastore attached. I already added iceberg extension in my spark config, and even us...
Grant ALL, DESCRIBE, SELECT, INSERT, DELETE, and ALTER access on the Iceberg table LF-Tags to the AWS Glue ETL IAM role On theTesttab, chooseTestto run the function. When the function is complete, you will see the message “Executing function: succeeded.” ...
To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters Show hidden characters Original file line numberDiff line numberDiff line change @@ -1,2 +1,2 @@ ## 大数据概述 ## PySpark和离线数据处理 2 changes: 1 addition ...
Grant ALL, DESCRIBE, SELECT, INSERT, DELETE, and ALTER access on the Iceberg table LF-Tags to the AWS Glue ETL IAM role On theTesttab, chooseTestto run the function. When the function is complete, you will see the message “Executing function: succeeded....
Grant ALL, DESCRIBE, SELECT, INSERT, DELETE, and ALTER access on the Iceberg table LF-Tags to the AWS Glue ETL IAM role On theTesttab, chooseTestto run the function. When the function is complete, you will see the message “Executing function: succeeded....