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· 11 min read

1. Background

With the increasing number of users and developers of Apache InLong(incubating), the demand for richer usage scenarios and low-cost operation is getting stronger and stronger. Among them, the demand for adding Transform (T) to the whole link of InLong has received the most feedback. After the research and design of @yunqingmoswu, @EMsnap, @gong, @thexiay community developers, the InLong Sort ETL solution based on Flink SQL has been completed. This article will introduce the implementation details of the solution in detail.