Re: Re: Migrating Hive 3 to Hive 4

Hive 3 cannot read ACID tables created by Hive 4, as Hive 4 is forward compatible only, not backward compatible.

How to migrate transaction tables across clusters（Hive-3.1.0）

uot; copy data which has been compact to the other HDFS 3.create new table on the HDFS location, and execute "msck repair table test.a" But In the end, I couldn't find the data. By the way, I have one other question, how to migrate transaction table to normal orc table(with no acid but stored as orc format) 243776...@qq.com