zhaoyuxiaoxiao commented on issue #3042:
URL: https://github.com/apache/iceberg/issues/3042#issuecomment-915801041
@openinx ，I am using the master compiled version, I am upgrading the table
form through sparkSQL，SQL：“alter table hive_prod.test.hive2iceberg_table set
TBLPROPERTIES ('engine.hive.enabled' = 'true' , 'format-version' = '2',
'write.upsert.enable' = 'true') ;”
I'm not sure there's a problem with that。
After the upgrade I used flinkSQL test to insert data and he reported an
error.
[ERROR] Could not execute SQL statement. Reason:
java.lang.IllegalStateException: Equality field columns shouldn't be empty
when configuring to use UPSERT data stream.
Error prompt: It seems that I did not specify a primary key。
Please take a look at it for me. Thank you
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