XenosK commented on issue #7794:
URL: https://github.com/apache/seatunnel/issues/7794#issuecomment-2410698092

   
https://github.com/apache/seatunnel/blob/dev/seatunnel-connectors-v2/connector-cdc/connector-cdc-base/src/main/java/org/apache/seatunnel/connectors/cdc/base/source/enumerator/splitter/AbstractJdbcSourceChunkSplitter.java
   
   The  split column selection order is:
   1、primary key and primary key type is tinyint
   2、unique key and unique key type is tinyint
   3、no tinyint key , compare  primary key and  unique key  type,the type order 
is: SMALLINT、INT、BIGINT、DECIMAL、STRING
   This is a design issue,and I think can add user defined split column,if need 
can assigned to me


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