vinlee19 opened a new pull request, #385:
URL: https://github.com/apache/doris-flink-connector/pull/385

   # Proposed changes
   If some tables in different databases have the same name, their schemas will 
be merged and their records will be synchronized into one Doris table. 
Otherwise, each table's records will be synchronized to a corresponding Doris 
table, and the Doris table will be named to 'databaseName_tableName' to avoid 
potential name conflict.
   
        For example , if you have a customer_1 in db1, and another same table 
in db2 in mysql , if you don not  set the option `--database `,  db1 and db2 
will be created in Doris.  when set  the option `database test_db` in following 
shell, all tables in mysql will sink one database in Doris.  the records from 
the customer_1 and customer_2 in mysql will be synchronized in one Doris table 
`customer_1`. 
        If you want tables with the same schema but in different databases to 
synchronize to the same Doris database with different table names, you can set 
the option `--merge-same-schema false`. The Doris tables will then be named 
`test_db_customer_1` and `test_db_customer_2`, and the records will be loaded 
separately.
   
   ```
   bin/flink run \
       -Dexecution.checkpointing.interval=10s \
       -Dparallelism.default=1 \
       -c org.apache.doris.flink.tools.cdc.CdcTools \
       lib/flink-doris-connector-1.16-1.6.1-SNAPSHOT.jar \
       mysql-sync-database \
       --database test_db \
       --mysql-conf hostname=127.0.0.1 \
       --mysql-conf port=3306 \
       --mysql-conf username=root \
       --mysql-conf password=123456 \
       --mysql-conf database-name="db.*" \
       --including-tables "tbl1|test.*" \
       --sink-conf fenodes=127.0.0.1:8030 \
       --sink-conf username=root \
       --sink-conf password=123456 \
       --sink-conf jdbc-url=jdbc:mysql://127.0.0.1:9030 \
       --sink-conf sink.label-prefix=label \
       --table-conf replication_num=1 
   ```
   
   Issue Number: close #xxx
   
   ## Problem Summary:
   
   Describe the overview of changes.
   
   ## Checklist(Required)
   
   1. Does it affect the original behavior: (Yes/No/I Don't know)
   2. Has unit tests been added: (Yes/No/No Need)
   3. Has document been added or modified: (Yes/No/No Need)
   4. Does it need to update dependencies: (Yes/No)
   5. Are there any changes that cannot be rolled back: (Yes/No)
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at 
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you 
chose the solution you did and what alternatives you considered, etc...
   


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