cyd257666 opened a new issue, #8154: URL: https://github.com/apache/seatunnel/issues/8154
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened debug find that method [getCatalogTable(ResultSetMetaData metadata,BiFunction<ResultSetMetaData, Integer, Column> columnConverter,String sqlQuery)):CatalogTable] The TableSchema in the created CatalogTable object does not assign a PrimaryKey object value, resulting in the ChunkSplitter class generateSplits method JdbcSourceTable object having no primary key value  ### SeaTunnel Version 2.3.8 ### SeaTunnel Config ```conf env { job.mode = BATCH job.name = "SeaTunnel" spark.executor.instances = 1 spark.executor.cores = 1 spark.executor.memory = "1g" spark.master = local } source{ jdbc { driver = "com.mysql.cj.jdbc.Driver" url = "jdbc:mysql://xxxxxx:3307/xxxxx?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true&autoReconnect=true&useSSL=false" user = "xxxxxxx" password = "xxxxxxxx" query = "select id,xxxx from xxx.xxxxxxx" # partition_column = "id" split.size = 8096 } } transform { } sink { Console { parallelism = 2 } } ``` ### Running Command ```shell seatunnel-spark-connector-v2-example SeaTunnelApiExample class ``` ### Error Exception ```log no exception ``` ### Zeta or Flink or Spark Version spark ### Java or Scala Version java 1.8 scala 2.11.12 ### Screenshots  ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
