fsk119 opened a new pull request, #23034:
URL: https://github.com/apache/flink/pull/23034
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## What is the purpose of the change
*Currently the jdbc bundle jar also includes flink-core and sql-client jar.
However, the jdbc bundle relies on flink-core is because we use
AutoCloseableRegistry in the ExecutorImpl. So we copy the class from the
flink-core and remove the dependency.*
*I think the jdbc-bundle jar is used in the java program, which provides a
client to communicate with gateway. Sql-client prodives a terminal client for
users to submit their sql easily. So I think it should the sql-client relies on
the jdbc, which is different from the current implementation.*
## Brief change log
- *Copy the AutoCloseableRegistry from the flink-core to jdbc module*
- *Move the Executor from the sql-client module to jdbc module. The
Executor provides a low level API to submit sql to the gateway comparing to the
jdbc.*
- *Change the dependency between jdbc and sql-client.*
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