[Feature][connector-tdengine] Enhance the tdengine connector to retrieve specified sub-table and field-name and sink specified field-name data.

[chncaesar]

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Description

We would like to enhance the connector-seatunnel to retrieved specified sub-table and field-name, and accordingly, only insert specicied field-name into tdengine.

Usage Scenario

Our production environment contains huge amount of data , and we want to migration part of data to test environment for testing purposes. Because the resources of test environment is limited and it can not accomodate all the data. It'd be nice to filter data by sub_tables and field_name on the source side, and insert specified field_names on the sink side.

中文
我们生产环境包含大量数据，但测试环境资源有限，无法存储全量数据。因而，我们希望 seatunnel-tdengine 能够支持只读取指定的子表 字段，并只写入指定的字段。以达成我们同步部分生产数据至测试环境的目的。

Related issues

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Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

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