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This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: dumpling导出工具增加一些自定义的设置

Using Dumpling to export some RDS/MySQL databases, some products may have their own characteristics. I hope to add some features to Dumpling to adapt to parallel exports of multiple databases, such as:
- The ability to specify custom HINTs and add these hints to the select statements generated during export.
- When Dumpling exports using multiple threads, it uses EXPLAIN to estimate the number of rows. For example, some sharding middleware does not support output with the same structure. Can we customize this row count or use a more general method such as information_schema.tables.table_rows or other more efficient and general methods?