[PR] Adjusted _dump_table_to_file to read rows in batches to prevent memor… [airflow]

["dominikhei (via GitHub)" <gi...@apache.org>]

dominikhei opened a new pull request, #51268:
URL: https://github.com/apache/airflow/pull/51268

   ---
   
   closes: #
   
   I have adjusted the `_dump_table_to_file` function, to fetch rows in batches of 500 and thus not run into problems if the db to be exported is larger than your ram. 
   
   The test case now also mocks rows returned by `.fetchmany() `, according to the return type of `.fetchmany()` (https://peps.python.org/pep-0249/#fetchmany)


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Re: [PR] Adjusted _dump_table_to_file to read rows in batches to prevent memor… [airflow]

["potiuk (via GitHub)" <gi...@apache.org>]

potiuk merged PR #51268:
URL: https://github.com/apache/airflow/pull/51268


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Re: [PR] Adjusted _dump_table_to_file to read rows in batches to prevent memor… [airflow]

["potiuk (via GitHub)" <gi...@apache.org>]

potiuk commented on PR #51268:
URL: https://github.com/apache/airflow/pull/51268#issuecomment-2926915390

   Nice!


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