When working with large datasets, it's common to extract PostgreSQL tables to CSV files for further analysis and sharing. However, naively exportin...
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\COPY my_table TO 'filename' CSV HEADERhey could you also elaborate on how can we control the chunk size being processed here?
There is no built-in method to control the chunk size. The COPY protocol itself focuses on efficient bulk data transfer. If you DO want to control you can change the config on the PostgreSQL server OR iterate through your data in loops.