implement parquet rows to read data from clickhouse in parquet format #9
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Thanks for your contribution! @agoncear-mwb |
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With this PR, now the user of the driver can specify wich underlying format type to use for retrieving data from clickhouse.
This can be usefull when you want to control the amount of memory allocated by the driver, since reading with parquet has significantly less memory overhead compared to arrow, even for small batches.