parquet reader reads in X records into memory but this more than likely is not aligned with the uin16 input N. need to buffer these columns in memory and read from this in memory buffer until we reach n. this has implications for upper level operators because they assume they will only recieve N rows
parquet reader reads in X records into memory but this more than likely is not aligned with the uin16 input N. need to buffer these columns in memory and read from this in memory buffer until we reach n. this has implications for upper level operators because they assume they will only recieve N rows