我有一个数百万条记录SQL表,我计划使用py箭头库将它写入文件夹中的许多拼板文件。数据内容似乎太大,无法存储在一个单一的拼花文件。file_scheme="hive"下面是我的示例代码:import pandas as pdimport pyarrow.parquet as pq
conn_str = 'UID=username;PWD=password
Unable to find a usable engine; tried using: 'pyarrow', 'fastparquet'.A suitable version of pyarrow or fastparquet is required for parquet support.- Missing optional dependency 'fastparquet'. fastparquet is required for parquet suppor
import fastparquet File "<stdin>", line 1, in <module>File "/home/username/anaconda3/lib/python3.6/site-packages/fastparquet/__init__.py", line 15, in <modulefrom