SebAlbert opened a new issue, #1908:
URL: https://github.com/apache/arrow-adbc/issues/1908
### What would you like help with?
When installing (via `pip`) the package `adbc_driver_postgresql`, I get a
runtime error from an import that suggests (and is indeed fixed by) also
installing `pyarrow` via pip:
```
Traceback (most recent call last):
File "/...venv/lib/python3.11/site-packages/adbc_driver_manager/dbapi.py",
line 42, in <module>
import pyarrow
ModuleNotFoundError: No module named 'pyarrow'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "....my_code.py", line 9, in <module>
from adbc_driver_postgresql import dbapi
File
"/...venv/lib/python3.11/site-packages/adbc_driver_postgresql/dbapi.py", line
25, in <module>
import adbc_driver_manager.dbapi
File "/...venv/lib/python3.11/site-packages/adbc_driver_manager/dbapi.py",
line 44, in <module>
raise ImportError("PyArrow is required for the DBAPI-compatible
interface") from e
ImportError: PyArrow is required for the DBAPI-compatible interface
```
Should this not be a declared requirement of the python package in the first
place?
On the other hand, is there a more minimal way than installing `pyarrow`
with 40 MB which in turn ties in `numpy` with another 18 MB? It "feels" quite
heavy.
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