Introduction
This package provides a client interface to query Cannerflow a distributed SQL engine. It supports Python 3.6.x, 3.7.x and 3.8.x.
Installation
$ pip install cannerflow-python-client
Quick Start
Client
import cannerflow
# bootstrap cannerflow client with credentials
client = cannerflow.client.bootstrap(
endpoint='https://web.default.myname.apps.cannerflow.com',
workspace_id='444e8753-a4c0-4875-bdc0-834c79061d56',
token='Y2xpZW50XzA0OTgzODM4LWNhZjktNGNmZi1hNDA4LWFkZDY3ZDc5MjIxNjo2N2YyNGY5OWEzYjFiZTEyZTg2MDI2MmMzNGQzZDRiYQ=='
)
# generate simple tpch query
query = client.gen_query('select * from tpch.tiny.region', data_format='list')
query.wait_for_finish()
# get all data with `get_all()` and data will be list of rows
data = query.get_all()
Installing Issue
Show Couldn't find index page for 'xxx' (maybe misspelled?) when installing dependency package fastparquet stage
If you're installing our cannerflow-python-client by pip, and meet these message: Couldn't find index page for 'xxx' (maybe misspelled?),e.g: numpy, pytest-runner followed the error distutils.errors.DistutilsError: Could not find suitable distribution for Requirement.parse('xxxx'),
then please install these package by hand through pip install command, and make sure the dependency package exist on PyPI, like below:
# If you face the issue for numpy
$> pip install numpy==1.19.5 # recommend version for our package
# If you face the issue for pytest-runner
$> pip install pytest-runner==5.3.0 # recommend version for our package
Show RuntimeError: Python version >= 3.7 required. when installing dependency package fastparquet stage in Python 3.6.x
This error may happen on installing dependency package fastparquet stage and occurs when fastparquet install numpy version but it need Python version >= 3.7 required,
You could install numpy 1.19.5 version (recommend) to prevent the issue.
Learn more
Please learn more from
1 maintainer
Metadata
1 maintainer
Release files for cannerflow-python-client 0.36.11
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Release files / cannerflow-python-client-0.36.11.tar.gz
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