This plugin allows vdk-core to interface with and execute queries against an Impala database.
Usage
Run
pip install vdk-impala
After this, data jobs will have access to a Impala database connection, managed by Versatile Data Kit SDK.
If it is the only database plugin installed , vdk would automatically use it.
Otherwise, users need to set VDK_DB_DEFAULT_TYPE=IMPALA as an environment variable or set 'db_default_type' option in the data job config file (config.ini).
For example
def run(job_input: IJobInput):
job_input.execute_query("select 'Hi Impala!'")
Configuration
Run vdk config-help - search for those prefixed with "IMPALA_" to see what configuration options are available.
Disclaimer
This plugin is tested against a specific impala version. The version comes from the docker-compose.yaml container's impala version. For more information on the imapala version tested against please google the docker image.
Testing
Testing this plugin locally requires installing the dependencies listed in vdk-plugins/vdk-impala/requirements.txt
Run
pip install -r requirements.txt
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