datahub-postgres-lineage 0.1.2

Extract table lineage from Postgres views

Datahub Postgres View Lineage

A ingestion source to generate lineage for views in a Postgres database.

Quick Start

First install Poetry and task and initialize the project

task setup

Now, start a database

task start wait sample-view

Now run the ingestion to the console

task run

When it is successful, the output should include

Source (datahub_postgres_lineage.ingestion.PostgresLineageSource) report:
{'events_produced': '1',
 'events_produced_per_sec': '26',
 'event_ids': ['urn:li:dataset:(urn:li:dataPlatform:postgres,cool_db.public.emails,PROD)-upstreamLineage'],
 'warnings': {},
 'failures': {},
 'filtered': ['public.names'],
 'start_time': '2022-12-20 16:09:46.105046 (now).',
 'running_time': '0.04 seconds'}

Configuration

Key	Description	Default
username	The username to connect to the database	''
password	The password to connect to the database	''
host_port	The host and port to connect to the database	''
database	The database to connect to	''
database_alias	Alias to apply to database when ingesting.	''
sqlalchemy_uri	SQLAlchemy URI to connect to the database	''
scheme	The SQLAlchemy scheme to use	postgressql+psycopg2
schema_pattern
schema_pattern.allow	Regexp pattern to match schemas to include	.*
schema_pattern.deny	Regexp pattern to match schemas to exclude, 'information_schema' and 'pg_catalog' are already excluded	''
view_pattern
view_pattern.allow	Regexp pattern to match view names to include	.*
view_pattern.deny	Regexp pattern to match view names to exclude	''