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fix(ingest): add support for custom postgres types #2524

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May 11, 2021
Merged

fix(ingest): add support for custom postgres types #2524

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14 changes: 13 additions & 1 deletion metadata-ingestion/src/datahub/ingestion/source/postgres.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# This import verifies that the dependencies are available.
import psycopg2 # noqa: F401
import sqlalchemy.dialects.postgresql as custom_types

# GeoAlchemy adds support for PostGIS extensions in SQLAlchemy. In order to
# activate it, we must import it so that it can hook into SQLAlchemy. While
Expand All @@ -8,7 +9,18 @@
# https://geoalchemy-2.readthedocs.io/en/latest/core_tutorial.html#reflecting-tables.
from geoalchemy2 import Geometry # noqa: F401

from .sql_common import BasicSQLAlchemyConfig, SQLAlchemySource
from datahub.metadata.com.linkedin.pegasus2avro.schema import (
ArrayTypeClass,
BytesTypeClass,
MapTypeClass,
)

from .sql_common import BasicSQLAlchemyConfig, SQLAlchemySource, register_custom_type

register_custom_type(custom_types.ARRAY, ArrayTypeClass)
register_custom_type(custom_types.JSON, BytesTypeClass)
register_custom_type(custom_types.JSONB, BytesTypeClass)
register_custom_type(custom_types.HSTORE, MapTypeClass)


class PostgresConfig(BasicSQLAlchemyConfig):
Expand Down