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fix(ingest/druid) Handling gracefully if no table returned in a schema (#8203)

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Tamas Nemeth 2023-06-15 15:10:21 +02:00 committed by GitHub
parent 6ce0a248fd
commit a3ceee46d0
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1 changed files with 16 additions and 1 deletions
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17
metadata-ingestion/src/datahub/ingestion/source/sql/druid.py
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@ -1,6 +1,8 @@
# This import verifies that the dependencies are available.
import pydruid # noqa: F401
from pydantic.fields import Field
from pydruid.db.sqlalchemy import DruidDialect
from sqlalchemy.exc import ResourceClosedError
from datahub.configuration.common import AllowDenyPattern
from datahub.ingestion.api.decorators import (
@ -14,12 +16,25 @@ from datahub.ingestion.api.decorators import (
from datahub.ingestion.source.sql.sql_common import SQLAlchemySource
from datahub.ingestion.source.sql.sql_config import BasicSQLAlchemyConfig
get_table_names_source = DruidDialect.get_table_names
def get_table_names(self, connection, schema=None, **kwargs):
try:
return get_table_names_source(self, connection, schema=schema, **kwargs)
# Druid throws ResourceClosedError when there is no table in the schema
except ResourceClosedError:
return []
DruidDialect.get_table_names = get_table_names
class DruidConfig(BasicSQLAlchemyConfig):
# defaults
scheme = "druid"
schema_pattern: AllowDenyPattern = Field(
default=AllowDenyPattern(deny=["^(lookup|sys).*"]),
default=AllowDenyPattern(deny=["^(lookup|sysgit|view).*"]),
description="regex patterns for schemas to filter in ingestion.",
)