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MINOR: Fix unity catalog lineage - handle errors (#19791)

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* MINOR: Fix unity catalog lineage - hanle errors

* lint
This commit is contained in:
Mayur Singal 2025-02-14 10:45:31 +05:30 committed by GitHub
parent 584816fc33
commit c8e24e5f3b
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1 changed files with 52 additions and 31 deletions
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83
ingestion/src/metadata/ingestion/source/database/unitycatalog/lineage.py
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@ -11,6 +11,7 @@
""" """
Databricks Unity Catalog Lineage Source Module Databricks Unity Catalog Lineage Source Module
""" """
import traceback
from typing import Iterable, Optional from typing import Iterable, Optional
from metadata.generated.schema.api.lineage.addLineage import AddLineageRequest from metadata.generated.schema.api.lineage.addLineage import AddLineageRequest
@ -117,6 +118,54 @@ class UnitycatalogLineageSource(Source):
) )
return None return None
def _handle_upstream_table(
self,
table_streams: LineageTableStreams,
table: Table,
databricks_table_fqn: str,
) -> Iterable[Either[AddLineageRequest]]:
for upstream_table in table_streams.upstream_tables:
try:
if not upstream_table.name:
continue
from_entity_fqn = fqn.build(
metadata=self.metadata,
entity_type=Table,
database_name=upstream_table.catalog_name,
schema_name=upstream_table.schema_name,
table_name=upstream_table.name,
service_name=self.config.serviceName,
)
from_entity = self.metadata.get_by_name(
entity=Table, fqn=from_entity_fqn
)
if from_entity:
lineage_details = self._get_lineage_details(
from_table=from_entity,
to_table=table,
databricks_table_fqn=databricks_table_fqn,
)
yield Either(
left=None,
right=AddLineageRequest(
edge=EntitiesEdge(
toEntity=EntityReference(id=table.id, type="table"),
fromEntity=EntityReference(
id=from_entity.id, type="table"
),
lineageDetails=lineage_details,
)
),
)
except Exception:
logger.debug(
"Error while processing lineage for "
f"{upstream_table.catalog_name}.{upstream_table.schema_name}.{upstream_table.name}"
f" -> {databricks_table_fqn}"
)
logger.debug(traceback.format_exc())
def _iter(self, *_, **__) -> Iterable[Either[AddLineageRequest]]: def _iter(self, *_, **__) -> Iterable[Either[AddLineageRequest]]:
""" """
Based on the query logs, prepare the lineage Based on the query logs, prepare the lineage
@ -133,37 +182,9 @@ class UnitycatalogLineageSource(Source):
table_streams: LineageTableStreams = self.client.get_table_lineage( table_streams: LineageTableStreams = self.client.get_table_lineage(
databricks_table_fqn databricks_table_fqn
) )
for upstream_table in table_streams.upstream_tables: yield from self._handle_upstream_table(
from_entity_fqn = fqn.build( table_streams, table, databricks_table_fqn
metadata=self.metadata, )
entity_type=Table,
database_name=upstream_table.catalog_name,
schema_name=upstream_table.schema_name,
table_name=upstream_table.name,
service_name=self.config.serviceName,
)
from_entity = self.metadata.get_by_name(
entity=Table, fqn=from_entity_fqn
)
if from_entity:
lineage_details = self._get_lineage_details(
from_table=from_entity,
to_table=table,
databricks_table_fqn=databricks_table_fqn,
)
yield Either(
left=None,
right=AddLineageRequest(
edge=EntitiesEdge(
toEntity=EntityReference(id=table.id, type="table"),
fromEntity=EntityReference(
id=from_entity.id, type="table"
),
lineageDetails=lineage_details,
)
),
)
def test_connection(self) -> None: def test_connection(self) -> None:
test_connection_fn = get_test_connection_fn(self.service_connection) test_connection_fn = get_test_connection_fn(self.service_connection)