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fix(snowflake): get external tables when there is default namespace (#4803)

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This commit is contained in:
Aseem Bansal 2022-05-03 15:35:04 +05:30 committed by GitHub
parent 8a24408cbf
commit 6828dc3d4c
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2 changed files with 31 additions and 11 deletions
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37
metadata-ingestion/src/datahub/ingestion/source/sql/snowflake.py
View File

@ -93,11 +93,32 @@ class SnowflakeSource(SQLAlchemySource):
**self.config.options,
)
def inspect_version(self) -> Any:
def inspect_session_metadata(self) -> Any:
db_engine = self.get_metadata_engine()
logger.info("Checking current version")
for db_row in db_engine.execute("select CURRENT_VERSION()"):
self.report.saas_version = db_row[0]
try:
logger.info("Checking current version")
for db_row in db_engine.execute("select CURRENT_VERSION()"):
self.report.saas_version = db_row[0]
except Exception as e:
self.report.report_failure("version", f"Error: {e}")
try:
logger.info("Checking current warehouse")
for db_row in db_engine.execute("select current_warehouse()"):
self.report.default_warehouse = db_row[0]
except Exception as e:
self.report.report_failure("current_warehouse", f"Error: {e}")
try:
logger.info("Checking current database")
for db_row in db_engine.execute("select current_database()"):
self.report.default_db = db_row[0]
except Exception as e:
self.report.report_failure("current_database", f"Error: {e}")
try:
logger.info("Checking current schema")
for db_row in db_engine.execute("select current_schema()"):
self.report.default_schema = db_row[0]
except Exception as e:
self.report.report_failure("current_schema", f"Error: {e}")
def inspect_role_grants(self) -> Any:
db_engine = self.get_metadata_engine()
@ -345,7 +366,7 @@ WHERE
)
# Handles the case for explicitly created external tables.
# NOTE: Snowflake does not log this information to the access_history table.
external_tables_query: str = "show external tables"
external_tables_query: str = "show external tables in account"
try:
for db_row in engine.execute(external_tables_query):
key = (
@ -635,11 +656,7 @@ QUALIFY ROW_NUMBER() OVER (PARTITION BY downstream_table_name, upstream_table_na
if not self.should_run_ingestion():
return
try:
self.inspect_version()
except Exception as e:
self.report.report_failure("version", f"Error: {e}")
return
self.inspect_session_metadata()
self.inspect_role_grants()
for wu in super().get_workunits():

5
metadata-ingestion/src/datahub/ingestion/source_report/sql/snowflake.py
View File

@ -29,7 +29,10 @@ class SnowflakeReport(BaseSnowflakeReport, SQLSourceReport):
provision_role_success: bool = False
# https://community.snowflake.com/s/topic/0TO0Z000000Unu5WAC/releases
saas_version: str = ""
saas_version: Optional[str] = None
default_warehouse: Optional[str] = None
default_db: Optional[str] = None
default_schema: Optional[str] = None
role: str = ""
check_role_grants: Optional[bool] = None
role_grants: List[str] = field(default_factory=list)