eladkal commented on code in PR #35090:
URL: https://github.com/apache/airflow/pull/35090#discussion_r1367768793
##########
airflow/providers/amazon/aws/operators/athena.py:
##########
@@ -163,3 +167,132 @@ def on_kill(self) -> None:
"Polling Athena for query with id %s to reach final
state", self.query_execution_id
)
self.hook.poll_query_status(self.query_execution_id,
sleep_time=self.sleep_time)
+
+ def get_openlineage_facets_on_start(self):
+ from openlineage.client.facet import ExtractionError,
ExtractionErrorRunFacet, SqlJobFacet
+ from openlineage.client.run import Dataset
+
+ from airflow.providers.openlineage.extractors.base import
OperatorLineage
+ from airflow.providers.openlineage.sqlparser import SQLParser
+
+ sql_parser = SQLParser(dialect="generic")
+
+ job_facets: dict[str, BaseFacet] = {"sql":
SqlJobFacet(query=sql_parser.normalize_sql(self.query))}
+ parse_result = sql_parser.parse(sql=self.query)
+
+ if not parse_result:
+ return OperatorLineage(job_facets=job_facets)
+
+ run_facets: dict[str, BaseFacet] = {}
+ if parse_result.errors:
+ run_facets["extractionError"] = ExtractionErrorRunFacet(
+ totalTasks=len(self.query) if isinstance(self.query, list)
else 1,
+ failedTasks=len(parse_result.errors),
+ errors=[
+ ExtractionError(
+ errorMessage=error.message,
+ stackTrace=None,
+ task=error.origin_statement,
+ taskNumber=error.index,
+ )
+ for error in parse_result.errors
+ ],
+ )
+
+ inputs: list[Dataset] = list(
+ filter(
+ None,
+ [
+ self.get_openlineage_dataset(table.schema or
self.database, table.name)
+ for table in parse_result.in_tables
+ ],
+ )
+ )
+
+ # Athena can output query result to a new table with CTAS query.
+ # cf. https://docs.aws.amazon.com/athena/latest/ug/ctas.html
+ outputs: list[Dataset] = list(
+ filter(
+ None,
+ [
+ self.get_openlineage_dataset(table.schema or
self.database, table.name)
+ for table in parse_result.out_tables
+ ],
+ )
+ )
+
+ # In addition to CTAS query, it's also possible to specify output
location on S3
+ # with a mandatory parameter, OutputLocation in ResultConfiguration.
+ # cf.
https://docs.aws.amazon.com/athena/latest/APIReference/API_ResultConfiguration.html#athena-Type-ResultConfiguration-OutputLocation
# noqa: E501
+ #
+ # Depending on the query type and the external_location property in
the CTAS query,
+ # its behavior changes as follows:
+ #
+ # * Normal SELECT statement
+ # -> The result is put into output_location as files rather than a
table.
+ #
+ # * CTAS statement without external_location (`CREATE TABLE ... AS
SELECT ...`)
+ # -> The result is put into output_location as a table,
+ # that is, both metadata files and data files are in there.
+ #
+ # * CTAS statement with external_location
+ # (`CREATE TABLE ... WITH (external_location='s3://bucket/key') AS
SELECT ...`)
+ # -> The result is output as a table, but metadata and data files are
+ # separated into output_location and external_location
respectively.
+ #
+ # For the last case, output_location may be unnecessary as OL's output
information,
+ # but we keep it as of now since it may be useful for some purpose.
+ output_location = self.output_location
+ parsed = urlparse(output_location)
+ outputs.append(Dataset(namespace=f"{parsed.scheme}://{parsed.netloc}",
name=parsed.path))
+
+ return OperatorLineage(job_facets=job_facets, run_facets=run_facets,
inputs=inputs, outputs=outputs)
+
+ def get_openlineage_dataset(self, database, table) -> Dataset | None:
+ from openlineage.client.facet import (
+ SchemaDatasetFacet,
+ SchemaField,
+ SymlinksDatasetFacet,
+ SymlinksDatasetFacetIdentifiers,
+ )
+ from openlineage.client.run import Dataset
+
+ # Currently, AthenaOperator and AthenaHook don't have a functionality
to specify catalog,
+ # and it seems to implicitly assume that the default catalog
(AwsDataCatalog) is target.
+ CATALOG_NAME = "AwsDataCatalog"
Review Comment:
I raised https://github.com/apache/airflow/pull/35103 to add `catalog`
parameter
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