fix(ingest/snowflake): Skip sql parsing if all the features disable in config where it is needed

metadata-ingestion/src/datahub/ingestion/source/snowflake/snowflake_queries.py

@@ -297,15 +297,31 @@ def get_workunits_internal(
         if use_cached_audit_log:
             logger.info(f"Using cached audit log at {audit_log_file}")
         else:
-            logger.info(f"Fetching audit log into {audit_log_file}")
+            # Check if any query-based features are enabled before fetching
+            needs_query_data = any(
+                [
+                    self.config.include_lineage,
+                    self.config.include_queries,
+                    self.config.include_usage_statistics,
+                    self.config.include_query_usage_statistics,
+                    self.config.include_operations,
+                ]
+            )
+
+            if not needs_query_data:
+                logger.info(
+                    "All query-based features are disabled. Skipping expensive query log fetch."
+                )
+            else:
+                logger.info(f"Fetching audit log into {audit_log_file}")
 
-            with self.report.copy_history_fetch_timer:
-                for copy_entry in self.fetch_copy_history():
-                    queries.append(copy_entry)
+                with self.report.copy_history_fetch_timer:
+                    for copy_entry in self.fetch_copy_history():
+                        queries.append(copy_entry)
 
-            with self.report.query_log_fetch_timer:
-                for entry in self.fetch_query_log(users):
-                    queries.append(entry)
+                with self.report.query_log_fetch_timer:
+                    for entry in self.fetch_query_log(users):
+                        queries.append(entry)
 
         stored_proc_tracker: StoredProcLineageTracker = self._exit_stack.enter_context(
             StoredProcLineageTracker(

metadata-ingestion/tests/unit/snowflake/test_snowflake_queries.py

@@ -1,13 +1,24 @@
 import datetime
+from unittest.mock import Mock, patch
 
 import pytest
 import sqlglot
 from sqlglot.dialects.snowflake import Snowflake
 
 from datahub.configuration.common import AllowDenyPattern
-from datahub.configuration.time_window_config import BucketDuration
-from datahub.ingestion.source.snowflake.snowflake_config import QueryDedupStrategyType
-from datahub.ingestion.source.snowflake.snowflake_queries import QueryLogQueryBuilder
+from datahub.configuration.time_window_config import (
+    BaseTimeWindowConfig,
+    BucketDuration,
+)
+from datahub.ingestion.source.snowflake.snowflake_config import (
+    QueryDedupStrategyType,
+    SnowflakeIdentifierConfig,
+)
+from datahub.ingestion.source.snowflake.snowflake_queries import (
+    QueryLogQueryBuilder,
+    SnowflakeQueriesExtractor,
+    SnowflakeQueriesExtractorConfig,
+)
 from datahub.ingestion.source.snowflake.snowflake_query import SnowflakeQuery
 
 
@@ -389,3 +400,202 @@ def test_get_views_for_schema_query_syntax(self):
         assert where_clause is not None
         where_str = str(where_clause).upper()
         assert "TABLE_SCHEMA" in where_str and "PUBLIC" in where_str
+
+
+class TestSnowflakeQueriesExtractorOptimization:
+    """Tests for the query fetch optimization when all features are disabled."""
+
+    def _create_mock_extractor(
+        self,
+        include_lineage: bool = False,
+        include_queries: bool = False,
+        include_usage_statistics: bool = False,
+        include_query_usage_statistics: bool = False,
+        include_operations: bool = False,
+    ) -> SnowflakeQueriesExtractor:
+        """Helper to create a SnowflakeQueriesExtractor with mocked dependencies."""
+        mock_connection = Mock()
+        mock_connection.query.return_value = []
+
+        config = SnowflakeQueriesExtractorConfig(
+            window=BaseTimeWindowConfig(
+                start_time=datetime.datetime(2021, 1, 1, tzinfo=datetime.timezone.utc),
+                end_time=datetime.datetime(2021, 1, 2, tzinfo=datetime.timezone.utc),
+            ),
+            include_lineage=include_lineage,
+            include_queries=include_queries,
+            include_usage_statistics=include_usage_statistics,
+            include_query_usage_statistics=include_query_usage_statistics,
+            include_operations=include_operations,
+        )
+
+        mock_report = Mock()
+        mock_filters = Mock()
+        mock_identifiers = Mock()
+        mock_identifiers.platform = "snowflake"
+        mock_identifiers.identifier_config = SnowflakeIdentifierConfig()
+
+        extractor = SnowflakeQueriesExtractor(
+            connection=mock_connection,
+            config=config,
+            structured_report=mock_report,
+            filters=mock_filters,
+            identifiers=mock_identifiers,
+        )
+
+        return extractor
+
+    def test_skip_query_fetch_when_all_features_disabled(self):
+        """Test that query fetching is skipped when all query features are disabled."""
+        extractor = self._create_mock_extractor(
+            include_lineage=False,
+            include_queries=False,
+            include_usage_statistics=False,
+            include_query_usage_statistics=False,
+            include_operations=False,
+        )
+
+        # Mock the fetch methods
+        with (
+            patch.object(extractor, "fetch_users", return_value={}) as mock_fetch_users,
+            patch.object(
+                extractor, "fetch_copy_history", return_value=[]
+            ) as mock_fetch_copy_history,
+            patch.object(
+                extractor, "fetch_query_log", return_value=[]
+            ) as mock_fetch_query_log,
+        ):
+            # Execute the method
+            list(extractor.get_workunits_internal())
+
+            # Verify fetch_users was called (always needed for setup)
+            mock_fetch_users.assert_called_once()
+
+            # Verify expensive fetches were NOT called
+            mock_fetch_copy_history.assert_not_called()
+            mock_fetch_query_log.assert_not_called()
+
+    def test_fetch_queries_when_lineage_enabled(self):
+        """Test that query fetching happens when lineage is enabled."""
+        extractor = self._create_mock_extractor(
+            include_lineage=True,
+            include_queries=False,
+            include_usage_statistics=False,
+            include_query_usage_statistics=False,
+            include_operations=False,
+        )
+
+        with (
+            patch.object(extractor, "fetch_users", return_value={}) as mock_fetch_users,
+            patch.object(
+                extractor, "fetch_copy_history", return_value=[]
+            ) as mock_fetch_copy_history,
+            patch.object(
+                extractor, "fetch_query_log", return_value=[]
+            ) as mock_fetch_query_log,
+        ):
+            list(extractor.get_workunits_internal())
+
+            mock_fetch_users.assert_called_once()
+            mock_fetch_copy_history.assert_called_once()
+            mock_fetch_query_log.assert_called_once()
+
+    def test_fetch_queries_when_usage_statistics_enabled(self):
+        """Test that query fetching happens when usage statistics are enabled."""
+        extractor = self._create_mock_extractor(
+            include_lineage=False,
+            include_queries=False,
+            include_usage_statistics=True,
+            include_query_usage_statistics=False,
+            include_operations=False,
+        )
+
+        with (
+            patch.object(extractor, "fetch_users", return_value={}),
+            patch.object(
+                extractor, "fetch_copy_history", return_value=[]
+            ) as mock_fetch_copy_history,
+            patch.object(
+                extractor, "fetch_query_log", return_value=[]
+            ) as mock_fetch_query_log,
+        ):
+            list(extractor.get_workunits_internal())
+
+            mock_fetch_copy_history.assert_called_once()
+            mock_fetch_query_log.assert_called_once()
+
+    def test_fetch_queries_when_operations_enabled(self):
+        """Test that query fetching happens when operations are enabled."""
+        extractor = self._create_mock_extractor(
+            include_lineage=False,
+            include_queries=False,
+            include_usage_statistics=False,
+            include_query_usage_statistics=False,
+            include_operations=True,
+        )
+
+        with (
+            patch.object(extractor, "fetch_users", return_value={}),
+            patch.object(
+                extractor, "fetch_copy_history", return_value=[]
+            ) as mock_fetch_copy_history,
+            patch.object(
+                extractor, "fetch_query_log", return_value=[]
+            ) as mock_fetch_query_log,
+        ):
+            list(extractor.get_workunits_internal())
+
+            mock_fetch_copy_history.assert_called_once()
+            mock_fetch_query_log.assert_called_once()
+
+    def test_fetch_queries_when_any_single_feature_enabled(self):
+        """Test that query fetching happens when any single feature is enabled."""
+        features = [
+            "include_lineage",
+            "include_queries",
+            "include_usage_statistics",
+            "include_query_usage_statistics",
+            "include_operations",
+        ]
+
+        for feature in features:
+            kwargs = {f: False for f in features}
+            kwargs[feature] = True
+
+            extractor = self._create_mock_extractor(**kwargs)
+
+            with (
+                patch.object(extractor, "fetch_users", return_value={}),
+                patch.object(
+                    extractor, "fetch_copy_history", return_value=[]
+                ) as mock_fetch_copy_history,
+                patch.object(
+                    extractor, "fetch_query_log", return_value=[]
+                ) as mock_fetch_query_log,
+            ):
+                list(extractor.get_workunits_internal())
+
+                # Verify fetches were called
+                mock_fetch_copy_history.assert_called_once()
+                mock_fetch_query_log.assert_called_once()
+
+    def test_report_counts_with_disabled_features(self):
+        """Test that report counts are zero when features are disabled."""
+        extractor = self._create_mock_extractor(
+            include_lineage=False,
+            include_queries=False,
+            include_usage_statistics=False,
+            include_query_usage_statistics=False,
+            include_operations=False,
+        )
+
+        with (
+            patch.object(extractor, "fetch_users", return_value={}),
+            patch.object(extractor, "fetch_copy_history", return_value=[]),
+            patch.object(extractor, "fetch_query_log", return_value=[]),
+        ):
+            list(extractor.get_workunits_internal())
+
+            # Verify that num_preparsed_queries is 0
+            assert extractor.report.sql_aggregator is not None
+            assert extractor.report.sql_aggregator.num_preparsed_queries == 0