fix(source-google-ads): Fix schema loader for custom queries (#69837)

Author: tolik0

airbyte-integrations/connectors/source-google-ads/metadata.yaml

@@ -11,7 +11,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 253487c0-2246-43ba-a21f-5116b20a2c50
-  dockerImageTag: 4.1.1
+  dockerImageTag: 4.1.2
   dockerRepository: airbyte/source-google-ads
   documentationUrl: https://docs.airbyte.com/integrations/sources/google-ads
   externalDocumentationUrls:

airbyte-integrations/connectors/source-google-ads/pyproject.toml

@@ -3,7 +3,7 @@ requires = [ "poetry-core>=1.0.0",]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
-version = "4.1.1"
+version = "4.1.2"
 name = "source-google-ads"
 description = "Source implementation for Google Ads."
 authors = [ "Airbyte <[email protected]>",]

airbyte-integrations/connectors/source-google-ads/source_google_ads/components.py

@@ -840,7 +840,10 @@ def _get_list_of_fields(self) -> List[str]:
         """
         query_upper = self.query.upper()
         select_index = query_upper.find("SELECT")
-        from_index = query_upper.find("FROM")
+        match = re.search(r"\bFROM\b", query_upper)
+        if not match:
+            raise ValueError("Could not find a valid FROM clause in query")
+        from_index = match.start()
 
         fields_portion = self.query[select_index + 6 : from_index].strip()
 

docs/integrations/sources/google-ads.md

@@ -335,6 +335,7 @@ Due to a limitation in the Google Ads API which does not allow getting performan
 
 | Version     | Date       | Pull Request                                             | Subject                                                                                                                                                                |
 |:------------|:-----------|:---------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 4.1.2       | 2025-11-24 | [69837](https://github.com/airbytehq/airbyte/pull/69837) | Fix schema loader for custom queries                                                                                                                                   |
 | 4.1.1       | 2025-11-21 | [69802](https://github.com/airbytehq/airbyte/pull/69802) | Fix custom query regex conditions                                                                                                                                      |
 | 4.1.0       | 2025-11-20 | [69776](https://github.com/airbytehq/airbyte/pull/69776) | Promoting release candidate 4.1.0-rc.8 to a main version.                                                                                                              |
 | 4.1.0-rc.8  | 2025-10-29 | [69084](https://github.com/airbytehq/airbyte/pull/69084) | Fix criterion streams                                                                                                                                                  |