perf(sqlalchemy-bigquery): restrict do_execute retries strictly to rate limits and backend transient errors

Author: ohmayr

packages/sqlalchemy-bigquery/sqlalchemy_bigquery/base.py

@@ -37,9 +37,10 @@ def _is_transient_bigquery_error(exc):
     err_msg = str(exc).lower()
     retry_errors = (
         "exceeded rate limits",
-        "already exists",
-        "not found",
-        "cannot execute dml over a non-existent table",
+        "job exceeded rate limits",
+        "quota exceeded",
+        "backend error",
+        "service unavailable",
     )
     return any(msg in err_msg for msg in retry_errors)