test

Anshu6250 · Anshu6250 · commit 5f1f1fdce1e2 · 2026-06-03T08:23:21.000Z
diff --git a/google/cloud/odbc/bq_driver/internal/odbc_sql_execute_utils.cc b/google/cloud/odbc/bq_driver/internal/odbc_sql_execute_utils.cc
@@ -767,8 +767,28 @@ StatusRecord FetchBQDataRead(StatementHandle& stmt_handle,
     return StatusRecord{SQLStates::k_HY000(), error_message};
   }
 
-  return FetchBQDataReadArrow(
+  StatusRecord read_status = FetchBQDataReadArrow(
       stmt_handle, insert_response->configuration.query.destination_table);
+
+  if (!read_status.ok() && read_status.message.find("errors resolving bigquerystorage.googleapis.com") != std::string::npos) {
+    LOG(INFO) << "FetchBQDataRead:: DNS error detected. Setting GRPC_DNS_RESOLVER to native.";
+#ifdef _WIN32
+    _putenv_s("GRPC_DNS_RESOLVER", "native");
+#else
+    setenv("GRPC_DNS_RESOLVER", "native", 1);
+#endif
+    LOG(INFO) << "FetchBQDataRead:: Environment variable set. Retrying FetchBQDataReadArrow...";
+    
+    read_status = FetchBQDataReadArrow(
+        stmt_handle, insert_response->configuration.query.destination_table);
+        
+    if (read_status.ok()) {
+      LOG(INFO) << "FetchBQDataRead:: Retry successful after setting GRPC_DNS_RESOLVER.";
+    } else {
+      LOG(ERROR) << "FetchBQDataRead:: Retry failed with error: " << read_status.message;
+    }
+  }
+  return read_status;
 }
 
 #endif  // (!defined(_WIN32) || defined(_WIN64)) && !defined(NO_ARROW)
