error handling

vertica · Nov 21, 2023 · 454544d · 454544d
1 parent 8d251ad
commit 454544d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/vertica_python/vertica/cursor.py b/vertica_python/vertica/cursor.py
@@ -409,6 +409,10 @@ def nextset(self):
                 # result of a DDL/transaction
                 self.rowcount = -1
                 return True
+            elif isinstance(self._message, messages.CopyInResponse):
+                raise errors.MessageError(
+                    'Unexpected nextset() state after END_OF_RESULT_RESPONSES: {self._message}\n'
+                    'HINT: Do you pass multiple COPY statements into Cursor.copy()?')
             elif isinstance(self._message, messages.ErrorResponse):
                 raise errors.QueryError.from_error_response(self._message, self.operation)
             else: