PL/pgSQL RETURN NEXT was leaking converted tuples, causing

out of memory when looping through large numbers of rows.
Flag the converted tuples to be freed. Complaint and patch
by Joe.

diff --git a/src/pl/plpgsql/src/pl_exec.c b/src/pl/plpgsql/src/pl_exec.c
index 32f57a325675bca3711804a5520960066e97d49a..a6ee82a951d69f89f37baba10e257f5e8d89f3c6 100644 (file)
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -2221,6 +2221,7 @@ exec_stmt_return_next(PLpgSQL_execstate *estate,
                                        {
                                                tuple = do_convert_tuple(tuple, tupmap);
                                                free_conversion_map(tupmap);
+                                               free_tuple = true;
                                        }
                                }
                                break;