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 7f911b8771009686b91b0e029e4848939a727124..bb9574b1cc72c5c8a195784e1a34d3d0a31a8f8e 100644 (file)
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -2431,6 +2431,7 @@ exec_stmt_return_next(PLpgSQL_execstate *estate,
                                        {
                                                tuple = do_convert_tuple(tuple, tupmap);
                                                free_conversion_map(tupmap);
+                                               free_tuple = true;
                                        }
                                }
                                break;