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 a385b9a82a20ef1b6dbb83c35f8df8e286f24d59..95e74b38dc4d9c64c656b877d0d74ac9fa165c37 100644 (file)
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -2472,6 +2472,7 @@ exec_stmt_return_next(PLpgSQL_execstate *estate,
                                        {
                                                tuple = do_convert_tuple(tuple, tupmap);
                                                free_conversion_map(tupmap);
+                                               free_tuple = true;
                                        }
                                }
                                break;