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 2f8468336f8603cd20ee4137bf15f61327b143d9..0e77284d480528a5c1a3bf05b15bee1908dd8953 100644 (file)
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -2243,6 +2243,7 @@ exec_stmt_return_next(PLpgSQL_execstate *estate,
                    {
                        tuple = do_convert_tuple(tuple, tupmap);
                        free_conversion_map(tupmap);
+                       free_tuple = true;
                    }
                }
                break;