Fix bug introduced in recent patch to make plpython cope with OUT arguments:

the proc->argnames array has to be initialized to zero immediately on creation,
since the error recovery path will try to free its elements.

diff --git a/src/pl/plpython/plpython.c b/src/pl/plpython/plpython.c
index 273aec02d741c8b4e827a2f2193d4373fa489891..1565c41372fd66c9ea8303df4511c16dddd475a1 100644 (file)
--- a/src/pl/plpython/plpython.c
+++ b/src/pl/plpython/plpython.c
@@ -1282,7 +1282,7 @@ PLy_procedure_create(HeapTuple procTup, Oid tgreloid, char *key)
                                }
                        }
 
-                       proc->argnames = (char **) PLy_malloc(sizeof(char *) * proc->nargs);
+                       proc->argnames = (char **) PLy_malloc0(sizeof(char *) * proc->nargs);
                        for (i = pos = 0; i < total; i++)
                        {
                                HeapTuple       argTypeTup;