Fix incorrect assertion on number of array dimensions.

hlinnaka · hlinnaka · commit 3ae6ed9187bc · 2020-10-01T11:50:44.000+03:00
This has been wrong ever since the support for multi-dimensional arrays as PL/python function arguments and return values was introduced in commit 94aceed. Backpatch-through: 10 Discussion: https://www.postgresql.org/message-id/61647b8e-961c-0362-d5d3-c8a18f4a7ec6%40iki.fi
diff --git a/src/pl/plpython/plpy_typeio.c b/src/pl/plpython/plpy_typeio.c
@@ -643,7 +643,7 @@ PLyList_FromArray(PLyDatumToOb *arg, Datum d)
 	/* Array dimensions and left bounds */
 	ndim = ARR_NDIM(array);
 	dims = ARR_DIMS(array);
-	Assert(ndim < MAXDIM);
+	Assert(ndim <= MAXDIM);
 
 	/*
 	 * We iterate the SQL array in the physical order it's stored in the
