Fix incorrect assertion on number of array dimensions.

This has been wrong ever since the support for multi-dimensional
arrays as PL/python function arguments and return values was
introduced in commit 94aceed317.

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
index 7c844c2b8a10c5d17b1f40171eb07d38c664b70e..9e4e9035f78317f49f106e60d7b6f22dbe736ce8 100644 (file)
--- a/src/pl/plpython/plpy_typeio.c
+++ b/src/pl/plpython/plpy_typeio.c
@@ -679,7 +679,7 @@ 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