make output of 'select' test suite stable by adding ORDER BY

In XL the order of rows may change depending on timing of responses
from remote nodes, unless the query has an explicit ORDER BY (on
PostgreSQL the regression tests often rely on reading the data from
disk in a single process).

diff --git a/src/test/regress/expected/select.out b/src/test/regress/expected/select.out
index 0eb8a2798cb4e8245e5642c3ca22b9ce85aed79a..d679fb3fe42f73719b78486878efb964c9bf450f 100644 (file)
--- a/src/test/regress/expected/select.out
+++ b/src/test/regress/expected/select.out
@@ -955,7 +955,7 @@ select * from (values (2),(null),(1)) v(k) where k = k order by k;
  2
 (2 rows)
 
-select * from (values (2),(null),(1)) v(k) where k = k;
+select * from (values (2),(null),(1)) v(k) where k = k order by k desc;
  k 
 ---
  2