Allow some exclusion constraints on partitions

Previously we only allowed unique B-tree constraints on partitions
(and only if the constraint included all the partition keys).  But we
could allow exclusion constraints with the same restriction.  We also
require that those columns be compared for equality, not something
like &&.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Ronan Dunklau <ronan.dunklau@aiven.io>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://www.postgresql.org/message-id/flat/ec8b1d9b-502e-d1f8-e909-1bf9dffe6fa5@illuminatedcomputing.com

1 files changed, 1 insertions, 0 deletions

diff --git a/contrib/btree_gist/meson.build b/contrib/btree_gist/meson.build
index 5811026301a..087c5b8d4bf 100644
--- a/contrib/btree_gist/meson.build
+++ b/contrib/btree_gist/meson.build
@@ -88,6 +88,7 @@ tests += {
       'not_equal',
       'enum',
       'bool',
+      'partitions',
     ],
   },
 }