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-rw-r--r--contrib/seg/sql/seg.sql4
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/seg/sql/seg.sql b/contrib/seg/sql/seg.sql
index 91d771db181..61ad519613e 100644
--- a/contrib/seg/sql/seg.sql
+++ b/contrib/seg/sql/seg.sql
@@ -223,3 +223,7 @@ SELECT count(*) FROM test_seg WHERE s @> '11..11.3';
-- Test sorting
SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;
+
+-- Test functions
+SELECT seg_lower(s), seg_center(s), seg_upper(s)
+FROM test_seg WHERE s @> '11.2..11.3' OR s IS NULL ORDER BY s;