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-rw-r--r--src/test/regress/sql/spgist.sql9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/regress/sql/spgist.sql b/src/test/regress/sql/spgist.sql
index c72cf42a33c..7644f344a91 100644
--- a/src/test/regress/sql/spgist.sql
+++ b/src/test/regress/sql/spgist.sql
@@ -71,3 +71,12 @@ create index spgist_point_idx2 on spgist_point_tbl using spgist(p) with (fillfac
-- Modify fillfactor in existing index
alter index spgist_point_idx set (fillfactor = 90);
reindex index spgist_point_idx;
+
+-- Test index over a domain
+create domain spgist_text as varchar;
+create table spgist_domain_tbl (f1 spgist_text);
+create index spgist_domain_idx on spgist_domain_tbl using spgist(f1);
+insert into spgist_domain_tbl values('fee'), ('fi'), ('fo'), ('fum');
+explain (costs off)
+select * from spgist_domain_tbl where f1 = 'fo';
+select * from spgist_domain_tbl where f1 = 'fo';