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-rw-r--r--src/test/regress/sql/json.sql2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/test/regress/sql/json.sql b/src/test/regress/sql/json.sql
index ec57dfe7070..50b4ed67435 100644
--- a/src/test/regress/sql/json.sql
+++ b/src/test/regress/sql/json.sql
@@ -748,6 +748,8 @@ select json_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}');
select json_object('{a,b,"","d e f"}','{1,2,3,"a b c"}');
+-- json_object_agg_unique requires unique keys
+select json_object_agg_unique(mod(i,100), i) from generate_series(0, 199) i;
-- json_to_record and json_to_recordset