diff options
| -rw-r--r-- | doc/src/sgml/json.sgml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/src/sgml/json.sgml b/doc/src/sgml/json.sgml index 47146b4c221..118fb35e254 100644 --- a/doc/src/sgml/json.sgml +++ b/doc/src/sgml/json.sgml @@ -280,7 +280,7 @@ SELECT '[1, 2, 3]'::jsonb @> '[1, 2, 2]'::jsonb; -- The object with a single pair on the right side is contained -- within the object on the left side: -SELECT '{"product": "PostgreSQL", "version": 9.4, "jsonb":true}'::jsonb @> '{"version":9.4}'::jsonb; +SELECT '{"product": "PostgreSQL", "version": 9.4, "jsonb": true}'::jsonb @> '{"version": 9.4}'::jsonb; -- The array on the right side is <emphasis>not</> considered contained within the -- array on the left, even though a similar array is nested within it: @@ -291,6 +291,9 @@ SELECT '[1, 2, [1, 3]]'::jsonb @> '[[1, 3]]'::jsonb; -- Similarly, containment is not reported here: SELECT '{"foo": {"bar": "baz"}}'::jsonb @> '{"bar": "baz"}'::jsonb; -- yields false + +-- A top-level key and an empty object is contained: +SELECT '{"foo": {"bar": "baz"}}'::jsonb @> '{"foo": {}}'::jsonb; </programlisting> <para> |