diff options
Diffstat (limited to 'doc/src/sgml/json.sgml')
| -rw-r--r-- | doc/src/sgml/json.sgml | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/doc/src/sgml/json.sgml b/doc/src/sgml/json.sgml index b4b390b23eb..47146b4c221 100644 --- a/doc/src/sgml/json.sgml +++ b/doc/src/sgml/json.sgml @@ -267,30 +267,30 @@ SELECT '{"reading": 1.230e-5}'::json, '{"reading": 1.230e-5}'::jsonb; </para> <programlisting> -- Simple scalar/primitive values contain only the identical value: -SELECT '"foo"'::jsonb @> '"foo"'::jsonb; +SELECT '"foo"'::jsonb @> '"foo"'::jsonb; -- The array on the right side is contained within the one on the left: -SELECT '[1, 2, 3]'::jsonb @> '[1, 3]'::jsonb; +SELECT '[1, 2, 3]'::jsonb @> '[1, 3]'::jsonb; -- Order of array elements is not significant, so this is also true: -SELECT '[1, 2, 3]'::jsonb @> '[3, 1]'::jsonb; +SELECT '[1, 2, 3]'::jsonb @> '[3, 1]'::jsonb; -- Duplicate array elements don't matter either: -SELECT '[1, 2, 3]'::jsonb @> '[1, 2, 2]'::jsonb; +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: -SELECT '[1, 2, [1, 3]]'::jsonb @> '[1, 3]'::jsonb; -- yields false +SELECT '[1, 2, [1, 3]]'::jsonb @> '[1, 3]'::jsonb; -- yields false -- But with a layer of nesting, it is contained: -SELECT '[1, 2, [1, 3]]'::jsonb @> '[[1, 3]]'::jsonb; +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 +SELECT '{"foo": {"bar": "baz"}}'::jsonb @> '{"bar": "baz"}'::jsonb; -- yields false </programlisting> <para> @@ -309,10 +309,10 @@ SELECT '{"foo": {"bar": "baz"}}'::jsonb @> '{"bar": "baz"}'::jsonb; -- yields f </para> <programlisting> -- This array contains the primitive string value: -SELECT '["foo", "bar"]'::jsonb @> '"bar"'::jsonb; +SELECT '["foo", "bar"]'::jsonb @> '"bar"'::jsonb; -- This exception is not reciprocal -- non-containment is reported here: -SELECT '"bar"'::jsonb @> '["bar"]'::jsonb; -- yields false +SELECT '"bar"'::jsonb @> '["bar"]'::jsonb; -- yields false </programlisting> <para> |