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More regression test cases for json/jsonb extraction operators.

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Cover some cases I omitted before, such as null and empty-string
elements in the path array.  This exposes another inconsistency:
json_extract_path complains about empty path elements but
jsonb_extract_path does not.
This commit is contained in:
Tom Lane
2014-08-20 19:05:05 -04:00
parent 9bac66020d
commit fa069822f5
6 changed files with 292 additions and 12 deletions
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20
src/test/regress/sql/json.sql
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@ -244,12 +244,24 @@ select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> null::text;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> null::int;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> 1;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> 'z';
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> '';
select '[{"b": "c"}, {"b": "cc"}]'::json -> 1;
select '[{"b": "c"}, {"b": "cc"}]'::json -> 3;
select '[{"b": "c"}, {"b": "cc"}]'::json -> 'z';
select '"foo"'::json -> 1;
select '"foo"'::json -> 'z';
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> null::text;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> null::int;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> 1;
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> 'z';
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> '';
select '[{"b": "c"}, {"b": "cc"}]'::json ->> 1;
select '[{"b": "c"}, {"b": "cc"}]'::json ->> 3;
select '[{"b": "c"}, {"b": "cc"}]'::json ->> 'z';
select '"foo"'::json ->> 1;
select '"foo"'::json ->> 'z';
-- array length
SELECT json_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
@ -299,8 +311,10 @@ select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','0'];
select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','1'];
-- corner cases for same
select '{"a": {"b":{"c": "foo"}}}'::json #> array[]::text[];
select '{"a": {"b":{"c": "foo"}}}'::json #> '{}';
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a'];
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', null];
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', ''];
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b'];
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c'];
select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c','d'];
@ -313,8 +327,10 @@ select '"foo"'::json #> array['z'];
select '42'::json #> array['f2'];
select '42'::json #> array['0'];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array[]::text[];
select '{"a": {"b":{"c": "foo"}}}'::json #>> '{}';
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a'];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', null];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', ''];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b'];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c'];
select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c','d'];