pgdevel / src / test / regress / expected / json.out

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-- Strings.
SELECT '""'::json;				-- OK.
 json 
------
 ""
(1 row)

SELECT $$''$$::json;			-- ERROR, single quotes are not allowed
ERROR:  invalid input syntax for type json
LINE 1: SELECT $$''$$::json;
               ^
DETAIL:  Token "'" is invalid.
CONTEXT:  JSON data, line 1: '...
SELECT '"abc"'::json;			-- OK
 json  
-------
 "abc"
(1 row)

SELECT '"abc'::json;			-- ERROR, quotes not closed
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"abc'::json;
               ^
DETAIL:  Token ""abc" is invalid.
CONTEXT:  JSON data, line 1: "abc
SELECT '"abc
def"'::json;					-- ERROR, unescaped newline in string constant
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"abc
               ^
DETAIL:  Character with value 0x0a must be escaped.
CONTEXT:  JSON data, line 1: "abc
SELECT '"\n\"\\"'::json;		-- OK, legal escapes
   json   
----------
 "\n\"\\"
(1 row)

SELECT '"\v"'::json;			-- ERROR, not a valid JSON escape
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"\v"'::json;
               ^
DETAIL:  Escape sequence "\v" is invalid.
CONTEXT:  JSON data, line 1: "\v...
SELECT '"\u"'::json;			-- ERROR, incomplete escape
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"\u"'::json;
               ^
DETAIL:  "\u" must be followed by four hexadecimal digits.
CONTEXT:  JSON data, line 1: "\u"
SELECT '"\u00"'::json;			-- ERROR, incomplete escape
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"\u00"'::json;
               ^
DETAIL:  "\u" must be followed by four hexadecimal digits.
CONTEXT:  JSON data, line 1: "\u00"
SELECT '"\u000g"'::json;		-- ERROR, g is not a hex digit
ERROR:  invalid input syntax for type json
LINE 1: SELECT '"\u000g"'::json;
               ^
DETAIL:  "\u" must be followed by four hexadecimal digits.
CONTEXT:  JSON data, line 1: "\u000g...
SELECT '"\u0000"'::json;		-- OK, legal escape
   json   
----------
 "\u0000"
(1 row)

SELECT '"\uaBcD"'::json;		-- OK, uppercase and lower case both OK
   json   
----------
 "\uaBcD"
(1 row)

-- Numbers.
SELECT '1'::json;				-- OK
 json 
------
 1
(1 row)

SELECT '0'::json;				-- OK
 json 
------
 0
(1 row)

SELECT '01'::json;				-- ERROR, not valid according to JSON spec
ERROR:  invalid input syntax for type json
LINE 1: SELECT '01'::json;
               ^
DETAIL:  Token "01" is invalid.
CONTEXT:  JSON data, line 1: 01
SELECT '0.1'::json;				-- OK
 json 
------
 0.1
(1 row)

SELECT '9223372036854775808'::json;	-- OK, even though it's too large for int8
        json         
---------------------
 9223372036854775808
(1 row)

SELECT '1e100'::json;			-- OK
 json  
-------
 1e100
(1 row)

SELECT '1.3e100'::json;			-- OK
  json   
---------
 1.3e100
(1 row)

SELECT '1f2'::json;				-- ERROR
ERROR:  invalid input syntax for type json
LINE 1: SELECT '1f2'::json;
               ^
DETAIL:  Token "1f2" is invalid.
CONTEXT:  JSON data, line 1: 1f2
SELECT '0.x1'::json;			-- ERROR
ERROR:  invalid input syntax for type json
LINE 1: SELECT '0.x1'::json;
               ^
DETAIL:  Token "0.x1" is invalid.
CONTEXT:  JSON data, line 1: 0.x1
SELECT '1.3ex100'::json;		-- ERROR
ERROR:  invalid input syntax for type json
LINE 1: SELECT '1.3ex100'::json;
               ^
DETAIL:  Token "1.3ex100" is invalid.
CONTEXT:  JSON data, line 1: 1.3ex100
-- Arrays.
SELECT '[]'::json;				-- OK
 json 
------
 []
(1 row)

SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::json;  -- OK
                                                                                                   json                                                                                                   
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
(1 row)

SELECT '[1,2]'::json;			-- OK
 json  
-------
 [1,2]
(1 row)

SELECT '[1,2,]'::json;			-- ERROR, trailing comma
ERROR:  invalid input syntax for type json
LINE 1: SELECT '[1,2,]'::json;
               ^
DETAIL:  Expected JSON value, but found "]".
CONTEXT:  JSON data, line 1: [1,2,]
SELECT '[1,2'::json;			-- ERROR, no closing bracket
ERROR:  invalid input syntax for type json
LINE 1: SELECT '[1,2'::json;
               ^
DETAIL:  The input string ended unexpectedly.
CONTEXT:  JSON data, line 1: [1,2
SELECT '[1,[2]'::json;			-- ERROR, no closing bracket
ERROR:  invalid input syntax for type json
LINE 1: SELECT '[1,[2]'::json;
               ^
DETAIL:  The input string ended unexpectedly.
CONTEXT:  JSON data, line 1: [1,[2]
-- Objects.
SELECT '{}'::json;				-- OK
 json 
------
 {}
(1 row)

SELECT '{"abc"}'::json;			-- ERROR, no value
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc"}'::json;
               ^
DETAIL:  Expected ":", but found "}".
CONTEXT:  JSON data, line 1: {"abc"}
SELECT '{"abc":1}'::json;		-- OK
   json    
-----------
 {"abc":1}
(1 row)

SELECT '{1:"abc"}'::json;		-- ERROR, keys must be strings
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{1:"abc"}'::json;
               ^
DETAIL:  Expected string or "}", but found "1".
CONTEXT:  JSON data, line 1: {1...
SELECT '{"abc",1}'::json;		-- ERROR, wrong separator
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc",1}'::json;
               ^
DETAIL:  Expected ":", but found ",".
CONTEXT:  JSON data, line 1: {"abc",...
SELECT '{"abc"=1}'::json;		-- ERROR, totally wrong separator
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc"=1}'::json;
               ^
DETAIL:  Token "=" is invalid.
CONTEXT:  JSON data, line 1: {"abc"=...
SELECT '{"abc"::1}'::json;		-- ERROR, another wrong separator
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc"::1}'::json;
               ^
DETAIL:  Expected JSON value, but found ":".
CONTEXT:  JSON data, line 1: {"abc"::...
SELECT '{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::json; -- OK
                          json                           
---------------------------------------------------------
 {"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}
(1 row)

SELECT '{"abc":1:2}'::json;		-- ERROR, colon in wrong spot
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc":1:2}'::json;
               ^
DETAIL:  Expected "," or "}", but found ":".
CONTEXT:  JSON data, line 1: {"abc":1:...
SELECT '{"abc":1,3}'::json;		-- ERROR, no value
ERROR:  invalid input syntax for type json
LINE 1: SELECT '{"abc":1,3}'::json;
               ^
DETAIL:  Expected string, but found "3".
CONTEXT:  JSON data, line 1: {"abc":1,3...
-- Miscellaneous stuff.
SELECT 'true'::json;			-- OK
 json 
------
 true
(1 row)

SELECT 'false'::json;			-- OK
 json  
-------
 false
(1 row)

SELECT 'null'::json;			-- OK
 json 
------
 null
(1 row)

SELECT ' true '::json;			-- OK, even with extra whitespace
  json  
--------
  true 
(1 row)

SELECT 'true false'::json;		-- ERROR, too many values
ERROR:  invalid input syntax for type json
LINE 1: SELECT 'true false'::json;
               ^
DETAIL:  Expected end of input, but found "false".
CONTEXT:  JSON data, line 1: true false
SELECT 'true, false'::json;		-- ERROR, too many values
ERROR:  invalid input syntax for type json
LINE 1: SELECT 'true, false'::json;
               ^
DETAIL:  Expected end of input, but found ",".
CONTEXT:  JSON data, line 1: true,...
SELECT 'truf'::json;			-- ERROR, not a keyword
ERROR:  invalid input syntax for type json
LINE 1: SELECT 'truf'::json;
               ^
DETAIL:  Token "truf" is invalid.
CONTEXT:  JSON data, line 1: truf
SELECT 'trues'::json;			-- ERROR, not a keyword
ERROR:  invalid input syntax for type json
LINE 1: SELECT 'trues'::json;
               ^
DETAIL:  Token "trues" is invalid.
CONTEXT:  JSON data, line 1: trues
SELECT ''::json;				-- ERROR, no value
ERROR:  invalid input syntax for type json
LINE 1: SELECT ''::json;
               ^
DETAIL:  The input string ended unexpectedly.
CONTEXT:  JSON data, line 1: 
SELECT '    '::json;			-- ERROR, no value
ERROR:  invalid input syntax for type json
LINE 1: SELECT '    '::json;
               ^
DETAIL:  The input string ended unexpectedly.
CONTEXT:  JSON data, line 1:     
--constructors
-- array_to_json
SELECT array_to_json(array(select 1 as a));
 array_to_json 
---------------
 [1]
(1 row)

SELECT array_to_json(array_agg(q),false) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
                array_to_json                
---------------------------------------------
 [{"b":1,"c":2},{"b":2,"c":4},{"b":3,"c":6}]
(1 row)

SELECT array_to_json(array_agg(q),true) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
  array_to_json  
-----------------
 [{"b":1,"c":2},+
  {"b":2,"c":4},+
  {"b":3,"c":6}]
(1 row)

SELECT array_to_json(array_agg(q),false)
  FROM ( SELECT $$a$$ || x AS b, y AS c,
               ARRAY[ROW(x.*,ARRAY[1,2,3]),
               ROW(y.*,ARRAY[4,5,6])] AS z
         FROM generate_series(1,2) x,
              generate_series(4,5) y) q;
                                                                                                                                 array_to_json                                                                                                                                 
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 [{"b":"a1","c":4,"z":[{"f1":1,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]},{"b":"a1","c":5,"z":[{"f1":1,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]},{"b":"a2","c":4,"z":[{"f1":2,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]},{"b":"a2","c":5,"z":[{"f1":2,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}]
(1 row)

SELECT array_to_json(array_agg(x),false) from generate_series(5,10) x;
 array_to_json  
----------------
 [5,6,7,8,9,10]
(1 row)

SELECT array_to_json('{{1,5},{99,100}}'::int[]);
  array_to_json   
------------------
 [[1,5],[99,100]]
(1 row)

-- row_to_json
SELECT row_to_json(row(1,'foo'));
     row_to_json     
---------------------
 {"f1":1,"f2":"foo"}
(1 row)

SELECT row_to_json(q)
FROM (SELECT $$a$$ || x AS b,
         y AS c,
         ARRAY[ROW(x.*,ARRAY[1,2,3]),
               ROW(y.*,ARRAY[4,5,6])] AS z
      FROM generate_series(1,2) x,
           generate_series(4,5) y) q;
                            row_to_json                             
--------------------------------------------------------------------
 {"b":"a1","c":4,"z":[{"f1":1,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]}
 {"b":"a1","c":5,"z":[{"f1":1,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}
 {"b":"a2","c":4,"z":[{"f1":2,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]}
 {"b":"a2","c":5,"z":[{"f1":2,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}
(4 rows)

SELECT row_to_json(q,true)
FROM (SELECT $$a$$ || x AS b,
         y AS c,
         ARRAY[ROW(x.*,ARRAY[1,2,3]),
               ROW(y.*,ARRAY[4,5,6])] AS z
      FROM generate_series(1,2) x,
           generate_series(4,5) y) q;
                     row_to_json                     
-----------------------------------------------------
 {"b":"a1",                                         +
  "c":4,                                            +
  "z":[{"f1":1,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]}
 {"b":"a1",                                         +
  "c":5,                                            +
  "z":[{"f1":1,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}
 {"b":"a2",                                         +
  "c":4,                                            +
  "z":[{"f1":2,"f2":[1,2,3]},{"f1":4,"f2":[4,5,6]}]}
 {"b":"a2",                                         +
  "c":5,                                            +
  "z":[{"f1":2,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}
(4 rows)

CREATE TEMP TABLE rows AS
SELECT x, 'txt' || x as y
FROM generate_series(1,3) AS x;
SELECT row_to_json(q,true)
FROM rows q;
 row_to_json  
--------------
 {"x":1,     +
  "y":"txt1"}
 {"x":2,     +
  "y":"txt2"}
 {"x":3,     +
  "y":"txt3"}
(3 rows)

SELECT row_to_json(row((select array_agg(x) as d from generate_series(5,10) x)),false);
      row_to_json      
-----------------------
 {"f1":[5,6,7,8,9,10]}
(1 row)

-- non-numeric output
SELECT row_to_json(q)
FROM (SELECT 'NaN'::float8 AS "float8field") q;
      row_to_json      
-----------------------
 {"float8field":"NaN"}
(1 row)

SELECT row_to_json(q)
FROM (SELECT 'Infinity'::float8 AS "float8field") q;
        row_to_json         
----------------------------
 {"float8field":"Infinity"}
(1 row)

SELECT row_to_json(q)
FROM (SELECT '-Infinity'::float8 AS "float8field") q;
         row_to_json         
-----------------------------
 {"float8field":"-Infinity"}
(1 row)

-- json input
SELECT row_to_json(q)
FROM (SELECT '{"a":1,"b": [2,3,4,"d","e","f"],"c":{"p":1,"q":2}}'::json AS "jsonfield") q;
                           row_to_json                            
------------------------------------------------------------------
 {"jsonfield":{"a":1,"b": [2,3,4,"d","e","f"],"c":{"p":1,"q":2}}}
(1 row)

-- json extraction functions
CREATE TEMP TABLE test_json (
       json_type text,
       test_json json
);
INSERT INTO test_json VALUES
('scalar','"a scalar"'),
('array','["zero", "one","two","three","four","five"]'),
('object','{"field1":"val1","field2":"val2"}');
SELECT json_get(test_json,'x') 
FROM test_json
WHERE json_type = 'scalar';
ERROR:  cannot call json_get on a scalar
SELECT json_get(test_json,'x') 
FROM test_json
WHERE json_type = 'array';
ERROR:  cannot call json_get(fieldname) on a non-object
SELECT json_get(test_json,'x') 
FROM test_json
WHERE json_type = 'object';
 json_get 
----------
 
(1 row)

SELECT json_get(test_json,'field2') 
FROM test_json
WHERE json_type = 'object';
 json_get 
----------
 "val2"
(1 row)

SELECT test_json->'field2'
FROM test_json
WHERE json_type = 'object';
 ?column? 
----------
 "val2"
(1 row)

SELECT test_json->>'field2' 
FROM test_json
WHERE json_type = 'object';
 ?column? 
----------
 val2
(1 row)

SELECT json_get(test_json,2) 
FROM test_json
WHERE json_type = 'scalar';
ERROR:  cannot call json_get on a scalar
SELECT json_get(test_json,2) 
FROM test_json
WHERE json_type = 'array';
 json_get 
----------
 "two"
(1 row)

SELECT json_get(test_json,2)
FROM test_json
WHERE json_type = 'object';
ERROR:  cannot call json_get(int) on a non-array
SELECT json_get(test_json,2) 
FROM test_json
WHERE json_type = 'array';
 json_get 
----------
 "two"
(1 row)

SELECT test_json->2 
FROM test_json
WHERE json_type = 'array';
 ?column? 
----------
 "two"
(1 row)

SELECT test_json->>2
FROM test_json
WHERE json_type = 'array';
 ?column? 
----------
 two
(1 row)

SELECT json_object_keys(test_json)
FROM test_json
WHERE json_type = 'scalar';
ERROR:  cannot call json_object_keys on a scalar
SELECT json_object_keys(test_json)
FROM test_json
WHERE json_type = 'array';
ERROR:  cannot call json_object_keys on an array
SELECT json_object_keys(test_json)
FROM test_json
WHERE json_type = 'object';
 json_object_keys 
------------------
 field1
 field2
(2 rows)

-- array length
SELECT json_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
 json_array_length 
-------------------
                 5
(1 row)

SELECT json_array_length('[]');
 json_array_length 
-------------------
                 0
(1 row)

SELECT json_array_length('{"f1":1,"f2":[5,6]}');
ERROR:  cannot call json_array_length on an object
SELECT json_array_length('4');
ERROR:  cannot call json_array_length on a scalar
-- each
select json_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
     json_each     
-------------------
 (f1,"[1,2,3]")
 (f2,"{""f3"":1}")
 (f4,null)
(3 rows)

select * from json_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
 key |   value   
-----+-----------
 f1  | [1,2,3]
 f2  | {"f3":1}
 f4  | null
 f5  | 99
 f6  | "stringy"
(5 rows)

select json_each_as_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
 json_each_as_text 
-------------------
 (f1,"[1,2,3]")
 (f2,"{""f3"":1}")
 (f4,null)
(3 rows)

select * from json_each_as_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
 key |  value   
-----+----------
 f1  | [1,2,3]
 f2  | {"f3":1}
 f4  | null
 f5  | 99
 f6  | stringy
(5 rows)

-- get_path, get_path_as_text
select json_get_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
 json_get_path 
---------------
 "stringy"
(1 row)

select json_get_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
 json_get_path 
---------------
 {"f3":1}
(1 row)

select json_get_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
 json_get_path 
---------------
 "f3"
(1 row)

select json_get_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
 json_get_path 
---------------
 1
(1 row)

select json_get_path_as_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
 json_get_path_as_text 
-----------------------
 stringy
(1 row)

select json_get_path_as_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
 json_get_path_as_text 
-----------------------
 {"f3":1}
(1 row)

select json_get_path_as_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
 json_get_path_as_text 
-----------------------
 f3
(1 row)

select json_get_path_as_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
 json_get_path_as_text 
-----------------------
 1
(1 row)

--unnest
select json_unnest('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
      json_unnest      
-----------------------
 1
 true
 [1,[2,3]]
 null
 {"f1":1,"f2":[7,8,9]}
 false
(6 rows)

select * from json_unnest('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
         value         
-----------------------
 1
 true
 [1,[2,3]]
 null
 {"f1":1,"f2":[7,8,9]}
 false
(6 rows)

-- populate_record
create type jpop as (a text, b int, c timestamp);
select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q;
   a    | b | c 
--------+---+---
 blurfl |   | 
(1 row)

select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q;
   a    | b |            c             
--------+---+--------------------------
 blurfl | 3 | Mon Dec 31 15:30:56 2012
(1 row)

select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}', true) q;
   a    | b | c 
--------+---+---
 blurfl |   | 
(1 row)

select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}', true) q;
   a    | b |            c             
--------+---+--------------------------
 blurfl | 3 | Mon Dec 31 15:30:56 2012
(1 row)

select * from json_populate_record(null::jpop,'{"a":[100,200,false],"x":43.2}', true) q;
        a        | b | c 
-----------------+---+---
 [100,200,false] |   | 
(1 row)

select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":[100,200,false],"x":43.2}', true) q;
        a        | b |            c             
-----------------+---+--------------------------
 [100,200,false] | 3 | Mon Dec 31 15:30:56 2012
(1 row)

select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"c":[100,200,false],"x":43.2}', true) q;
ERROR:  invalid input syntax for type timestamp: "[100,200,false]"
-- populate_recordset
select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
   a    | b |            c             
--------+---+--------------------------
 blurfl |   | 
        | 3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
   a    | b  |            c             
--------+----+--------------------------
 blurfl | 99 | 
 def    |  3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
   a    | b |            c             
--------+---+--------------------------
 blurfl |   | 
        | 3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
   a    | b  |            c             
--------+----+--------------------------
 blurfl | 99 | 
 def    |  3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
       a       | b  |            c             
---------------+----+--------------------------
 [100,200,300] | 99 | 
 {"z":true}    |  3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
ERROR:  invalid input syntax for type timestamp: "[100,200,300]"
-- using the default use_json_as_text argument
select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
   a    | b |            c             
--------+---+--------------------------
 blurfl |   | 
        | 3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
   a    | b  |            c             
--------+----+--------------------------
 blurfl | 99 | 
 def    |  3 | Fri Jan 20 10:42:53 2012
(2 rows)

select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
ERROR:  cannot call populate_recordset on a nested object
select * from json_populate_recordset(row('def',99,null)::jpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
ERROR:  cannot call populate_recordset on a nested object
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