^
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)
-
+-- see json_encoding test for input with unicode escapes
-- Numbers.
SELECT '1'::json; -- OK
json
^
DETAIL: Expected string, but found "3".
CONTEXT: JSON data, line 1: {"abc":1,3...
+-- Recursion.
+SET max_stack_depth = '100kB';
+SELECT repeat('[', 10000)::json;
+ERROR: stack depth limit exceeded
+HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
+SELECT repeat('{"a":', 10000)::json;
+ERROR: stack depth limit exceeded
+HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
+RESET max_stack_depth;
-- Miscellaneous stuff.
SELECT 'true'::json; -- OK
json
{"f1":[5,6,7,8,9,10]}
(1 row)
+-- anyarray column
+select to_json(histogram_bounds) histogram_bounds
+from pg_stats
+where attname = 'tmplname' and tablename = 'pg_pltemplate';
+ histogram_bounds
+---------------------------------------------------------------------------------------
+ ["plperl","plperlu","plpgsql","plpython2u","plpython3u","plpythonu","pltcl","pltclu"]
+(1 row)
+
-- to_json, timestamps
select to_json(timestamp '2014-05-28 12:22:35.614298');
to_json
(1 row)
COMMIT;
--- unicode escape - backslash is not escaped
-select to_json(text '\uabcd');
- to_json
-----------
- "\uabcd"
+select to_json(date '2014-05-28');
+ to_json
+--------------
+ "2014-05-28"
(1 row)
--- any other backslash is escaped
-select to_json(text '\abcd');
- to_json
-----------
- "\\abcd"
+select to_json(date 'Infinity');
+ to_json
+------------
+ "infinity"
+(1 row)
+
+select to_json(date '-Infinity');
+ to_json
+-------------
+ "-infinity"
+(1 row)
+
+select to_json(timestamp 'Infinity');
+ to_json
+------------
+ "infinity"
+(1 row)
+
+select to_json(timestamp '-Infinity');
+ to_json
+-------------
+ "-infinity"
+(1 row)
+
+select to_json(timestamptz 'Infinity');
+ to_json
+------------
+ "infinity"
+(1 row)
+
+select to_json(timestamptz '-Infinity');
+ to_json
+-------------
+ "-infinity"
(1 row)
--json_agg
{"b":"a2","c":5,"z":[{"f1":2,"f2":[1,2,3]},{"f1":5,"f2":[4,5,6]}]}]
(1 row)
-SELECT json_agg(q)
+SELECT json_agg(q ORDER BY x, y)
FROM rows q;
json_agg
-----------------------
{"x":3,"y":"txt3"}]
(1 row)
+UPDATE rows SET x = NULL WHERE x = 1;
+SELECT json_agg(q ORDER BY x NULLS FIRST, y)
+ FROM rows q;
+ json_agg
+--------------------------
+ [{"x":null,"y":"txt1"}, +
+ {"x":2,"y":"txt2"}, +
+ {"x":3,"y":"txt3"}]
+(1 row)
+
-- non-numeric output
SELECT row_to_json(q)
FROM (SELECT 'NaN'::float8 AS "float8field") q;
"two"
(1 row)
+SELECT test_json -> -1
+FROM test_json
+WHERE json_type = 'array';
+ ?column?
+----------
+ {"f1":9}
+(1 row)
+
SELECT test_json -> 2
FROM test_json
WHERE json_type = 'object';
(1 row)
+select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> -1;
+ ?column?
+----------
+
+(1 row)
+
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> 'z';
?column?
----------
-- populate_record
create type jpop as (a text, b int, c timestamp);
+CREATE DOMAIN js_int_not_null AS int NOT NULL;
+CREATE DOMAIN js_int_array_1d AS int[] CHECK(array_length(VALUE, 1) = 3);
+CREATE DOMAIN js_int_array_2d AS int[][] CHECK(array_length(VALUE, 2) = 3);
+create type j_unordered_pair as (x int, y int);
+create domain j_ordered_pair as j_unordered_pair check((value).x <= (value).y);
+CREATE TYPE jsrec AS (
+ i int,
+ ia _int4,
+ ia1 int[],
+ ia2 int[][],
+ ia3 int[][][],
+ ia1d js_int_array_1d,
+ ia2d js_int_array_2d,
+ t text,
+ ta text[],
+ c char(10),
+ ca char(10)[],
+ ts timestamp,
+ js json,
+ jsb jsonb,
+ jsa json[],
+ rec jpop,
+ reca jpop[]
+);
+CREATE TYPE jsrec_i_not_null AS (
+ i js_int_not_null
+);
select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q;
a | b | c
--------+---+---
select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"c":[100,200,false],"x":43.2}') q;
ERROR: invalid input syntax for type timestamp: "[100,200,false]"
+select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{}') q;
+ a | b | c
+---+---+--------------------------
+ x | 3 | Mon Dec 31 15:30:56 2012
+(1 row)
+
+SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"x": 43.2}') q;
+ERROR: domain js_int_not_null does not allow null values
+SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": null}') q;
+ERROR: domain js_int_not_null does not allow null values
+SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": 12345}') q;
+ i
+-------
+ 12345
+(1 row)
+
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": null}') q;
+ ia
+----
+
+(1 row)
+
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "ia".
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [1, "2", null, 4]}') q;
+ ia
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1, 2], [3, 4]]}') q;
+ ia
+---------------
+ {{1,2},{3,4}}
+(1 row)
+
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], 2]}') q;
+ERROR: expected json array
+HINT: See the array element [1] of key "ia".
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], [2, 3]]}') q;
+ERROR: malformed json array
+DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
+SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": "{1,2,3}"}') q;
+ ia
+---------
+ {1,2,3}
+(1 row)
+
+SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": null}') q;
+ ia1
+-----
+
+(1 row)
+
+SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "ia1".
+SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [1, "2", null, 4]}') q;
+ ia1
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [[1, 2, 3]]}') q;
+ ia1
+-----------
+ {{1,2,3}}
+(1 row)
+
+SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": null}') q;
+ ia1d
+------
+
+(1 row)
+
+SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "ia1d".
+SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null, 4]}') q;
+ERROR: value for domain js_int_array_1d violates check constraint "js_int_array_1d_check"
+SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null]}') q;
+ ia1d
+------------
+ {1,2,NULL}
+(1 row)
+
+SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [1, "2", null, 4]}') q;
+ ia2
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [null, 4]]}') q;
+ ia2
+------------------
+ {{1,2},{NULL,4}}
+(1 row)
+
+SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[], []]}') q;
+ ia2
+-----
+ {}
+(1 row)
+
+SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [3]]}') q;
+ERROR: malformed json array
+DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
+SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], 3, 4]}') q;
+ERROR: expected json array
+HINT: See the array element [1] of key "ia2".
+SELECT ia2d FROM json_populate_record(NULL::jsrec, '{"ia2d": [[1, "2"], [null, 4]]}') q;
+ERROR: value for domain js_int_array_2d violates check constraint "js_int_array_2d_check"
+SELECT ia2d FROM json_populate_record(NULL::jsrec, '{"ia2d": [[1, "2", 3], [null, 5, 6]]}') q;
+ ia2d
+----------------------
+ {{1,2,3},{NULL,5,6}}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [1, "2", null, 4]}') q;
+ ia3
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [[1, 2], [null, 4]]}') q;
+ ia3
+------------------
+ {{1,2},{NULL,4}}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[], []], [[], []], [[], []] ]}') q;
+ ia3
+-----
+ {}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2]], [[3, 4]] ]}') q;
+ ia3
+-------------------
+ {{{1,2}},{{3,4}}}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8]] ]}') q;
+ ia3
+-------------------------------
+ {{{1,2},{3,4}},{{5,6},{7,8}}}
+(1 row)
+
+SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8], [9, 10]] ]}') q;
+ERROR: malformed json array
+DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
+SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": null}') q;
+ ta
+----
+
+(1 row)
+
+SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "ta".
+SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [1, "2", null, 4]}') q;
+ ta
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q;
+ERROR: expected json array
+HINT: See the array element [1] of key "ta".
+SELECT c FROM json_populate_record(NULL::jsrec, '{"c": null}') q;
+ c
+---
+
+(1 row)
+
+SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaa"}') q;
+ c
+------------
+ aaa
+(1 row)
+
+SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaa"}') q;
+ c
+------------
+ aaaaaaaaaa
+(1 row)
+
+SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaaaaa"}') q;
+ERROR: value too long for type character(10)
+SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": null}') q;
+ ca
+----
+
+(1 row)
+
+SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "ca".
+SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [1, "2", null, 4]}') q;
+ ca
+-----------------------------------------------
+ {"1 ","2 ",NULL,"4 "}
+(1 row)
+
+SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q;
+ERROR: value too long for type character(10)
+SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q;
+ERROR: expected json array
+HINT: See the array element [1] of key "ca".
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": null}') q;
+ js
+----
+
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": true}') q;
+ js
+------
+ true
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": 123.45}') q;
+ js
+--------
+ 123.45
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "123.45"}') q;
+ js
+----------
+ "123.45"
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "abc"}') q;
+ js
+-------
+ "abc"
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": [123, "123", null, {"key": "value"}]}') q;
+ js
+--------------------------------------
+ [123, "123", null, {"key": "value"}]
+(1 row)
+
+SELECT js FROM json_populate_record(NULL::jsrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q;
+ js
+--------------------------------------
+ {"a": "bbb", "b": null, "c": 123.45}
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": null}') q;
+ jsb
+-----
+
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": true}') q;
+ jsb
+------
+ true
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": 123.45}') q;
+ jsb
+--------
+ 123.45
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "123.45"}') q;
+ jsb
+----------
+ "123.45"
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "abc"}') q;
+ jsb
+-------
+ "abc"
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q;
+ jsb
+--------------------------------------
+ [123, "123", null, {"key": "value"}]
+(1 row)
+
+SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q;
+ jsb
+--------------------------------------
+ {"a": "bbb", "b": null, "c": 123.45}
+(1 row)
+
+SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": null}') q;
+ jsa
+-----
+
+(1 row)
+
+SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "jsa".
+SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": [1, "2", null, 4]}') q;
+ jsa
+--------------------
+ {1,"\"2\"",NULL,4}
+(1 row)
+
+SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": ["aaa", null, [1, 2, "3", {}], { "k" : "v" }]}') q;
+ jsa
+----------------------------------------------------------
+ {"\"aaa\"",NULL,"[1, 2, \"3\", {}]","{ \"k\" : \"v\" }"}
+(1 row)
+
+SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": 123}') q;
+ERROR: cannot call populate_composite on a scalar
+SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": [1, 2]}') q;
+ERROR: cannot call populate_composite on an array
+SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}') q;
+ rec
+-----------------------------------
+ (abc,,"Thu Jan 02 00:00:00 2003")
+(1 row)
+
+SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": "(abc,42,01.02.2003)"}') q;
+ rec
+-------------------------------------
+ (abc,42,"Thu Jan 02 00:00:00 2003")
+(1 row)
+
+SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": 123}') q;
+ERROR: expected json array
+HINT: See the value of key "reca".
+SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": [1, 2]}') q;
+ERROR: cannot call populate_composite on a scalar
+SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]}') q;
+ reca
+--------------------------------------------------------
+ {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
+(1 row)
+
+SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": ["(abc,42,01.02.2003)"]}') q;
+ reca
+-------------------------------------------
+ {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"}
+(1 row)
+
+SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": "{\"(abc,42,01.02.2003)\"}"}') q;
+ reca
+-------------------------------------------
+ {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"}
+(1 row)
+
+SELECT rec FROM json_populate_record(
+ row(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
+ row('x',3,'2012-12-31 15:30:56')::jpop,NULL)::jsrec,
+ '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}'
+) q;
+ rec
+------------------------------------
+ (abc,3,"Thu Jan 02 00:00:00 2003")
+(1 row)
+
+-- anonymous record type
+SELECT json_populate_record(null::record, '{"x": 0, "y": 1}');
+ERROR: record type has not been registered
+SELECT json_populate_record(row(1,2), '{"f1": 0, "f2": 1}');
+ json_populate_record
+----------------------
+ (0,1)
+(1 row)
+
+-- composite domain
+SELECT json_populate_record(null::j_ordered_pair, '{"x": 0, "y": 1}');
+ json_populate_record
+----------------------
+ (0,1)
+(1 row)
+
+SELECT json_populate_record(row(1,2)::j_ordered_pair, '{"x": 0}');
+ json_populate_record
+----------------------
+ (0,2)
+(1 row)
+
+SELECT json_populate_record(row(1,2)::j_ordered_pair, '{"x": 1, "y": 0}');
+ERROR: value for domain j_ordered_pair violates check constraint "j_ordered_pair_check"
-- populate_recordset
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
{"z":true} | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
--- handling of unicode surrogate pairs
-select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
- correct_in_utf8
-----------------------------
- "\ud83d\ude04\ud83d\udc36"
+-- anonymous record type
+SELECT json_populate_recordset(null::record, '[{"x": 0, "y": 1}]');
+ERROR: record type has not been registered
+SELECT json_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]');
+ json_populate_recordset
+-------------------------
+ (0,1)
(1 row)
-select json '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
-ERROR: invalid input syntax for type json
-DETAIL: Unicode high surrogate must not follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
---handling of simple unicode escapes
-select json '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
- correct_in_utf8
-----------------------
- the Copyright © sign
+-- composite domain
+SELECT json_populate_recordset(null::j_ordered_pair, '[{"x": 0, "y": 1}]');
+ json_populate_recordset
+-------------------------
+ (0,1)
(1 row)
-select json '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
- correct_everywhere
---------------------
- dollar $ character
-(1 row)
+SELECT json_populate_recordset(row(1,2)::j_ordered_pair, '[{"x": 0}, {"y": 3}]');
+ json_populate_recordset
+-------------------------
+ (0,2)
+ (1,3)
+(2 rows)
-select json '{ "a": "null \u0000 escape" }' ->> 'a' as not_unescaped;
- not_unescaped
---------------------
- null \u0000 escape
-(1 row)
+SELECT json_populate_recordset(row(1,2)::j_ordered_pair, '[{"x": 1, "y": 0}]');
+ERROR: value for domain j_ordered_pair violates check constraint "j_ordered_pair_check"
+-- test type info caching in json_populate_record()
+CREATE TEMP TABLE jspoptest (js json);
+INSERT INTO jspoptest
+SELECT '{
+ "jsa": [1, "2", null, 4],
+ "rec": {"a": "abc", "c": "01.02.2003", "x": 43.2},
+ "reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]
+}'::json
+FROM generate_series(1, 3);
+SELECT (json_populate_record(NULL::jsrec, js)).* FROM jspoptest;
+ i | ia | ia1 | ia2 | ia3 | ia1d | ia2d | t | ta | c | ca | ts | js | jsb | jsa | rec | reca
+---+----+-----+-----+-----+------+------+---+----+---+----+----+----+-----+--------------------+-----------------------------------+--------------------------------------------------------
+ | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
+ | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
+ | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
+(3 rows)
+DROP TYPE jsrec;
+DROP TYPE jsrec_i_not_null;
+DROP DOMAIN js_int_not_null;
+DROP DOMAIN js_int_array_1d;
+DROP DOMAIN js_int_array_2d;
+DROP DOMAIN j_ordered_pair;
+DROP TYPE j_unordered_pair;
--json_typeof() function
select value, json_typeof(value)
from (values (json '123.4'),
["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1,2,3]}]
(1 row)
+SELECT json_build_array('a', NULL); -- ok
+ json_build_array
+------------------
+ ["a", null]
+(1 row)
+
+SELECT json_build_array(VARIADIC NULL::text[]); -- ok
+ json_build_array
+------------------
+
+(1 row)
+
+SELECT json_build_array(VARIADIC '{}'::text[]); -- ok
+ json_build_array
+------------------
+ []
+(1 row)
+
+SELECT json_build_array(VARIADIC '{a,b,c}'::text[]); -- ok
+ json_build_array
+------------------
+ ["a", "b", "c"]
+(1 row)
+
+SELECT json_build_array(VARIADIC ARRAY['a', NULL]::text[]); -- ok
+ json_build_array
+------------------
+ ["a", null]
+(1 row)
+
+SELECT json_build_array(VARIADIC '{1,2,3,4}'::text[]); -- ok
+ json_build_array
+----------------------
+ ["1", "2", "3", "4"]
+(1 row)
+
+SELECT json_build_array(VARIADIC '{1,2,3,4}'::int[]); -- ok
+ json_build_array
+------------------
+ [1, 2, 3, 4]
+(1 row)
+
+SELECT json_build_array(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok
+ json_build_array
+--------------------
+ [1, 4, 2, 5, 3, 6]
+(1 row)
+
SELECT json_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
json_build_object
----------------------------------------------------------------------------
{"a" : {"b" : false, "c" : 99}, "d" : {"e" : [9,8,7], "f" : {"relkind":"r","name":"pg_class"}}}
(1 row)
+SELECT json_build_object('{a,b,c}'::text[]); -- error
+ERROR: argument list must have even number of elements
+HINT: The arguments of json_build_object() must consist of alternating keys and values.
+SELECT json_build_object('{a,b,c}'::text[], '{d,e,f}'::text[]); -- error, key cannot be array
+ERROR: key value must be scalar, not array, composite, or json
+SELECT json_build_object('a', 'b', 'c'); -- error
+ERROR: argument list must have even number of elements
+HINT: The arguments of json_build_object() must consist of alternating keys and values.
+SELECT json_build_object(NULL, 'a'); -- error, key cannot be NULL
+ERROR: argument 1 cannot be null
+HINT: Object keys should be text.
+SELECT json_build_object('a', NULL); -- ok
+ json_build_object
+-------------------
+ {"a" : null}
+(1 row)
+
+SELECT json_build_object(VARIADIC NULL::text[]); -- ok
+ json_build_object
+-------------------
+
+(1 row)
+
+SELECT json_build_object(VARIADIC '{}'::text[]); -- ok
+ json_build_object
+-------------------
+ {}
+(1 row)
+
+SELECT json_build_object(VARIADIC '{a,b,c}'::text[]); -- error
+ERROR: argument list must have even number of elements
+HINT: The arguments of json_build_object() must consist of alternating keys and values.
+SELECT json_build_object(VARIADIC ARRAY['a', NULL]::text[]); -- ok
+ json_build_object
+-------------------
+ {"a" : null}
+(1 row)
+
+SELECT json_build_object(VARIADIC ARRAY[NULL, 'a']::text[]); -- error, key cannot be NULL
+ERROR: argument 1 cannot be null
+HINT: Object keys should be text.
+SELECT json_build_object(VARIADIC '{1,2,3,4}'::text[]); -- ok
+ json_build_object
+------------------------
+ {"1" : "2", "3" : "4"}
+(1 row)
+
+SELECT json_build_object(VARIADIC '{1,2,3,4}'::int[]); -- ok
+ json_build_object
+--------------------
+ {"1" : 2, "3" : 4}
+(1 row)
+
+SELECT json_build_object(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok
+ json_build_object
+-----------------------------
+ {"1" : 4, "2" : 5, "3" : 6}
+(1 row)
+
-- empty objects/arrays
SELECT json_build_array();
json_build_array
{"turbines" : { "847001" : {"name" : "t15", "type" : "GE1043"}, "847002" : {"name" : "t16", "type" : "GE1043"}, "847003" : {"name" : "sub-alpha", "type" : "GESS90"} }}
(1 row)
+SELECT json_object_agg(name, type) FROM foo;
+ json_object_agg
+----------------------------------------------------------------
+ { "t15" : "GE1043", "t16" : "GE1043", "sub-alpha" : "GESS90" }
+(1 row)
+
+INSERT INTO foo VALUES (999999, NULL, 'bar');
+SELECT json_object_agg(name, type) FROM foo;
+ERROR: field name must not be null
-- json_object
+-- empty object, one dimension
+SELECT json_object('{}');
+ json_object
+-------------
+ {}
+(1 row)
+
+-- empty object, two dimensions
+SELECT json_object('{}', '{}');
+ json_object
+-------------
+ {}
+(1 row)
+
-- one dimension
SELECT json_object('{a,1,b,2,3,NULL,"d e f","a b c"}');
json_object
2 | {"d":"bar"} | f
(2 rows)
+select *, c is null as c_is_null
+from json_to_record('{"a":1, "b":{"c":16, "d":2}, "x":8, "ca": ["1 2", 3], "ia": [[1,2],[3,4]], "r": {"a": "aaa", "b": 123}}'::json)
+ as t(a int, b json, c text, x int, ca char(5)[], ia int[][], r jpop);
+ a | b | c | x | ca | ia | r | c_is_null
+---+-----------------+---+---+-------------------+---------------+------------+-----------
+ 1 | {"c":16, "d":2} | | 8 | {"1 2 ","3 "} | {{1,2},{3,4}} | (aaa,123,) | t
+(1 row)
+
+select *, c is null as c_is_null
+from json_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::json)
+ as t(a int, b json, c text, x int);
+ a | b | c | x | c_is_null
+---+-----------------+---+---+-----------
+ 1 | {"c":16, "d":2} | | 8 | t
+(1 row)
+
+select * from json_to_record('{"ia": null}') as x(ia _int4);
+ ia
+----
+
+(1 row)
+
+select * from json_to_record('{"ia": 123}') as x(ia _int4);
+ERROR: expected json array
+HINT: See the value of key "ia".
+select * from json_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4);
+ ia
+--------------
+ {1,2,NULL,4}
+(1 row)
+
+select * from json_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4);
+ ia
+---------------
+ {{1,2},{3,4}}
+(1 row)
+
+select * from json_to_record('{"ia": [[1], 2]}') as x(ia _int4);
+ERROR: expected json array
+HINT: See the array element [1] of key "ia".
+select * from json_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4);
+ERROR: malformed json array
+DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
+select * from json_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]);
+ ia2
+---------
+ {1,2,3}
+(1 row)
+
+select * from json_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]);
+ ia2
+---------------
+ {{1,2},{3,4}}
+(1 row)
+
+select * from json_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]);
+ ia2
+-----------------
+ {{{1},{2},{3}}}
+(1 row)
+
+-- json_strip_nulls
+select json_strip_nulls(null);
+ json_strip_nulls
+------------------
+
+(1 row)
+
+select json_strip_nulls('1');
+ json_strip_nulls
+------------------
+ 1
+(1 row)
+
+select json_strip_nulls('"a string"');
+ json_strip_nulls
+------------------
+ "a string"
+(1 row)
+
+select json_strip_nulls('null');
+ json_strip_nulls
+------------------
+ null
+(1 row)
+
+select json_strip_nulls('[1,2,null,3,4]');
+ json_strip_nulls
+------------------
+ [1,2,null,3,4]
+(1 row)
+
+select json_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}');
+ json_strip_nulls
+------------------------------------
+ {"a":1,"c":[2,null,3],"d":{"e":4}}
+(1 row)
+
+select json_strip_nulls('[1,{"a":1,"b":null,"c":2},3]');
+ json_strip_nulls
+---------------------
+ [1,{"a":1,"c":2},3]
+(1 row)
+
+-- an empty object is not null and should not be stripped
+select json_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }');
+ json_strip_nulls
+------------------
+ {"a":{},"d":{}}
+(1 row)
+
+-- json to tsvector
+select to_tsvector('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::json);
+ to_tsvector
+---------------------------------------------------------------------------
+ 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11
+(1 row)
+
+-- json to tsvector with config
+select to_tsvector('simple', '{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::json);
+ to_tsvector
+---------------------------------------------------------------------------
+ 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11
+(1 row)
+
+-- json to tsvector with stop words
+select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": ["the eee fff ggg"], "c": {"d": "hhh. iii"}}'::json);
+ to_tsvector
+----------------------------------------------------------------------------
+ 'aaa':1 'bbb':3 'ccc':5 'ddd':4 'eee':8 'fff':9 'ggg':10 'hhh':12 'iii':13
+(1 row)
+
+-- ts_vector corner cases
+select to_tsvector('""'::json);
+ to_tsvector
+-------------
+
+(1 row)
+
+select to_tsvector('{}'::json);
+ to_tsvector
+-------------
+
+(1 row)
+
+select to_tsvector('[]'::json);
+ to_tsvector
+-------------
+
+(1 row)
+
+select to_tsvector('null'::json);
+ to_tsvector
+-------------
+
+(1 row)
+
+-- ts_headline for json
+select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'));
+ ts_headline
+---------------------------------------------------------------------------------------------------------
+ {"a":"aaa <b>bbb</b>","b":{"c":"ccc <b>ddd</b> fff","c1":"ccc1 ddd1"},"d":["ggg <b>hhh</b>","iii jjj"]}
+(1 row)
+
+select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'));
+ ts_headline
+----------------------------------------------------------------------------------------
+ {"a":"aaa <b>bbb</b>","b":{"c":"ccc <b>ddd</b> fff"},"d":["ggg <b>hhh</b>","iii jjj"]}
+(1 row)
+
+select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >');
+ ts_headline
+------------------------------------------------------------------------------------------
+ {"a":"aaa <bbb>","b":{"c":"ccc <ddd> fff","c1":"ccc1 ddd1"},"d":["ggg <hhh>","iii jjj"]}
+(1 row)
+
+select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >');
+ ts_headline
+------------------------------------------------------------------------------------------
+ {"a":"aaa <bbb>","b":{"c":"ccc <ddd> fff","c1":"ccc1 ddd1"},"d":["ggg <hhh>","iii jjj"]}
+(1 row)
+
+-- corner cases for ts_headline with json
+select ts_headline('null'::json, tsquery('aaa & bbb'));
+ ts_headline
+-------------
+ null
+(1 row)
+
+select ts_headline('{}'::json, tsquery('aaa & bbb'));
+ ts_headline
+-------------
+ {}
+(1 row)
+
+select ts_headline('[]'::json, tsquery('aaa & bbb'));
+ ts_headline
+-------------
+ []
+(1 row)
+
projects / postgresql / blobdiff