-- Strings. SELECT'""'::json; -- OK. SELECT $$''$$::json; -- ERROR, single quotes are not allowed SELECT'"abc"'::json; -- OK SELECT'"abc'::json; -- ERROR, quotes not closed SELECT'"abc
def"'::json; -- ERROR, unescaped newline in string constant SELECT'"\n\"\\"'::json; -- OK, legal escapes SELECT'"\v"'::json; -- ERROR, not a valid JSON escape
-- Check fast path for longer strings (at least 16 bytes long) SELECT ('"'||repeat('.', 12)||'abc"')::json; -- OK SELECT ('"'||repeat('.', 12)||'abc\n"')::json; -- OK, legal escapes
-- Test various lengths of strings to validate SIMD processing to escape -- special chars in the JSON. SELECT row_to_json(j)::jsonb FROM ( SELECTleft(E'abcdefghijklmnopqrstuv"\twxyz012345678', a) AS a FROM generate_series(0,37) a
) j;
-- see json_encoding test for input with unicode escapes
-- Numbers. SELECT'1'::json; -- OK SELECT'0'::json; -- OK SELECT'01'::json; -- ERROR, not valid according to JSON spec SELECT'0.1'::json; -- OK SELECT'9223372036854775808'::json; -- OK, even though it's too large for int8 SELECT'1e100'::json; -- OK SELECT'1.3e100'::json; -- OK SELECT'1f2'::json; -- ERROR SELECT'0.x1'::json; -- ERROR SELECT'1.3ex100'::json; -- ERROR
-- Arrays. SELECT'[]'::json; -- OK SELECT'[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::json; -- OK SELECT'[1,2]'::json; -- OK SELECT'[1,2,]'::json; -- ERROR, trailing comma SELECT'[1,2'::json; -- ERROR, no closing bracket SELECT'[1,[2]'::json; -- ERROR, no closing bracket
-- Objects. SELECT'{}'::json; -- OK SELECT'{"abc"}'::json; -- ERROR, no value SELECT'{"abc":1}'::json; -- OK SELECT'{1:"abc"}'::json; -- ERROR, keys must be strings SELECT'{"abc",1}'::json; -- ERROR, wrong separator SELECT'{"abc"=1}'::json; -- ERROR, totally wrong separator SELECT'{"abc"::1}'::json; -- ERROR, another wrong separator SELECT'{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::json; -- OK SELECT'{"abc":1:2}'::json; -- ERROR, colon in wrong spot SELECT'{"abc":1,3}'::json; -- ERROR, no value
-- Miscellaneous stuff. SELECT'true'::json; -- OK SELECT'false'::json; -- OK SELECT'null'::json; -- OK SELECT' true '::json; -- OK, even with extra whitespace SELECT'true false'::json; -- ERROR, too many values SELECT'true, false'::json; -- ERROR, too many values SELECT'truf'::json; -- ERROR, not a keyword SELECT'trues'::json; -- ERROR, not a keyword SELECT''::json; -- ERROR, no value SELECT' '::json; -- ERROR, no value
-- Multi-line JSON input to check ERROR reporting SELECT'{ "one": 1, "two":"two", "three": true}'::json; -- OK SELECT'{ "one": 1, "two":,"two", -- ERROR extraneous comma before field "two" "three": true}'::json; SELECT'{ "one": 1, "two":"two", "averyveryveryveryveryveryveryveryveryverylongfieldname":}'::json; -- ERROR missing value for last field
-- test non-error-throwing input select pg_input_is_valid('{"a":true}', 'json'); select pg_input_is_valid('{"a":true', 'json'); select * from pg_input_error_info('{"a":true', 'json');
--constructors -- array_to_json
SELECT array_to_json(array(select1as a)); SELECT array_to_json(array_agg(q),false) from (select x as b, x * 2as c from generate_series(1,3) x) q; SELECT array_to_json(array_agg(q),true) from (select x as b, x * 2as c from generate_series(1,3) x) q; 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; SELECT array_to_json(array_agg(x),false) from generate_series(5,10) x; SELECT array_to_json('{{1,5},{99,100}}'::int[]);
-- row_to_json SELECT row_to_json(row(1,'foo'));
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;
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;
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;
SELECT row_to_json(row((select array_agg(x) as d from generate_series(5,10) x)),false);
-- anyarray column
analyze rows;
select attname, to_json(histogram_bounds) histogram_bounds from pg_stats where tablename = 'rows'and
schemaname = pg_my_temp_schema()::regnamespace::text orderby1;
BEGIN; SET LOCAL TIME ZONE 10.5; select to_json(timestamptz '2014-05-28 12:22:35.614298-04'); SET LOCAL TIME ZONE -8; select to_json(timestamptz '2014-05-28 12:22:35.614298-04'); COMMIT;
SELECT json_agg(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;
SELECT json_agg(q ORDERBY x, y) FROM rows q;
UPDATE rows SET x = NULLWHERE x = 1;
SELECT json_agg(q ORDERBY x NULLS FIRST, y) FROM rows q;
-- non-numeric output SELECT row_to_json(q) FROM (SELECT'NaN'::float8AS"float8field") q;
SELECT row_to_json(q) FROM (SELECT'Infinity'::float8AS"float8field") q;
SELECT row_to_json(q) FROM (SELECT'-Infinity'::float8AS"float8field") q;
-- 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;
SELECT test_json -> 'x' FROM test_json WHERE json_type = 'scalar';
SELECT test_json -> 'x' FROM test_json WHERE json_type = 'array';
SELECT test_json -> 'x' FROM test_json WHERE json_type = 'object';
SELECT test_json->'field2' FROM test_json WHERE json_type = 'object';
SELECT test_json->>'field2' FROM test_json WHERE json_type = 'object';
SELECT test_json -> 2 FROM test_json WHERE json_type = 'scalar';
SELECT test_json -> 2 FROM test_json WHERE json_type = 'array';
SELECT test_json -> -1 FROM test_json WHERE json_type = 'array';
SELECT test_json -> 2 FROM test_json WHERE json_type = 'object';
SELECT test_json->>2 FROM test_json WHERE json_type = 'array';
SELECT test_json ->> 6FROM test_json WHERE json_type = 'array'; SELECT test_json ->> 7FROM test_json WHERE json_type = 'array';
SELECT test_json ->> 'field4'FROM test_json WHERE json_type = 'object'; SELECT test_json ->> 'field5'FROM test_json WHERE json_type = 'object'; SELECT test_json ->> 'field6'FROM test_json WHERE json_type = 'object';
SELECT json_object_keys(test_json) FROM test_json WHERE json_type = 'scalar';
SELECT json_object_keys(test_json) FROM test_json WHERE json_type = 'array';
SELECT json_object_keys(test_json) FROM test_json WHERE json_type = 'object';
-- test extending object_keys resultset - initial resultset size is 256
select count(*) from
(select json_object_keys(json_object(array_agg(g))) from (select unnest(array['f'||n,n::text])as g from generate_series(1,300) as n) x ) y;
-- nulls
select (test_json->'field3') isnullas expect_false from test_json where json_type = 'object';
select (test_json->>'field3') isnullas expect_true from test_json where json_type = 'object';
select (test_json->3) isnullas expect_false from test_json where json_type = 'array';
select (test_json->>3) isnullas expect_true from test_json where json_type = 'array';
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; select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q;
select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q; select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q;
select * from json_populate_record(null::jpop,'{"a":[100,200,false],"x":43.2}') q; select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":[100,200,false],"x":43.2}') q; select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"c":[100,200,false],"x":43.2}') q;
select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{}') q;
SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"x": 43.2}') q; SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": null}') q; SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": 12345}') q;
SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": null}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": 123}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [1, "2", null, 4]}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1, 2], [3, 4]]}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], 2]}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], [2, 3]]}') q; SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": "{1,2,3}"}') q;
SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": null}') q; SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": 123}') q; SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [1, "2", null, 4]}') q; SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [[1, 2, 3]]}') q;
SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": null}') q; SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": 123}') q; SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null, 4]}') q; SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null]}') q;
SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [1, "2", null, 4]}') q; SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [null, 4]]}') q; SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[], []]}') q; SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [3]]}') q; SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], 3, 4]}') q;
SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": null}') q; SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": 123}') q; SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [1, "2", null, 4]}') q; SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q;
SELECT c FROM json_populate_record(NULL::jsrec, '{"c": null}') q; SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaa"}') q; SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaa"}') q; SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaaaaa"}') q;
SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": null}') q; SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": 123}') q; SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [1, "2", null, 4]}') q; SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q; SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q;
SELECT js FROM json_populate_record(NULL::jsrec, '{"js": null}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": true}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": 123.45}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "123.45"}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "abc"}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": [123, "123", null, {"key": "value"}]}') q; SELECT js FROM json_populate_record(NULL::jsrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q;
SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": null}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": true}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": 123.45}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "123.45"}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "abc"}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q; SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q;
select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; 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; select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; 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; 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; 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;
create type jpop2 as (a int, b json, c int, d int); select * from json_populate_recordset(null::jpop2, '[{"a":2,"c":3,"b":{"z":4},"d":6}]') q;
select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; 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; 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;
-- anonymous record type SELECT json_populate_recordset(null::record, '[{"x": 0, "y": 1}]'); SELECT json_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]'); SELECT i, json_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]') FROM (VALUES (1),(2)) v(i); SELECT * FROM
json_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int);
-- empty array is a corner case SELECT json_populate_recordset(null::record, '[]'); SELECT json_populate_recordset(row(1,2), '[]'); SELECT * FROM json_populate_recordset(NULL::jpop,'[]') q; SELECT * FROM
json_populate_recordset(null::record, '[]') AS (x int, y int);
-- negative cases where the wrong record type is supplied select * from json_populate_recordset(row(0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); select * from json_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); select * from json_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); select * from json_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b text);
-- test type info caching in json_populate_record() CREATE TEMP TABLE jspoptest (js json);
SELECT (json_populate_record(NULL::jsrec, js)).* FROM jspoptest;
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;
select * from json_to_record('{"a":1,"b":"foo","c":"bar"}') as x(a int, b text, d text);
select * from json_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]') as x(a int, b text, c boolean);
select * from json_to_recordset('[{"a":1,"b":{"d":"foo"},"c":true},{"a":2,"c":false,"b":{"d":"bar"}}]') as x(a int, b json, c boolean);
select *, c isnullas 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);
select *, c isnullas 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);
select * from json_to_record('{"ia": null}') as x(ia _int4); select * from json_to_record('{"ia": 123}') as x(ia _int4); select * from json_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4); select * from json_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4); select * from json_to_record('{"ia": [[1], 2]}') as x(ia _int4); select * from json_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4);
select * from json_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]); select * from json_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]); select * from json_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]);
select * from json_to_record('{"out": {"key": 1}}') as x(out json); select * from json_to_record('{"out": [{"key": 1}]}') as x(out json); select * from json_to_record('{"out": "{\"key\": 1}"}') as x(out json); select * from json_to_record('{"out": {"key": 1}}') as x(out jsonb); select * from json_to_record('{"out": [{"key": 1}]}') as x(out jsonb); select * from json_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb);
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