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237a882443
The functions remove object fields, including in nested objects, that have null as a value. In certain cases this can lead to considerably smaller datums, with no loss of semantic information. Andrew Dunstan, reviewed by Pavel Stehule.
563 lines
28 KiB
SQL
563 lines
28 KiB
SQL
-- Strings.
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SELECT '""'::jsonb; -- OK.
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SELECT $$''$$::jsonb; -- ERROR, single quotes are not allowed
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SELECT '"abc"'::jsonb; -- OK
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SELECT '"abc'::jsonb; -- ERROR, quotes not closed
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SELECT '"abc
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def"'::jsonb; -- ERROR, unescaped newline in string constant
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SELECT '"\n\"\\"'::jsonb; -- OK, legal escapes
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SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape
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SELECT '"\u"'::jsonb; -- ERROR, incomplete escape
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SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape
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SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit
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SELECT '"\u0000"'::jsonb; -- OK, legal escape
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-- use octet_length here so we don't get an odd unicode char in the
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-- output
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SELECT octet_length('"\uaBcD"'::jsonb::text); -- OK, uppercase and lower case both OK
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-- Numbers.
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SELECT '1'::jsonb; -- OK
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SELECT '0'::jsonb; -- OK
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SELECT '01'::jsonb; -- ERROR, not valid according to JSON spec
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SELECT '0.1'::jsonb; -- OK
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SELECT '9223372036854775808'::jsonb; -- OK, even though it's too large for int8
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SELECT '1e100'::jsonb; -- OK
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SELECT '1.3e100'::jsonb; -- OK
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SELECT '1f2'::jsonb; -- ERROR
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SELECT '0.x1'::jsonb; -- ERROR
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SELECT '1.3ex100'::jsonb; -- ERROR
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-- Arrays.
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SELECT '[]'::jsonb; -- OK
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SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::jsonb; -- OK
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SELECT '[1,2]'::jsonb; -- OK
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SELECT '[1,2,]'::jsonb; -- ERROR, trailing comma
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SELECT '[1,2'::jsonb; -- ERROR, no closing bracket
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SELECT '[1,[2]'::jsonb; -- ERROR, no closing bracket
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-- Objects.
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SELECT '{}'::jsonb; -- OK
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SELECT '{"abc"}'::jsonb; -- ERROR, no value
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SELECT '{"abc":1}'::jsonb; -- OK
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SELECT '{1:"abc"}'::jsonb; -- ERROR, keys must be strings
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SELECT '{"abc",1}'::jsonb; -- ERROR, wrong separator
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SELECT '{"abc"=1}'::jsonb; -- ERROR, totally wrong separator
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SELECT '{"abc"::1}'::jsonb; -- ERROR, another wrong separator
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SELECT '{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::jsonb; -- OK
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SELECT '{"abc":1:2}'::jsonb; -- ERROR, colon in wrong spot
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SELECT '{"abc":1,3}'::jsonb; -- ERROR, no value
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-- Miscellaneous stuff.
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SELECT 'true'::jsonb; -- OK
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SELECT 'false'::jsonb; -- OK
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SELECT 'null'::jsonb; -- OK
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SELECT ' true '::jsonb; -- OK, even with extra whitespace
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SELECT 'true false'::jsonb; -- ERROR, too many values
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SELECT 'true, false'::jsonb; -- ERROR, too many values
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SELECT 'truf'::jsonb; -- ERROR, not a keyword
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SELECT 'trues'::jsonb; -- ERROR, not a keyword
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SELECT ''::jsonb; -- ERROR, no value
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SELECT ' '::jsonb; -- ERROR, no value
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-- make sure jsonb is passed through json generators without being escaped
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SELECT array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']);
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-- jsonb extraction functions
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CREATE TEMP TABLE test_jsonb (
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json_type text,
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test_json jsonb
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);
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INSERT INTO test_jsonb VALUES
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('scalar','"a scalar"'),
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('array','["zero", "one","two",null,"four","five", [1,2,3],{"f1":9}]'),
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('object','{"field1":"val1","field2":"val2","field3":null, "field4": 4, "field5": [1,2,3], "field6": {"f1":9}}');
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'scalar';
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json -> 'field2' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'scalar';
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'scalar';
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json -> 9 FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json ->> 6 FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json ->> 7 FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json ->> 'field4' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json ->> 'field5' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json ->> 'field6' FROM test_jsonb WHERE json_type = 'object';
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'scalar';
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'array';
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SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'object';
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'scalar';
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'array';
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SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object';
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-- nulls
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SELECT (test_json->'field3') IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'object';
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SELECT (test_json->>'field3') IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'object';
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SELECT (test_json->3) IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'array';
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SELECT (test_json->>3) IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'array';
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-- corner cases
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::text;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::int;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 1;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 'z';
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> '';
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 1;
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 3;
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 'z';
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select '{"a": "c", "b": null}'::jsonb -> 'b';
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select '"foo"'::jsonb -> 1;
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select '"foo"'::jsonb -> 'z';
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::text;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::int;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 1;
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 'z';
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select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> '';
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 1;
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 3;
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select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 'z';
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select '{"a": "c", "b": null}'::jsonb ->> 'b';
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select '"foo"'::jsonb ->> 1;
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select '"foo"'::jsonb ->> 'z';
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-- equality and inequality
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SELECT '{"x":"y"}'::jsonb = '{"x":"y"}'::jsonb;
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SELECT '{"x":"y"}'::jsonb = '{"x":"z"}'::jsonb;
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SELECT '{"x":"y"}'::jsonb <> '{"x":"y"}'::jsonb;
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SELECT '{"x":"y"}'::jsonb <> '{"x":"z"}'::jsonb;
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-- containment
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":null}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "g":null}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"g":null}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"c"}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
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SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":"q"}');
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":null}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "g":null}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"g":null}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"c"}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
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SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":"q"}';
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SELECT '[1,2]'::jsonb @> '[1,2,2]'::jsonb;
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SELECT '[1,1,2]'::jsonb @> '[1,2,2]'::jsonb;
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SELECT '[[1,2]]'::jsonb @> '[[1,2,2]]'::jsonb;
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SELECT '[1,2,2]'::jsonb <@ '[1,2]'::jsonb;
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SELECT '[1,2,2]'::jsonb <@ '[1,1,2]'::jsonb;
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SELECT '[[1,2,2]]'::jsonb <@ '[[1,2]]'::jsonb;
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SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"a":"b", "c":null}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"a":"b", "g":null}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"g":null}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"a":"c"}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
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SELECT jsonb_contained('{"a":"b", "c":"q"}', '{"a":"b", "b":1, "c":null}');
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SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"a":"b", "c":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"a":"b", "g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"a":"c"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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SELECT '{"a":"b", "c":"q"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
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-- Raw scalar may contain another raw scalar, array may contain a raw scalar
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SELECT '[5]'::jsonb @> '[5]';
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SELECT '5'::jsonb @> '5';
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SELECT '[5]'::jsonb @> '5';
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-- But a raw scalar cannot contain an array
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SELECT '5'::jsonb @> '[5]';
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-- In general, one thing should always contain itself. Test array containment:
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SELECT '["9", ["7", "3"], 1]'::jsonb @> '["9", ["7", "3"], 1]'::jsonb;
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SELECT '["9", ["7", "3"], ["1"]]'::jsonb @> '["9", ["7", "3"], ["1"]]'::jsonb;
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-- array containment string matching confusion bug
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SELECT '{ "name": "Bob", "tags": [ "enim", "qui"]}'::jsonb @> '{"tags":["qu"]}';
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-- array length
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SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
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SELECT jsonb_array_length('[]');
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SELECT jsonb_array_length('{"f1":1,"f2":[5,6]}');
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SELECT jsonb_array_length('4');
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-- each
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SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
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SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
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SELECT * FROM jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
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SELECT * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
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SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}');
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SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
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SELECT * FROM jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
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SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
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-- exists
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SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a');
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SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b');
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SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c');
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SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a');
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SELECT jsonb '{"a":null, "b":"qq"}' ? 'a';
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SELECT jsonb '{"a":null, "b":"qq"}' ? 'b';
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SELECT jsonb '{"a":null, "b":"qq"}' ? 'c';
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SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a';
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-- array exists - array elements should behave as keys
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SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
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-- type sensitive array exists - should return no rows (since "exists" only
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-- matches strings that are either object keys or array elements)
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SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
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-- However, a raw scalar is *contained* within the array
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SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
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SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']);
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SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']);
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SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']);
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SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']);
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SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]);
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SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[];
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SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']);
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SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']);
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SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']);
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SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','d']);
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SELECT jsonb_exists_all('{"a":null, "b":"qq"}', '{}'::text[]);
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SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','a', 'b', 'b', 'b'];
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SELECT jsonb '{"a":null, "b":"qq"}' ?& '{}'::text[];
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-- typeof
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SELECT jsonb_typeof('{}') AS object;
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SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object;
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SELECT jsonb_typeof('[]') AS array;
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SELECT jsonb_typeof('["a", 1]') AS array;
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SELECT jsonb_typeof('null') AS "null";
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SELECT jsonb_typeof('1') AS number;
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SELECT jsonb_typeof('-1') AS number;
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SELECT jsonb_typeof('1.0') AS number;
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SELECT jsonb_typeof('1e2') AS number;
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SELECT jsonb_typeof('-1.0') AS number;
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SELECT jsonb_typeof('true') AS boolean;
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SELECT jsonb_typeof('false') AS boolean;
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SELECT jsonb_typeof('"hello"') AS string;
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SELECT jsonb_typeof('"true"') AS string;
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SELECT jsonb_typeof('"1.0"') AS string;
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-- extract_path, extract_path_as_text
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SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
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SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
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SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
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SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
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SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
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SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
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SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
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SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
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-- extract_path nulls
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SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_false;
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SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_true;
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SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_false;
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SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_true;
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-- extract_path operators
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SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6'];
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SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2'];
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SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0'];
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SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1'];
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SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6'];
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SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2'];
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SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0'];
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SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1'];
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-- corner cases for same
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select '{"a": {"b":{"c": "foo"}}}'::jsonb #> '{}';
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select '[1,2,3]'::jsonb #> '{}';
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select '"foo"'::jsonb #> '{}';
|
|
select '42'::jsonb #> '{}';
|
|
select 'null'::jsonb #> '{}';
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', null];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', ''];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c','d'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','z','c'];
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','1','b'];
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','z','b'];
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['1','b'];
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['z','b'];
|
|
select '[{"b": "c"}, {"b": null}]'::jsonb #> array['1','b'];
|
|
select '"foo"'::jsonb #> array['z'];
|
|
select '42'::jsonb #> array['f2'];
|
|
select '42'::jsonb #> array['0'];
|
|
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> '{}';
|
|
select '[1,2,3]'::jsonb #>> '{}';
|
|
select '"foo"'::jsonb #>> '{}';
|
|
select '42'::jsonb #>> '{}';
|
|
select 'null'::jsonb #>> '{}';
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', null];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', ''];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c','d'];
|
|
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','z','c'];
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','1','b'];
|
|
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','z','b'];
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['1','b'];
|
|
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['z','b'];
|
|
select '[{"b": "c"}, {"b": null}]'::jsonb #>> array['1','b'];
|
|
select '"foo"'::jsonb #>> array['z'];
|
|
select '42'::jsonb #>> array['f2'];
|
|
select '42'::jsonb #>> array['0'];
|
|
|
|
-- array_elements
|
|
SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
|
|
SELECT * FROM jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
|
|
SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
|
|
SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
|
|
|
|
-- populate_record
|
|
CREATE TYPE jbpop AS (a text, b int, c timestamp);
|
|
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
|
|
|
|
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}') q;
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}') q;
|
|
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}') q;
|
|
|
|
-- populate_recordset
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
|
|
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
|
|
|
|
-- handling of unicode surrogate pairs
|
|
|
|
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
|
|
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
|
|
SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
|
|
SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
|
|
SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
|
|
|
|
-- handling of simple unicode escapes
|
|
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' AS correct_in_utf8;
|
|
SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' AS correct_everyWHERE;
|
|
SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' AS not_unescaped;
|
|
|
|
-- jsonb_to_record and jsonb_to_recordset
|
|
|
|
select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}')
|
|
as x(a int, b text, d text);
|
|
|
|
select * from jsonb_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]')
|
|
as x(a int, b text, c boolean);
|
|
|
|
-- indexing
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'public';
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'bar';
|
|
SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
|
|
SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
|
|
|
|
CREATE INDEX jidx ON testjsonb USING gin (j);
|
|
SET enable_seqscan = off;
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
|
|
-- excercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'public';
|
|
SELECT count(*) FROM testjsonb WHERE j ? 'bar';
|
|
SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
|
|
SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
|
|
|
|
-- array exists - array elements should behave as keys (for GIN index scans too)
|
|
CREATE INDEX jidx_array ON testjsonb USING gin((j->'array'));
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
|
|
-- type sensitive array exists - should return no rows (since "exists" only
|
|
-- matches strings that are either object keys or array elements)
|
|
SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
|
|
-- However, a raw scalar is *contained* within the array
|
|
SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
|
|
|
|
RESET enable_seqscan;
|
|
|
|
SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow;
|
|
SELECT key, count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow GROUP BY key ORDER BY count DESC, key;
|
|
|
|
-- sort/hash
|
|
SELECT count(distinct j) FROM testjsonb;
|
|
SET enable_hashagg = off;
|
|
SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
|
|
SET enable_hashagg = on;
|
|
SET enable_sort = off;
|
|
SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
|
|
SELECT distinct * FROM (values (jsonb '{}' || ''),('{}')) v(j);
|
|
SET enable_sort = on;
|
|
|
|
RESET enable_hashagg;
|
|
RESET enable_sort;
|
|
|
|
DROP INDEX jidx;
|
|
DROP INDEX jidx_array;
|
|
-- btree
|
|
CREATE INDEX jidx ON testjsonb USING btree (j);
|
|
SET enable_seqscan = off;
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j > '{"p":1}';
|
|
SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}';
|
|
|
|
--gin path opclass
|
|
DROP INDEX jidx;
|
|
CREATE INDEX jidx ON testjsonb USING gin (j jsonb_path_ops);
|
|
SET enable_seqscan = off;
|
|
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
|
|
-- excercise GIN_SEARCH_MODE_ALL
|
|
SELECT count(*) FROM testjsonb WHERE j @> '{}';
|
|
|
|
RESET enable_seqscan;
|
|
DROP INDEX jidx;
|
|
|
|
-- nested tests
|
|
SELECT '{"ff":{"a":12,"b":16}}'::jsonb;
|
|
SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb;
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb;
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
|
|
SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
|
|
SELECT '{"ff":["a","aaa"]}'::jsonb;
|
|
|
|
SELECT
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'ff',
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'qq',
|
|
('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'Y') IS NULL AS f,
|
|
('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb ->> 'Y') IS NULL AS t,
|
|
'{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'x';
|
|
|
|
-- nested containment
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}';
|
|
SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
|
|
SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
|
|
SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]';
|
|
SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]';
|
|
SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]';
|
|
SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]';
|
|
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}';
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}';
|
|
SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}';
|
|
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}';
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}';
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}';
|
|
SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}';
|
|
|
|
-- nested object field / array index lookup
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error
|
|
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 0;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 1;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 2;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 3;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 3 -> 1;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 4;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> 5;
|
|
SELECT '["a","b","c",[1,2],null]'::jsonb -> -1;
|
|
|
|
--nested path extraction
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{0}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{a}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,0}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,1}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,2}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,3}';
|
|
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-1}';
|
|
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{0}';
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{3}';
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4}';
|
|
SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4,5}';
|
|
|
|
--nested exists
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'n';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'a';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'b';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'c';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'd';
|
|
SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'e';
|
|
|
|
-- jsonb_strip_nulls
|
|
|
|
select jsonb_strip_nulls(null);
|
|
|
|
select jsonb_strip_nulls('1');
|
|
|
|
select jsonb_strip_nulls('"a string"');
|
|
|
|
select jsonb_strip_nulls('null');
|
|
|
|
select jsonb_strip_nulls('[1,2,null,3,4]');
|
|
|
|
select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}');
|
|
|
|
select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]');
|
|
|
|
-- an empty object is not null and should not be stripped
|
|
select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }');
|