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Diffstat (limited to 'src/test/regress/expected/jsonb.out')
| -rw-r--r-- | src/test/regress/expected/jsonb.out | 5559 |
1 files changed, 5559 insertions, 0 deletions
diff --git a/src/test/regress/expected/jsonb.out b/src/test/regress/expected/jsonb.out new file mode 100644 index 0000000..f6530e5 --- /dev/null +++ b/src/test/regress/expected/jsonb.out @@ -0,0 +1,5559 @@ +-- directory paths are passed to us in environment variables +\getenv abs_srcdir PG_ABS_SRCDIR +CREATE TABLE testjsonb ( + j jsonb +); +\set filename :abs_srcdir '/data/jsonb.data' +COPY testjsonb FROM :'filename'; +-- Strings. +SELECT '""'::jsonb; -- OK. + jsonb +------- + "" +(1 row) + +SELECT $$''$$::jsonb; -- ERROR, single quotes are not allowed +ERROR: invalid input syntax for type json +LINE 1: SELECT $$''$$::jsonb; + ^ +DETAIL: Token "'" is invalid. +CONTEXT: JSON data, line 1: '... +SELECT '"abc"'::jsonb; -- OK + jsonb +------- + "abc" +(1 row) + +SELECT '"abc'::jsonb; -- ERROR, quotes not closed +ERROR: invalid input syntax for type json +LINE 1: SELECT '"abc'::jsonb; + ^ +DETAIL: Token ""abc" is invalid. +CONTEXT: JSON data, line 1: "abc +SELECT '"abc +def"'::jsonb; -- 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\"\\"'::jsonb; -- OK, legal escapes + jsonb +---------- + "\n\"\\" +(1 row) + +SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape +ERROR: invalid input syntax for type json +LINE 1: SELECT '"\v"'::jsonb; + ^ +DETAIL: Escape sequence "\v" is invalid. +CONTEXT: JSON data, line 1: "\v... +-- see json_encoding test for input with unicode escapes +-- Numbers. +SELECT '1'::jsonb; -- OK + jsonb +------- + 1 +(1 row) + +SELECT '0'::jsonb; -- OK + jsonb +------- + 0 +(1 row) + +SELECT '01'::jsonb; -- ERROR, not valid according to JSON spec +ERROR: invalid input syntax for type json +LINE 1: SELECT '01'::jsonb; + ^ +DETAIL: Token "01" is invalid. +CONTEXT: JSON data, line 1: 01 +SELECT '0.1'::jsonb; -- OK + jsonb +------- + 0.1 +(1 row) + +SELECT '9223372036854775808'::jsonb; -- OK, even though it's too large for int8 + jsonb +--------------------- + 9223372036854775808 +(1 row) + +SELECT '1e100'::jsonb; -- OK + jsonb +------------------------------------------------------------------------------------------------------- + 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 +(1 row) + +SELECT '1.3e100'::jsonb; -- OK + jsonb +------------------------------------------------------------------------------------------------------- + 13000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 +(1 row) + +SELECT '1f2'::jsonb; -- ERROR +ERROR: invalid input syntax for type json +LINE 1: SELECT '1f2'::jsonb; + ^ +DETAIL: Token "1f2" is invalid. +CONTEXT: JSON data, line 1: 1f2 +SELECT '0.x1'::jsonb; -- ERROR +ERROR: invalid input syntax for type json +LINE 1: SELECT '0.x1'::jsonb; + ^ +DETAIL: Token "0.x1" is invalid. +CONTEXT: JSON data, line 1: 0.x1 +SELECT '1.3ex100'::jsonb; -- ERROR +ERROR: invalid input syntax for type json +LINE 1: SELECT '1.3ex100'::jsonb; + ^ +DETAIL: Token "1.3ex100" is invalid. +CONTEXT: JSON data, line 1: 1.3ex100 +-- Arrays. +SELECT '[]'::jsonb; -- OK + jsonb +------- + [] +(1 row) + +SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::jsonb; -- OK + jsonb +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] +(1 row) + +SELECT '[1,2]'::jsonb; -- OK + jsonb +-------- + [1, 2] +(1 row) + +SELECT '[1,2,]'::jsonb; -- ERROR, trailing comma +ERROR: invalid input syntax for type json +LINE 1: SELECT '[1,2,]'::jsonb; + ^ +DETAIL: Expected JSON value, but found "]". +CONTEXT: JSON data, line 1: [1,2,] +SELECT '[1,2'::jsonb; -- ERROR, no closing bracket +ERROR: invalid input syntax for type json +LINE 1: SELECT '[1,2'::jsonb; + ^ +DETAIL: The input string ended unexpectedly. +CONTEXT: JSON data, line 1: [1,2 +SELECT '[1,[2]'::jsonb; -- ERROR, no closing bracket +ERROR: invalid input syntax for type json +LINE 1: SELECT '[1,[2]'::jsonb; + ^ +DETAIL: The input string ended unexpectedly. +CONTEXT: JSON data, line 1: [1,[2] +-- Objects. +SELECT '{}'::jsonb; -- OK + jsonb +------- + {} +(1 row) + +SELECT '{"abc"}'::jsonb; -- ERROR, no value +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc"}'::jsonb; + ^ +DETAIL: Expected ":", but found "}". +CONTEXT: JSON data, line 1: {"abc"} +SELECT '{"abc":1}'::jsonb; -- OK + jsonb +------------ + {"abc": 1} +(1 row) + +SELECT '{1:"abc"}'::jsonb; -- ERROR, keys must be strings +ERROR: invalid input syntax for type json +LINE 1: SELECT '{1:"abc"}'::jsonb; + ^ +DETAIL: Expected string or "}", but found "1". +CONTEXT: JSON data, line 1: {1... +SELECT '{"abc",1}'::jsonb; -- ERROR, wrong separator +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc",1}'::jsonb; + ^ +DETAIL: Expected ":", but found ",". +CONTEXT: JSON data, line 1: {"abc",... +SELECT '{"abc"=1}'::jsonb; -- ERROR, totally wrong separator +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc"=1}'::jsonb; + ^ +DETAIL: Token "=" is invalid. +CONTEXT: JSON data, line 1: {"abc"=... +SELECT '{"abc"::1}'::jsonb; -- ERROR, another wrong separator +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc"::1}'::jsonb; + ^ +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]}}'::jsonb; -- OK + jsonb +-------------------------------------------------------------------- + {"abc": 1, "def": 2, "ghi": [3, 4], "hij": {"klm": 5, "nop": [6]}} +(1 row) + +SELECT '{"abc":1:2}'::jsonb; -- ERROR, colon in wrong spot +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc":1:2}'::jsonb; + ^ +DETAIL: Expected "," or "}", but found ":". +CONTEXT: JSON data, line 1: {"abc":1:... +SELECT '{"abc":1,3}'::jsonb; -- ERROR, no value +ERROR: invalid input syntax for type json +LINE 1: SELECT '{"abc":1,3}'::jsonb; + ^ +DETAIL: Expected string, but found "3". +CONTEXT: JSON data, line 1: {"abc":1,3... +-- Recursion. +SET max_stack_depth = '100kB'; +SELECT repeat('[', 10000)::jsonb; +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)::jsonb; +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'::jsonb; -- OK + jsonb +------- + true +(1 row) + +SELECT 'false'::jsonb; -- OK + jsonb +------- + false +(1 row) + +SELECT 'null'::jsonb; -- OK + jsonb +------- + null +(1 row) + +SELECT ' true '::jsonb; -- OK, even with extra whitespace + jsonb +------- + true +(1 row) + +SELECT 'true false'::jsonb; -- ERROR, too many values +ERROR: invalid input syntax for type json +LINE 1: SELECT 'true false'::jsonb; + ^ +DETAIL: Expected end of input, but found "false". +CONTEXT: JSON data, line 1: true false +SELECT 'true, false'::jsonb; -- ERROR, too many values +ERROR: invalid input syntax for type json +LINE 1: SELECT 'true, false'::jsonb; + ^ +DETAIL: Expected end of input, but found ",". +CONTEXT: JSON data, line 1: true,... +SELECT 'truf'::jsonb; -- ERROR, not a keyword +ERROR: invalid input syntax for type json +LINE 1: SELECT 'truf'::jsonb; + ^ +DETAIL: Token "truf" is invalid. +CONTEXT: JSON data, line 1: truf +SELECT 'trues'::jsonb; -- ERROR, not a keyword +ERROR: invalid input syntax for type json +LINE 1: SELECT 'trues'::jsonb; + ^ +DETAIL: Token "trues" is invalid. +CONTEXT: JSON data, line 1: trues +SELECT ''::jsonb; -- ERROR, no value +ERROR: invalid input syntax for type json +LINE 1: SELECT ''::jsonb; + ^ +DETAIL: The input string ended unexpectedly. +CONTEXT: JSON data, line 1: +SELECT ' '::jsonb; -- ERROR, no value +ERROR: invalid input syntax for type json +LINE 1: SELECT ' '::jsonb; + ^ +DETAIL: The input string ended unexpectedly. +CONTEXT: JSON data, line 1: +-- Multi-line JSON input to check ERROR reporting +SELECT '{ + "one": 1, + "two":"two", + "three": + true}'::jsonb; -- OK + jsonb +----------------------------------------- + {"one": 1, "two": "two", "three": true} +(1 row) + +SELECT '{ + "one": 1, + "two":,"two", -- ERROR extraneous comma before field "two" + "three": + true}'::jsonb; +ERROR: invalid input syntax for type json +LINE 1: SELECT '{ + ^ +DETAIL: Expected JSON value, but found ",". +CONTEXT: JSON data, line 3: "two":,... +SELECT '{ + "one": 1, + "two":"two", + "averyveryveryveryveryveryveryveryveryverylongfieldname":}'::jsonb; +ERROR: invalid input syntax for type json +LINE 1: SELECT '{ + ^ +DETAIL: Expected JSON value, but found "}". +CONTEXT: JSON data, line 4: ...yveryveryveryveryveryveryveryverylongfieldname":} +-- ERROR missing value for last field +-- make sure jsonb is passed through json generators without being escaped +SELECT array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']); + array_to_json +-------------------------- + [{"a": 1},{"b": [2, 3]}] +(1 row) + +-- anyarray column +CREATE TEMP TABLE rows AS +SELECT x, 'txt' || x as y +FROM generate_series(1,3) AS x; +analyze rows; +select attname, to_jsonb(histogram_bounds) histogram_bounds +from pg_stats +where tablename = 'rows' and + schemaname = pg_my_temp_schema()::regnamespace::text +order by 1; + attname | histogram_bounds +---------+-------------------------- + x | [1, 2, 3] + y | ["txt1", "txt2", "txt3"] +(2 rows) + +-- to_jsonb, timestamps +select to_jsonb(timestamp '2014-05-28 12:22:35.614298'); + to_jsonb +------------------------------ + "2014-05-28T12:22:35.614298" +(1 row) + +BEGIN; +SET LOCAL TIME ZONE 10.5; +select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04'); + to_jsonb +------------------------------------ + "2014-05-29T02:52:35.614298+10:30" +(1 row) + +SET LOCAL TIME ZONE -8; +select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04'); + to_jsonb +------------------------------------ + "2014-05-28T08:22:35.614298-08:00" +(1 row) + +COMMIT; +select to_jsonb(date '2014-05-28'); + to_jsonb +-------------- + "2014-05-28" +(1 row) + +select to_jsonb(date 'Infinity'); + to_jsonb +------------ + "infinity" +(1 row) + +select to_jsonb(date '-Infinity'); + to_jsonb +------------- + "-infinity" +(1 row) + +select to_jsonb(timestamp 'Infinity'); + to_jsonb +------------ + "infinity" +(1 row) + +select to_jsonb(timestamp '-Infinity'); + to_jsonb +------------- + "-infinity" +(1 row) + +select to_jsonb(timestamptz 'Infinity'); + to_jsonb +------------ + "infinity" +(1 row) + +select to_jsonb(timestamptz '-Infinity'); + to_jsonb +------------- + "-infinity" +(1 row) + +--jsonb_agg +SELECT jsonb_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; + jsonb_agg +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + [{"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 jsonb_agg(q ORDER BY x, y) + FROM rows q; + jsonb_agg +----------------------------------------------------------------------- + [{"x": 1, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}] +(1 row) + +UPDATE rows SET x = NULL WHERE x = 1; +SELECT jsonb_agg(q ORDER BY x NULLS FIRST, y) + FROM rows q; + jsonb_agg +-------------------------------------------------------------------------- + [{"x": null, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}] +(1 row) + +-- jsonb extraction functions +CREATE TEMP TABLE test_jsonb ( + json_type text, + test_json jsonb +); +INSERT INTO test_jsonb VALUES +('scalar','"a scalar"'), +('array','["zero", "one","two",null,"four","five", [1,2,3],{"f1":9}]'), +('object','{"field1":"val1","field2":"val2","field3":null, "field4": 4, "field5": [1,2,3], "field6": {"f1":9}}'); +SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'scalar'; + ?column? +---------- + +(1 row) + +SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array'; + ?column? +---------- + +(1 row) + +SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + +(1 row) + +SELECT test_json -> 'field2' FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + "val2" +(1 row) + +SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'scalar'; + ?column? +---------- + +(1 row) + +SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array'; + ?column? +---------- + +(1 row) + +SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + val2 +(1 row) + +SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'scalar'; + ?column? +---------- + +(1 row) + +SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'array'; + ?column? +---------- + "two" +(1 row) + +SELECT test_json -> 9 FROM test_jsonb WHERE json_type = 'array'; + ?column? +---------- + +(1 row) + +SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + +(1 row) + +SELECT test_json ->> 6 FROM test_jsonb WHERE json_type = 'array'; + ?column? +----------- + [1, 2, 3] +(1 row) + +SELECT test_json ->> 7 FROM test_jsonb WHERE json_type = 'array'; + ?column? +----------- + {"f1": 9} +(1 row) + +SELECT test_json ->> 'field4' FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + 4 +(1 row) + +SELECT test_json ->> 'field5' FROM test_jsonb WHERE json_type = 'object'; + ?column? +----------- + [1, 2, 3] +(1 row) + +SELECT test_json ->> 'field6' FROM test_jsonb WHERE json_type = 'object'; + ?column? +----------- + {"f1": 9} +(1 row) + +SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'scalar'; + ?column? +---------- + +(1 row) + +SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'array'; + ?column? +---------- + two +(1 row) + +SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'object'; + ?column? +---------- + +(1 row) + +SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'scalar'; +ERROR: cannot call jsonb_object_keys on a scalar +SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'array'; +ERROR: cannot call jsonb_object_keys on an array +SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object'; + jsonb_object_keys +------------------- + field1 + field2 + field3 + field4 + field5 + field6 +(6 rows) + +-- nulls +SELECT (test_json->'field3') IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'object'; + expect_false +-------------- + f +(1 row) + +SELECT (test_json->>'field3') IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'object'; + expect_true +------------- + t +(1 row) + +SELECT (test_json->3) IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'array'; + expect_false +-------------- + f +(1 row) + +SELECT (test_json->>3) IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'array'; + expect_true +------------- + t +(1 row) + +-- corner cases +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::text; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::int; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 1; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 'z'; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> ''; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 1; + ?column? +------------- + {"b": "cc"} +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 3; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 'z'; + ?column? +---------- + +(1 row) + +select '{"a": "c", "b": null}'::jsonb -> 'b'; + ?column? +---------- + null +(1 row) + +select '"foo"'::jsonb -> 1; + ?column? +---------- + +(1 row) + +select '"foo"'::jsonb -> 'z'; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::text; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::int; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 1; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 'z'; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> ''; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 1; + ?column? +------------- + {"b": "cc"} +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 3; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 'z'; + ?column? +---------- + +(1 row) + +select '{"a": "c", "b": null}'::jsonb ->> 'b'; + ?column? +---------- + +(1 row) + +select '"foo"'::jsonb ->> 1; + ?column? +---------- + +(1 row) + +select '"foo"'::jsonb ->> 'z'; + ?column? +---------- + +(1 row) + +-- equality and inequality +SELECT '{"x":"y"}'::jsonb = '{"x":"y"}'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '{"x":"y"}'::jsonb = '{"x":"z"}'::jsonb; + ?column? +---------- + f +(1 row) + +SELECT '{"x":"y"}'::jsonb <> '{"x":"y"}'::jsonb; + ?column? +---------- + f +(1 row) + +SELECT '{"x":"y"}'::jsonb <> '{"x":"z"}'::jsonb; + ?column? +---------- + t +(1 row) + +-- containment +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}'); + jsonb_contains +---------------- + t +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":null}'); + jsonb_contains +---------------- + t +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "g":null}'); + jsonb_contains +---------------- + f +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"g":null}'); + jsonb_contains +---------------- + f +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"c"}'); + jsonb_contains +---------------- + f +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}'); + jsonb_contains +---------------- + t +(1 row) + +SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":"q"}'); + jsonb_contains +---------------- + f +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":null}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "g":null}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"g":null}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"c"}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":"q"}'; + ?column? +---------- + f +(1 row) + +SELECT '[1,2]'::jsonb @> '[1,2,2]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '[1,1,2]'::jsonb @> '[1,2,2]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '[[1,2]]'::jsonb @> '[[1,2,2]]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '[1,2,2]'::jsonb <@ '[1,2]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '[1,2,2]'::jsonb <@ '[1,1,2]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '[[1,2,2]]'::jsonb <@ '[[1,2]]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + t +(1 row) + +SELECT jsonb_contained('{"a":"b", "c":null}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + t +(1 row) + +SELECT jsonb_contained('{"a":"b", "g":null}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + f +(1 row) + +SELECT jsonb_contained('{"g":null}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + f +(1 row) + +SELECT jsonb_contained('{"a":"c"}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + f +(1 row) + +SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + t +(1 row) + +SELECT jsonb_contained('{"a":"b", "c":"q"}', '{"a":"b", "b":1, "c":null}'); + jsonb_contained +----------------- + f +(1 row) + +SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "c":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + f +(1 row) + +SELECT '{"g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":"c"}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":"b", "c":"q"}'::jsonb <@ '{"a":"b", "b":1, "c":null}'; + ?column? +---------- + f +(1 row) + +-- Raw scalar may contain another raw scalar, array may contain a raw scalar +SELECT '[5]'::jsonb @> '[5]'; + ?column? +---------- + t +(1 row) + +SELECT '5'::jsonb @> '5'; + ?column? +---------- + t +(1 row) + +SELECT '[5]'::jsonb @> '5'; + ?column? +---------- + t +(1 row) + +-- But a raw scalar cannot contain an array +SELECT '5'::jsonb @> '[5]'; + ?column? +---------- + f +(1 row) + +-- In general, one thing should always contain itself. Test array containment: +SELECT '["9", ["7", "3"], 1]'::jsonb @> '["9", ["7", "3"], 1]'::jsonb; + ?column? +---------- + t +(1 row) + +SELECT '["9", ["7", "3"], ["1"]]'::jsonb @> '["9", ["7", "3"], ["1"]]'::jsonb; + ?column? +---------- + t +(1 row) + +-- array containment string matching confusion bug +SELECT '{ "name": "Bob", "tags": [ "enim", "qui"]}'::jsonb @> '{"tags":["qu"]}'; + ?column? +---------- + f +(1 row) + +-- array length +SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]'); + jsonb_array_length +-------------------- + 5 +(1 row) + +SELECT jsonb_array_length('[]'); + jsonb_array_length +-------------------- + 0 +(1 row) + +SELECT jsonb_array_length('{"f1":1,"f2":[5,6]}'); +ERROR: cannot get array length of a non-array +SELECT jsonb_array_length('4'); +ERROR: cannot get array length of a scalar +-- each +SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}'); + jsonb_each +-------------------- + (f1,"[1, 2, 3]") + (f2,"{""f3"": 1}") + (f4,null) +(3 rows) + +SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; + q +------------------------------------------------------ + (1,"""first""") + (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}") + (b,"[1, 2]") + (c,"""cc""") + (n,null) +(5 rows) + +SELECT * FROM jsonb_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 * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; + key | value +-----+------------------------------------ + 1 | "first" + a | {"1": "first", "b": "c", "c": "b"} + b | [1, 2] + c | "cc" + n | null +(5 rows) + +SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}'); + jsonb_each_text +-------------------- + (f1,"[1, 2, 3]") + (f2,"{""f3"": 1}") + (f4,) + (f5,null) +(4 rows) + +SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; + q +------------------------------------------------------ + (1,first) + (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}") + (b,"[1, 2]") + (c,cc) + (n,) +(5 rows) + +SELECT * FROM jsonb_each_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 | + f5 | 99 + f6 | stringy +(5 rows) + +SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; + key | value +-----+------------------------------------ + 1 | first + a | {"1": "first", "b": "c", "c": "b"} + b | [1, 2] + c | cc + n | +(5 rows) + +-- exists +SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a'); + jsonb_exists +-------------- + t +(1 row) + +SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b'); + jsonb_exists +-------------- + t +(1 row) + +SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c'); + jsonb_exists +-------------- + f +(1 row) + +SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a'); + jsonb_exists +-------------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ? 'a'; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ? 'b'; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ? 'c'; + ?column? +---------- + f +(1 row) + +SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a'; + ?column? +---------- + t +(1 row) + +-- array exists - array elements should behave as keys +SELECT count(*) from testjsonb WHERE j->'array' ? 'bar'; + count +------- + 3 +(1 row) + +-- 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; + count +------- + 0 +(1 row) + +-- However, a raw scalar is *contained* within the array +SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb; + count +------- + 1 +(1 row) + +SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']); + jsonb_exists_any +------------------ + t +(1 row) + +SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']); + jsonb_exists_any +------------------ + t +(1 row) + +SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']); + jsonb_exists_any +------------------ + t +(1 row) + +SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']); + jsonb_exists_any +------------------ + f +(1 row) + +SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]); + jsonb_exists_any +------------------ + f +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d']; + ?column? +---------- + f +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[]; + ?column? +---------- + f +(1 row) + +SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']); + jsonb_exists_all +------------------ + t +(1 row) + +SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']); + jsonb_exists_all +------------------ + t +(1 row) + +SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']); + jsonb_exists_all +------------------ + f +(1 row) + +SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','d']); + jsonb_exists_all +------------------ + f +(1 row) + +SELECT jsonb_exists_all('{"a":null, "b":"qq"}', '{}'::text[]); + jsonb_exists_all +------------------ + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a']; + ?column? +---------- + f +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d']; + ?column? +---------- + f +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','a', 'b', 'b', 'b']; + ?column? +---------- + t +(1 row) + +SELECT jsonb '{"a":null, "b":"qq"}' ?& '{}'::text[]; + ?column? +---------- + t +(1 row) + +-- typeof +SELECT jsonb_typeof('{}') AS object; + object +-------- + object +(1 row) + +SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object; + object +-------- + object +(1 row) + +SELECT jsonb_typeof('[]') AS array; + array +------- + array +(1 row) + +SELECT jsonb_typeof('["a", 1]') AS array; + array +------- + array +(1 row) + +SELECT jsonb_typeof('null') AS "null"; + null +------ + null +(1 row) + +SELECT jsonb_typeof('1') AS number; + number +-------- + number +(1 row) + +SELECT jsonb_typeof('-1') AS number; + number +-------- + number +(1 row) + +SELECT jsonb_typeof('1.0') AS number; + number +-------- + number +(1 row) + +SELECT jsonb_typeof('1e2') AS number; + number +-------- + number +(1 row) + +SELECT jsonb_typeof('-1.0') AS number; + number +-------- + number +(1 row) + +SELECT jsonb_typeof('true') AS boolean; + boolean +--------- + boolean +(1 row) + +SELECT jsonb_typeof('false') AS boolean; + boolean +--------- + boolean +(1 row) + +SELECT jsonb_typeof('"hello"') AS string; + string +-------- + string +(1 row) + +SELECT jsonb_typeof('"true"') AS string; + string +-------- + string +(1 row) + +SELECT jsonb_typeof('"1.0"') AS string; + string +-------- + string +(1 row) + +-- jsonb_build_array, jsonb_build_object, jsonb_object_agg +SELECT jsonb_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); + jsonb_build_array +------------------------------------------------------------------------- + ["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1, 2, 3]}] +(1 row) + +SELECT jsonb_build_array('a', NULL); -- ok + jsonb_build_array +------------------- + ["a", null] +(1 row) + +SELECT jsonb_build_array(VARIADIC NULL::text[]); -- ok + jsonb_build_array +------------------- + +(1 row) + +SELECT jsonb_build_array(VARIADIC '{}'::text[]); -- ok + jsonb_build_array +------------------- + [] +(1 row) + +SELECT jsonb_build_array(VARIADIC '{a,b,c}'::text[]); -- ok + jsonb_build_array +------------------- + ["a", "b", "c"] +(1 row) + +SELECT jsonb_build_array(VARIADIC ARRAY['a', NULL]::text[]); -- ok + jsonb_build_array +------------------- + ["a", null] +(1 row) + +SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::text[]); -- ok + jsonb_build_array +---------------------- + ["1", "2", "3", "4"] +(1 row) + +SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::int[]); -- ok + jsonb_build_array +------------------- + [1, 2, 3, 4] +(1 row) + +SELECT jsonb_build_array(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok + jsonb_build_array +-------------------- + [1, 4, 2, 5, 3, 6] +(1 row) + +SELECT jsonb_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); + jsonb_build_object +------------------------------------------------------------------------- + {"a": 1, "b": 1.2, "c": true, "d": null, "e": {"x": 3, "y": [1, 2, 3]}} +(1 row) + +SELECT jsonb_build_object( + 'a', jsonb_build_object('b',false,'c',99), + 'd', jsonb_build_object('e',array[9,8,7]::int[], + 'f', (select row_to_json(r) from ( select relkind, oid::regclass as name from pg_class where relname = 'pg_class') r))); + jsonb_build_object +------------------------------------------------------------------------------------------------ + {"a": {"b": false, "c": 99}, "d": {"e": [9, 8, 7], "f": {"name": "pg_class", "relkind": "r"}}} +(1 row) + +SELECT jsonb_build_object('{a,b,c}'::text[]); -- error +ERROR: argument list must have even number of elements +HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. +SELECT jsonb_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 jsonb_build_object('a', 'b', 'c'); -- error +ERROR: argument list must have even number of elements +HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. +SELECT jsonb_build_object(NULL, 'a'); -- error, key cannot be NULL +ERROR: argument 1: key must not be null +SELECT jsonb_build_object('a', NULL); -- ok + jsonb_build_object +-------------------- + {"a": null} +(1 row) + +SELECT jsonb_build_object(VARIADIC NULL::text[]); -- ok + jsonb_build_object +-------------------- + +(1 row) + +SELECT jsonb_build_object(VARIADIC '{}'::text[]); -- ok + jsonb_build_object +-------------------- + {} +(1 row) + +SELECT jsonb_build_object(VARIADIC '{a,b,c}'::text[]); -- error +ERROR: argument list must have even number of elements +HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. +SELECT jsonb_build_object(VARIADIC ARRAY['a', NULL]::text[]); -- ok + jsonb_build_object +-------------------- + {"a": null} +(1 row) + +SELECT jsonb_build_object(VARIADIC ARRAY[NULL, 'a']::text[]); -- error, key cannot be NULL +ERROR: argument 1: key must not be null +SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::text[]); -- ok + jsonb_build_object +---------------------- + {"1": "2", "3": "4"} +(1 row) + +SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::int[]); -- ok + jsonb_build_object +-------------------- + {"1": 2, "3": 4} +(1 row) + +SELECT jsonb_build_object(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok + jsonb_build_object +-------------------------- + {"1": 4, "2": 5, "3": 6} +(1 row) + +-- empty objects/arrays +SELECT jsonb_build_array(); + jsonb_build_array +------------------- + [] +(1 row) + +SELECT jsonb_build_object(); + jsonb_build_object +-------------------- + {} +(1 row) + +-- make sure keys are quoted +SELECT jsonb_build_object(1,2); + jsonb_build_object +-------------------- + {"1": 2} +(1 row) + +-- keys must be scalar and not null +SELECT jsonb_build_object(null,2); +ERROR: argument 1: key must not be null +SELECT jsonb_build_object(r,2) FROM (SELECT 1 AS a, 2 AS b) r; +ERROR: key value must be scalar, not array, composite, or json +SELECT jsonb_build_object(json '{"a":1,"b":2}', 3); +ERROR: key value must be scalar, not array, composite, or json +SELECT jsonb_build_object('{1,2,3}'::int[], 3); +ERROR: key value must be scalar, not array, composite, or json +-- handling of NULL values +SELECT jsonb_object_agg(1, NULL::jsonb); + jsonb_object_agg +------------------ + {"1": null} +(1 row) + +SELECT jsonb_object_agg(NULL, '{"a":1}'); +ERROR: field name must not be null +CREATE TEMP TABLE foo (serial_num int, name text, type text); +INSERT INTO foo VALUES (847001,'t15','GE1043'); +INSERT INTO foo VALUES (847002,'t16','GE1043'); +INSERT INTO foo VALUES (847003,'sub-alpha','GESS90'); +SELECT jsonb_build_object('turbines',jsonb_object_agg(serial_num,jsonb_build_object('name',name,'type',type))) +FROM foo; + jsonb_build_object +------------------------------------------------------------------------------------------------------------------------------------------------------------- + {"turbines": {"847001": {"name": "t15", "type": "GE1043"}, "847002": {"name": "t16", "type": "GE1043"}, "847003": {"name": "sub-alpha", "type": "GESS90"}}} +(1 row) + +SELECT jsonb_object_agg(name, type) FROM foo; + jsonb_object_agg +----------------------------------------------------------- + {"t15": "GE1043", "t16": "GE1043", "sub-alpha": "GESS90"} +(1 row) + +INSERT INTO foo VALUES (999999, NULL, 'bar'); +SELECT jsonb_object_agg(name, type) FROM foo; +ERROR: field name must not be null +-- edge case for parser +SELECT jsonb_object_agg(DISTINCT 'a', 'abc'); + jsonb_object_agg +------------------ + {"a": "abc"} +(1 row) + +-- jsonb_object +-- empty object, one dimension +SELECT jsonb_object('{}'); + jsonb_object +-------------- + {} +(1 row) + +-- empty object, two dimensions +SELECT jsonb_object('{}', '{}'); + jsonb_object +-------------- + {} +(1 row) + +-- one dimension +SELECT jsonb_object('{a,1,b,2,3,NULL,"d e f","a b c"}'); + jsonb_object +--------------------------------------------------- + {"3": null, "a": "1", "b": "2", "d e f": "a b c"} +(1 row) + +-- same but with two dimensions +SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); + jsonb_object +--------------------------------------------------- + {"3": null, "a": "1", "b": "2", "d e f": "a b c"} +(1 row) + +-- odd number error +SELECT jsonb_object('{a,b,c}'); +ERROR: array must have even number of elements +-- one column error +SELECT jsonb_object('{{a},{b}}'); +ERROR: array must have two columns +-- too many columns error +SELECT jsonb_object('{{a,b,c},{b,c,d}}'); +ERROR: array must have two columns +-- too many dimensions error +SELECT jsonb_object('{{{a,b},{c,d}},{{b,c},{d,e}}}'); +ERROR: wrong number of array subscripts +--two argument form of jsonb_object +select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}'); + jsonb_object +-------------------------------------------------- + {"a": "1", "b": "2", "c": "3", "d e f": "a b c"} +(1 row) + +-- too many dimensions +SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}', '{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); +ERROR: wrong number of array subscripts +-- mismatched dimensions +select jsonb_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}'); +ERROR: mismatched array dimensions +select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}'); +ERROR: mismatched array dimensions +-- null key error +select jsonb_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}'); +ERROR: null value not allowed for object key +-- empty key is allowed +select jsonb_object('{a,b,"","d e f"}','{1,2,3,"a b c"}'); + jsonb_object +------------------------------------------------- + {"": "3", "a": "1", "b": "2", "d e f": "a b c"} +(1 row) + +-- extract_path, extract_path_as_text +SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6'); + jsonb_extract_path +-------------------- + "stringy" +(1 row) + +SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); + jsonb_extract_path +-------------------- + {"f3": 1} +(1 row) + +SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); + jsonb_extract_path +-------------------- + "f3" +(1 row) + +SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); + jsonb_extract_path +-------------------- + 1 +(1 row) + +SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6'); + jsonb_extract_path_text +------------------------- + stringy +(1 row) + +SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); + jsonb_extract_path_text +------------------------- + {"f3": 1} +(1 row) + +SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); + jsonb_extract_path_text +------------------------- + f3 +(1 row) + +SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); + jsonb_extract_path_text +------------------------- + 1 +(1 row) + +-- extract_path nulls +SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_false; + expect_false +-------------- + f +(1 row) + +SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_true; + expect_true +------------- + t +(1 row) + +SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_false; + expect_false +-------------- + f +(1 row) + +SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_true; + expect_true +------------- + t +(1 row) + +-- extract_path operators +SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6']; + ?column? +----------- + "stringy" +(1 row) + +SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2']; + ?column? +----------- + {"f3": 1} +(1 row) + +SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0']; + ?column? +---------- + "f3" +(1 row) + +SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1']; + ?column? +---------- + 1 +(1 row) + +SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6']; + ?column? +---------- + stringy +(1 row) + +SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2']; + ?column? +----------- + {"f3": 1} +(1 row) + +SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0']; + ?column? +---------- + f3 +(1 row) + +SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1']; + ?column? +---------- + 1 +(1 row) + +-- corner cases for same +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> '{}'; + ?column? +---------------------------- + {"a": {"b": {"c": "foo"}}} +(1 row) + +select '[1,2,3]'::jsonb #> '{}'; + ?column? +----------- + [1, 2, 3] +(1 row) + +select '"foo"'::jsonb #> '{}'; + ?column? +---------- + "foo" +(1 row) + +select '42'::jsonb #> '{}'; + ?column? +---------- + 42 +(1 row) + +select 'null'::jsonb #> '{}'; + ?column? +---------- + null +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a']; + ?column? +--------------------- + {"b": {"c": "foo"}} +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', null]; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', '']; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b']; + ?column? +-------------- + {"c": "foo"} +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c']; + ?column? +---------- + "foo" +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c','d']; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','z','c']; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','1','b']; + ?column? +---------- + "cc" +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','z','b']; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['1','b']; + ?column? +---------- + "cc" +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['z','b']; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": null}]'::jsonb #> array['1','b']; + ?column? +---------- + null +(1 row) + +select '"foo"'::jsonb #> array['z']; + ?column? +---------- + +(1 row) + +select '42'::jsonb #> array['f2']; + ?column? +---------- + +(1 row) + +select '42'::jsonb #> array['0']; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> '{}'; + ?column? +---------------------------- + {"a": {"b": {"c": "foo"}}} +(1 row) + +select '[1,2,3]'::jsonb #>> '{}'; + ?column? +----------- + [1, 2, 3] +(1 row) + +select '"foo"'::jsonb #>> '{}'; + ?column? +---------- + foo +(1 row) + +select '42'::jsonb #>> '{}'; + ?column? +---------- + 42 +(1 row) + +select 'null'::jsonb #>> '{}'; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a']; + ?column? +--------------------- + {"b": {"c": "foo"}} +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', null]; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', '']; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b']; + ?column? +-------------- + {"c": "foo"} +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c']; + ?column? +---------- + foo +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c','d']; + ?column? +---------- + +(1 row) + +select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','z','c']; + ?column? +---------- + +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','1','b']; + ?column? +---------- + cc +(1 row) + +select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','z','b']; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['1','b']; + ?column? +---------- + cc +(1 row) + +select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['z','b']; + ?column? +---------- + +(1 row) + +select '[{"b": "c"}, {"b": null}]'::jsonb #>> array['1','b']; + ?column? +---------- + +(1 row) + +select '"foo"'::jsonb #>> array['z']; + ?column? +---------- + +(1 row) + +select '42'::jsonb #>> array['f2']; + ?column? +---------- + +(1 row) + +select '42'::jsonb #>> array['0']; + ?column? +---------- + +(1 row) + +-- array_elements +SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]'); + jsonb_array_elements +---------------------------- + 1 + true + [1, [2, 3]] + null + {"f1": 1, "f2": [7, 8, 9]} + false +(6 rows) + +SELECT * FROM jsonb_array_elements('[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) + +SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]'); + jsonb_array_elements_text +---------------------------- + 1 + true + [1, [2, 3]] + + {"f1": 1, "f2": [7, 8, 9]} + false + stringy +(7 rows) + +SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q; + value +---------------------------- + 1 + true + [1, [2, 3]] + + {"f1": 1, "f2": [7, 8, 9]} + false + stringy +(7 rows) + +-- populate_record +CREATE TYPE jbpop AS (a text, b int, c timestamp); +CREATE DOMAIN jsb_int_not_null AS int NOT NULL; +CREATE DOMAIN jsb_int_array_1d AS int[] CHECK(array_length(VALUE, 1) = 3); +CREATE DOMAIN jsb_int_array_2d AS int[][] CHECK(array_length(VALUE, 2) = 3); +create type jb_unordered_pair as (x int, y int); +create domain jb_ordered_pair as jb_unordered_pair check((value).x <= (value).y); +CREATE TYPE jsbrec AS ( + i int, + ia _int4, + ia1 int[], + ia2 int[][], + ia3 int[][][], + ia1d jsb_int_array_1d, + ia2d jsb_int_array_2d, + t text, + ta text[], + c char(10), + ca char(10)[], + ts timestamp, + js json, + jsb jsonb, + jsa json[], + rec jbpop, + reca jbpop[] +); +CREATE TYPE jsbrec_i_not_null AS ( + i jsb_int_not_null +); +SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q; + a | b | c +--------+---+--- + blurfl | | +(1 row) + +SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q; + a | b | c +--------+---+-------------------------- + blurfl | 3 | Mon Dec 31 15:30:56 2012 +(1 row) + +SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q; + a | b | c +--------+---+--- + blurfl | | +(1 row) + +SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q; + a | b | c +--------+---+-------------------------- + blurfl | 3 | Mon Dec 31 15:30:56 2012 +(1 row) + +SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}') q; + a | b | c +-------------------+---+--- + [100, 200, false] | | +(1 row) + +SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}') q; + a | b | c +-------------------+---+-------------------------- + [100, 200, false] | 3 | Mon Dec 31 15:30:56 2012 +(1 row) + +SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}') q; +ERROR: invalid input syntax for type timestamp: "[100, 200, false]" +SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop, '{}') q; + a | b | c +---+---+-------------------------- + x | 3 | Mon Dec 31 15:30:56 2012 +(1 row) + +SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"x": 43.2}') q; +ERROR: domain jsb_int_not_null does not allow null values +SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": null}') q; +ERROR: domain jsb_int_not_null does not allow null values +SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": 12345}') q; + i +------- + 12345 +(1 row) + +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": null}') q; + ia +---- + +(1 row) + +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "ia". +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [1, "2", null, 4]}') q; + ia +-------------- + {1,2,NULL,4} +(1 row) + +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1, 2], [3, 4]]}') q; + ia +--------------- + {{1,2},{3,4}} +(1 row) + +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], 2]}') q; +ERROR: expected JSON array +HINT: See the array element [1] of key "ia". +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], [2, 3]]}') q; +ERROR: malformed JSON array +DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. +SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": "{1,2,3}"}') q; + ia +--------- + {1,2,3} +(1 row) + +SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": null}') q; + ia1 +----- + +(1 row) + +SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "ia1". +SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [1, "2", null, 4]}') q; + ia1 +-------------- + {1,2,NULL,4} +(1 row) + +SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [[1, 2, 3]]}') q; + ia1 +----------- + {{1,2,3}} +(1 row) + +SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": null}') q; + ia1d +------ + +(1 row) + +SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "ia1d". +SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null, 4]}') q; +ERROR: value for domain jsb_int_array_1d violates check constraint "jsb_int_array_1d_check" +SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null]}') q; + ia1d +------------ + {1,2,NULL} +(1 row) + +SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [1, "2", null, 4]}') q; + ia2 +-------------- + {1,2,NULL,4} +(1 row) + +SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [null, 4]]}') q; + ia2 +------------------ + {{1,2},{NULL,4}} +(1 row) + +SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[], []]}') q; + ia2 +----- + {} +(1 row) + +SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [3]]}') q; +ERROR: malformed JSON array +DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. +SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], 3, 4]}') q; +ERROR: expected JSON array +HINT: See the array element [1] of key "ia2". +SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2"], [null, 4]]}') q; +ERROR: value for domain jsb_int_array_2d violates check constraint "jsb_int_array_2d_check" +SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2", 3], [null, 5, 6]]}') q; + ia2d +---------------------- + {{1,2,3},{NULL,5,6}} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [1, "2", null, 4]}') q; + ia3 +-------------- + {1,2,NULL,4} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [[1, 2], [null, 4]]}') q; + ia3 +------------------ + {{1,2},{NULL,4}} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[], []], [[], []], [[], []] ]}') q; + ia3 +----- + {} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2]], [[3, 4]] ]}') q; + ia3 +------------------- + {{{1,2}},{{3,4}}} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8]] ]}') q; + ia3 +------------------------------- + {{{1,2},{3,4}},{{5,6},{7,8}}} +(1 row) + +SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"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 jsonb_populate_record(NULL::jsbrec, '{"ta": null}') q; + ta +---- + +(1 row) + +SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "ta". +SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [1, "2", null, 4]}') q; + ta +-------------- + {1,2,NULL,4} +(1 row) + +SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q; +ERROR: expected JSON array +HINT: See the array element [1] of key "ta". +SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": null}') q; + c +--- + +(1 row) + +SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaa"}') q; + c +------------ + aaa +(1 row) + +SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaa"}') q; + c +------------ + aaaaaaaaaa +(1 row) + +SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaaaaa"}') q; +ERROR: value too long for type character(10) +SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": null}') q; + ca +---- + +(1 row) + +SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "ca". +SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [1, "2", null, 4]}') q; + ca +----------------------------------------------- + {"1 ","2 ",NULL,"4 "} +(1 row) + +SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q; +ERROR: value too long for type character(10) +SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q; +ERROR: expected JSON array +HINT: See the array element [1] of key "ca". +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": null}') q; + js +---- + +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": true}') q; + js +------ + true +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": 123.45}') q; + js +-------- + 123.45 +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "123.45"}') q; + js +---------- + "123.45" +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "abc"}') q; + js +------- + "abc" +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": [123, "123", null, {"key": "value"}]}') q; + js +-------------------------------------- + [123, "123", null, {"key": "value"}] +(1 row) + +SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q; + js +-------------------------------------- + {"a": "bbb", "b": null, "c": 123.45} +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": null}') q; + jsb +----- + +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": true}') q; + jsb +------ + true +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": 123.45}') q; + jsb +-------- + 123.45 +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "123.45"}') q; + jsb +---------- + "123.45" +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "abc"}') q; + jsb +------- + "abc" +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q; + jsb +-------------------------------------- + [123, "123", null, {"key": "value"}] +(1 row) + +SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q; + jsb +-------------------------------------- + {"a": "bbb", "b": null, "c": 123.45} +(1 row) + +SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": null}') q; + jsa +----- + +(1 row) + +SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "jsa". +SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": [1, "2", null, 4]}') q; + jsa +-------------------- + {1,"\"2\"",NULL,4} +(1 row) + +SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": ["aaa", null, [1, 2, "3", {}], { "k" : "v" }]}') q; + jsa +------------------------------------------------------- + {"\"aaa\"",NULL,"[1, 2, \"3\", {}]","{\"k\": \"v\"}"} +(1 row) + +SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": 123}') q; +ERROR: cannot call populate_composite on a scalar +SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": [1, 2]}') q; +ERROR: cannot call populate_composite on an array +SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"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 jsonb_populate_record(NULL::jsbrec, '{"rec": "(abc,42,01.02.2003)"}') q; + rec +------------------------------------- + (abc,42,"Thu Jan 02 00:00:00 2003") +(1 row) + +SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": 123}') q; +ERROR: expected JSON array +HINT: See the value of key "reca". +SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": [1, 2]}') q; +ERROR: cannot call populate_composite on a scalar +SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"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 jsonb_populate_record(NULL::jsbrec, '{"reca": ["(abc,42,01.02.2003)"]}') q; + reca +------------------------------------------- + {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} +(1 row) + +SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": "{\"(abc,42,01.02.2003)\"}"}') q; + reca +------------------------------------------- + {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} +(1 row) + +SELECT rec FROM jsonb_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')::jbpop,NULL)::jsbrec, + '{"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 jsonb_populate_record(null::record, '{"x": 0, "y": 1}'); +ERROR: could not determine row type for result of jsonb_populate_record +HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. +SELECT jsonb_populate_record(row(1,2), '{"f1": 0, "f2": 1}'); + jsonb_populate_record +----------------------- + (0,1) +(1 row) + +SELECT * FROM + jsonb_populate_record(null::record, '{"x": 776}') AS (x int, y int); + x | y +-----+--- + 776 | +(1 row) + +-- composite domain +SELECT jsonb_populate_record(null::jb_ordered_pair, '{"x": 0, "y": 1}'); + jsonb_populate_record +----------------------- + (0,1) +(1 row) + +SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 0}'); + jsonb_populate_record +----------------------- + (0,2) +(1 row) + +SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 1, "y": 0}'); +ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check" +-- populate_recordset +SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"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 jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"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 jsonb_populate_recordset(NULL::jbpop,'[{"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 jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"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 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; + a | b | c +-----------------+----+-------------------------- + [100, 200, 300] | 99 | + {"z": true} | 3 | Fri Jan 20 10:42:53 2012 +(2 rows) + +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; +ERROR: invalid input syntax for type timestamp: "[100, 200, 300]" +SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"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 jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"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 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; + a | b | c +-----------------+----+-------------------------- + [100, 200, 300] | 99 | + {"z": true} | 3 | Fri Jan 20 10:42:53 2012 +(2 rows) + +-- anonymous record type +SELECT jsonb_populate_recordset(null::record, '[{"x": 0, "y": 1}]'); +ERROR: could not determine row type for result of jsonb_populate_recordset +HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. +SELECT jsonb_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]'); + jsonb_populate_recordset +-------------------------- + (0,1) +(1 row) + +SELECT i, jsonb_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]') +FROM (VALUES (1),(2)) v(i); + i | jsonb_populate_recordset +---+-------------------------- + 1 | (42,50) + 1 | (1,43) + 2 | (42,50) + 2 | (2,43) +(4 rows) + +SELECT * FROM + jsonb_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int); + x | y +-----+--- + 776 | +(1 row) + +-- empty array is a corner case +SELECT jsonb_populate_recordset(null::record, '[]'); +ERROR: could not determine row type for result of jsonb_populate_recordset +HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. +SELECT jsonb_populate_recordset(row(1,2), '[]'); + jsonb_populate_recordset +-------------------------- +(0 rows) + +SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[]') q; + a | b | c +---+---+--- +(0 rows) + +SELECT * FROM + jsonb_populate_recordset(null::record, '[]') AS (x int, y int); + x | y +---+--- +(0 rows) + +-- composite domain +SELECT jsonb_populate_recordset(null::jb_ordered_pair, '[{"x": 0, "y": 1}]'); + jsonb_populate_recordset +-------------------------- + (0,1) +(1 row) + +SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 0}, {"y": 3}]'); + jsonb_populate_recordset +-------------------------- + (0,2) + (1,3) +(2 rows) + +SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 1, "y": 0}]'); +ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check" +-- negative cases where the wrong record type is supplied +select * from jsonb_populate_recordset(row(0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); +ERROR: function return row and query-specified return row do not match +DETAIL: Returned row contains 1 attribute, but query expects 2. +select * from jsonb_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); +ERROR: function return row and query-specified return row do not match +DETAIL: Returned type integer at ordinal position 1, but query expects text. +select * from jsonb_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); +ERROR: function return row and query-specified return row do not match +DETAIL: Returned row contains 3 attributes, but query expects 2. +select * from jsonb_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b text); +ERROR: function return row and query-specified return row do not match +DETAIL: Returned type integer at ordinal position 1, but query expects text. +-- 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); + a | b | d +---+-----+--- + 1 | foo | +(1 row) + +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); + a | b | c +---+-----+--- + 1 | foo | + 2 | bar | t +(2 rows) + +select *, c is null as c_is_null +from jsonb_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}}'::jsonb) + as t(a int, b jsonb, c text, x int, ca char(5)[], ia int[][], r jbpop); + 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 jsonb_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::jsonb) + as t(a int, b jsonb, c text, x int); + a | b | c | x | c_is_null +---+-------------------+---+---+----------- + 1 | {"c": 16, "d": 2} | | 8 | t +(1 row) + +select * from jsonb_to_record('{"ia": null}') as x(ia _int4); + ia +---- + +(1 row) + +select * from jsonb_to_record('{"ia": 123}') as x(ia _int4); +ERROR: expected JSON array +HINT: See the value of key "ia". +select * from jsonb_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4); + ia +-------------- + {1,2,NULL,4} +(1 row) + +select * from jsonb_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4); + ia +--------------- + {{1,2},{3,4}} +(1 row) + +select * from jsonb_to_record('{"ia": [[1], 2]}') as x(ia _int4); +ERROR: expected JSON array +HINT: See the array element [1] of key "ia". +select * from jsonb_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 jsonb_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]); + ia2 +--------- + {1,2,3} +(1 row) + +select * from jsonb_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]); + ia2 +--------------- + {{1,2},{3,4}} +(1 row) + +select * from jsonb_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]); + ia2 +----------------- + {{{1},{2},{3}}} +(1 row) + +select * from jsonb_to_record('{"out": {"key": 1}}') as x(out json); + out +------------ + {"key": 1} +(1 row) + +select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out json); + out +-------------- + [{"key": 1}] +(1 row) + +select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out json); + out +---------------- + "{\"key\": 1}" +(1 row) + +select * from jsonb_to_record('{"out": {"key": 1}}') as x(out jsonb); + out +------------ + {"key": 1} +(1 row) + +select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out jsonb); + out +-------------- + [{"key": 1}] +(1 row) + +select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb); + out +---------------- + "{\"key\": 1}" +(1 row) + +-- test type info caching in jsonb_populate_record() +CREATE TEMP TABLE jsbpoptest (js jsonb); +INSERT INTO jsbpoptest +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}] +}'::jsonb +FROM generate_series(1, 3); +SELECT (jsonb_populate_record(NULL::jsbrec, js)).* FROM jsbpoptest; + 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 jsbrec; +DROP TYPE jsbrec_i_not_null; +DROP DOMAIN jsb_int_not_null; +DROP DOMAIN jsb_int_array_1d; +DROP DOMAIN jsb_int_array_2d; +DROP DOMAIN jb_ordered_pair; +DROP TYPE jb_unordered_pair; +-- indexing +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ? 'public'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ? 'bar'; + count +------- + 0 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; + count +------- + 337 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled']; + count +------- + 42 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; + count +------- + 0 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; + count +------- + 337 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; + count +------- + 42 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.public'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; + count +------- + 0 +(1 row) + +CREATE INDEX jidx ON testjsonb USING gin (j); +SET enable_seqscan = off; +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}'; + count +------- + 3 +(1 row) + +-- exercise GIN_SEARCH_MODE_ALL +SELECT count(*) FROM testjsonb WHERE j @> '{}'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ? 'public'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ? 'bar'; + count +------- + 0 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; + count +------- + 337 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled']; + count +------- + 42 +(1 row) + +EXPLAIN (COSTS OFF) +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; + QUERY PLAN +----------------------------------------------------------------- + Aggregate + -> Bitmap Heap Scan on testjsonb + Recheck Cond: (j @@ '($."wait" == null)'::jsonpath) + -> Bitmap Index Scan on jidx + Index Cond: (j @@ '($."wait" == null)'::jsonpath) +(5 rows) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; + count +------- + 0 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; + count +------- + 337 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; + count +------- + 42 +(1 row) + +EXPLAIN (COSTS OFF) +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; + QUERY PLAN +------------------------------------------------------------------- + Aggregate + -> Bitmap Heap Scan on testjsonb + Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath) + -> Bitmap Index Scan on jidx + Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath) +(5 rows) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.public'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; + count +------- + 0 +(1 row) + +-- 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'; + count +------- + 3 +(1 row) + +-- 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; + count +------- + 0 +(1 row) + +-- However, a raw scalar is *contained* within the array +SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb; + count +------- + 1 +(1 row) + +RESET enable_seqscan; +SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow; + count +------- + 4791 +(1 row) + +SELECT key, count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow GROUP BY key ORDER BY count DESC, key; + key | count +-----------+------- + line | 884 + query | 207 + pos | 203 + node | 202 + space | 197 + status | 195 + public | 194 + title | 190 + wait | 190 + org | 189 + user | 189 + coauthors | 188 + disabled | 185 + indexed | 184 + cleaned | 180 + bad | 179 + date | 179 + world | 176 + state | 172 + subtitle | 169 + auth | 168 + abstract | 161 + array | 5 + age | 2 + foo | 2 + fool | 1 +(26 rows) + +-- sort/hash +SELECT count(distinct j) FROM testjsonb; + count +------- + 894 +(1 row) + +SET enable_hashagg = off; +SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2; + count +------- + 894 +(1 row) + +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; + count +------- + 894 +(1 row) + +SELECT distinct * FROM (values (jsonb '{}' || ''::text),('{}')) v(j); + j +---- + {} +(1 row) + +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}'; + count +------- + 884 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}'; + count +------- + 1 +(1 row) + +--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}'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; + count +------- + 2 +(1 row) + +-- exercise GIN_SEARCH_MODE_ALL +SELECT count(*) FROM testjsonb WHERE j @> '{}'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; + count +------- + 1012 +(1 row) + +EXPLAIN (COSTS OFF) +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; + QUERY PLAN +------------------------------------------------------------------- + Aggregate + -> Bitmap Heap Scan on testjsonb + Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath) + -> Bitmap Index Scan on jidx + Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath) +(5 rows) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; + count +------- + 1 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; + count +------- + 15 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; + count +------- + 2 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; + count +------- + 3 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$'; + count +------- + 1012 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.public'; + count +------- + 194 +(1 row) + +SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; + count +------- + 0 +(1 row) + +RESET enable_seqscan; +DROP INDEX jidx; +-- nested tests +SELECT '{"ff":{"a":12,"b":16}}'::jsonb; + jsonb +---------------------------- + {"ff": {"a": 12, "b": 16}} +(1 row) + +SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb; + jsonb +--------------------------------------- + {"ff": {"a": 12, "b": 16}, "qq": 123} +(1 row) + +SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb; + jsonb +-------------------------------------------------------------------------------------------------- + {"aa": ["a", "aaa"], "qq": {"a": 12, "b": 16, "c": ["c1", "c2"], "d": {"d1": "d3", "d2": "d2"}}} +(1 row) + +SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb; + jsonb +------------------------------------------------------------------------------------------------------ + {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2"], "d": {"d1": "d1", "d2": "d2"}}} +(1 row) + +SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb; + jsonb +------------------------------------------------------------------------------------------------------------------------- + {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2", ["c3"], {"c4": 4}], "d": {"d1": "d1", "d2": "d2"}}} +(1 row) + +SELECT '{"ff":["a","aaa"]}'::jsonb; + jsonb +---------------------- + {"ff": ["a", "aaa"]} +(1 row) + +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'; + ?column? | ?column? | f | t | ?column? +--------------------+----------+---+---+---------- + {"a": 12, "b": 16} | 123 | f | t | [1, 2] +(1 row) + +-- nested containment +SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}'; + ?column? +---------- + f +(1 row) + +SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]'; + ?column? +---------- + f +(1 row) + +SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]'; + ?column? +---------- + t +(1 row) + +SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]'; + ?column? +---------- + t +(1 row) + +SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}'; + ?column? +---------- + t +(1 row) + +SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}'; + ?column? +---------- + f +(1 row) + +SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}'; + ?column? +---------- + t +(1 row) + +-- check some corner cases for indexed nested containment (bug #13756) +create temp table nestjsonb (j jsonb); +insert into nestjsonb (j) values ('{"a":[["b",{"x":1}],["b",{"x":2}]],"c":3}'); +insert into nestjsonb (j) values ('[[14,2,3]]'); +insert into nestjsonb (j) values ('[1,[14,2,3]]'); +create index on nestjsonb using gin(j jsonb_path_ops); +set enable_seqscan = on; +set enable_bitmapscan = off; +select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; + j +--------------------------------------------------- + {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} +(1 row) + +select * from nestjsonb where j @> '{"c":3}'; + j +--------------------------------------------------- + {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} +(1 row) + +select * from nestjsonb where j @> '[[14]]'; + j +----------------- + [[14, 2, 3]] + [1, [14, 2, 3]] +(2 rows) + +set enable_seqscan = off; +set enable_bitmapscan = on; +select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; + j +--------------------------------------------------- + {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} +(1 row) + +select * from nestjsonb where j @> '{"c":3}'; + j +--------------------------------------------------- + {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} +(1 row) + +select * from nestjsonb where j @> '[[14]]'; + j +----------------- + [[14, 2, 3]] + [1, [14, 2, 3]] +(2 rows) + +reset enable_seqscan; +reset enable_bitmapscan; +-- nested object field / array index lookup +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n'; + ?column? +---------- + null +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a'; + ?column? +---------- + 1 +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b'; + ?column? +---------- + [1, 2] +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c'; + ?column? +---------- + {"1": 2} +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd'; + ?column? +--------------- + {"1": [2, 3]} +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1'; + ?column? +---------- + [2, 3] +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e'; + ?column? +---------- + +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error + ?column? +---------- + +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 0; + ?column? +---------- + "a" +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 1; + ?column? +---------- + "b" +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 2; + ?column? +---------- + "c" +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 3; + ?column? +---------- + [1, 2] +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 3 -> 1; + ?column? +---------- + 2 +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 4; + ?column? +---------- + null +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> 5; + ?column? +---------- + +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> -1; + ?column? +---------- + null +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> -5; + ?column? +---------- + "a" +(1 row) + +SELECT '["a","b","c",[1,2],null]'::jsonb -> -6; + ?column? +---------- + +(1 row) + +--nested path extraction +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{0}'; + ?column? +---------- + +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{a}'; + ?column? +---------- + "b" +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c}'; + ?column? +----------- + [1, 2, 3] +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,0}'; + ?column? +---------- + 1 +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,1}'; + ?column? +---------- + 2 +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,2}'; + ?column? +---------- + 3 +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,3}'; + ?column? +---------- + +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-1}'; + ?column? +---------- + 3 +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-3}'; + ?column? +---------- + 1 +(1 row) + +SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-4}'; + ?column? +---------- + +(1 row) + +SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{0}'; + ?column? +---------- + 0 +(1 row) + +SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{3}'; + ?column? +---------- + [3, 4] +(1 row) + +SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4}'; + ?column? +--------------- + {"5": "five"} +(1 row) + +SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4,5}'; + ?column? +---------- + "five" +(1 row) + +--nested exists +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'n'; + ?column? +---------- + t +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'a'; + ?column? +---------- + t +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'b'; + ?column? +---------- + t +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'c'; + ?column? +---------- + t +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'd'; + ?column? +---------- + t +(1 row) + +SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'e'; + ?column? +---------- + f +(1 row) + +-- jsonb_strip_nulls +select jsonb_strip_nulls(null); + jsonb_strip_nulls +------------------- + +(1 row) + +select jsonb_strip_nulls('1'); + jsonb_strip_nulls +------------------- + 1 +(1 row) + +select jsonb_strip_nulls('"a string"'); + jsonb_strip_nulls +------------------- + "a string" +(1 row) + +select jsonb_strip_nulls('null'); + jsonb_strip_nulls +------------------- + null +(1 row) + +select jsonb_strip_nulls('[1,2,null,3,4]'); + jsonb_strip_nulls +-------------------- + [1, 2, null, 3, 4] +(1 row) + +select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}'); + jsonb_strip_nulls +-------------------------------------------- + {"a": 1, "c": [2, null, 3], "d": {"e": 4}} +(1 row) + +select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]'); + jsonb_strip_nulls +-------------------------- + [1, {"a": 1, "c": 2}, 3] +(1 row) + +-- an empty object is not null and should not be stripped +select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }'); + jsonb_strip_nulls +-------------------- + {"a": {}, "d": {}} +(1 row) + +select jsonb_pretty('{"a": "test", "b": [1, 2, 3], "c": "test3", "d":{"dd": "test4", "dd2":{"ddd": "test5"}}}'); + jsonb_pretty +---------------------------- + { + + "a": "test", + + "b": [ + + 1, + + 2, + + 3 + + ], + + "c": "test3", + + "d": { + + "dd": "test4", + + "dd2": { + + "ddd": "test5"+ + } + + } + + } +(1 row) + +select jsonb_pretty('[{"f1":1,"f2":null},2,null,[[{"x":true},6,7],8],3]'); + jsonb_pretty +--------------------------- + [ + + { + + "f1": 1, + + "f2": null + + }, + + 2, + + null, + + [ + + [ + + { + + "x": true+ + }, + + 6, + + 7 + + ], + + 8 + + ], + + 3 + + ] +(1 row) + +select jsonb_pretty('{"a":["b", "c"], "d": {"e":"f"}}'); + jsonb_pretty +------------------ + { + + "a": [ + + "b", + + "c" + + ], + + "d": { + + "e": "f"+ + } + + } +(1 row) + +select jsonb_concat('{"d": "test", "a": [1, 2]}', '{"g": "test2", "c": {"c1":1, "c2":2}}'); + jsonb_concat +------------------------------------------------------------------- + {"a": [1, 2], "c": {"c1": 1, "c2": 2}, "d": "test", "g": "test2"} +(1 row) + +select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"cq":"l", "b":"g", "fg":false}'; + ?column? +--------------------------------------------- + {"b": "g", "aa": 1, "cq": "l", "fg": false} +(1 row) + +select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aq":"l"}'; + ?column? +--------------------------------------- + {"b": 2, "aa": 1, "aq": "l", "cq": 3} +(1 row) + +select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aa":"l"}'; + ?column? +------------------------------ + {"b": 2, "aa": "l", "cq": 3} +(1 row) + +select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{}'; + ?column? +---------------------------- + {"b": 2, "aa": 1, "cq": 3} +(1 row) + +select '["a", "b"]'::jsonb || '["c"]'; + ?column? +----------------- + ["a", "b", "c"] +(1 row) + +select '["a", "b"]'::jsonb || '["c", "d"]'; + ?column? +---------------------- + ["a", "b", "c", "d"] +(1 row) + +select '["c"]' || '["a", "b"]'::jsonb; + ?column? +----------------- + ["c", "a", "b"] +(1 row) + +select '["a", "b"]'::jsonb || '"c"'; + ?column? +----------------- + ["a", "b", "c"] +(1 row) + +select '"c"' || '["a", "b"]'::jsonb; + ?column? +----------------- + ["c", "a", "b"] +(1 row) + +select '[]'::jsonb || '["a"]'::jsonb; + ?column? +---------- + ["a"] +(1 row) + +select '[]'::jsonb || '"a"'::jsonb; + ?column? +---------- + ["a"] +(1 row) + +select '"b"'::jsonb || '"a"'::jsonb; + ?column? +------------ + ["b", "a"] +(1 row) + +select '{}'::jsonb || '{"a":"b"}'::jsonb; + ?column? +------------ + {"a": "b"} +(1 row) + +select '[]'::jsonb || '{"a":"b"}'::jsonb; + ?column? +-------------- + [{"a": "b"}] +(1 row) + +select '{"a":"b"}'::jsonb || '[]'::jsonb; + ?column? +-------------- + [{"a": "b"}] +(1 row) + +select '"a"'::jsonb || '{"a":1}'; + ?column? +----------------- + ["a", {"a": 1}] +(1 row) + +select '{"a":1}' || '"a"'::jsonb; + ?column? +----------------- + [{"a": 1}, "a"] +(1 row) + +select '[3]'::jsonb || '{}'::jsonb; + ?column? +---------- + [3, {}] +(1 row) + +select '3'::jsonb || '[]'::jsonb; + ?column? +---------- + [3] +(1 row) + +select '3'::jsonb || '4'::jsonb; + ?column? +---------- + [3, 4] +(1 row) + +select '3'::jsonb || '{}'::jsonb; + ?column? +---------- + [3, {}] +(1 row) + +select '["a", "b"]'::jsonb || '{"c":1}'; + ?column? +---------------------- + ["a", "b", {"c": 1}] +(1 row) + +select '{"c": 1}'::jsonb || '["a", "b"]'; + ?column? +---------------------- + [{"c": 1}, "a", "b"] +(1 row) + +select '{}'::jsonb || '{"cq":"l", "b":"g", "fg":false}'; + ?column? +------------------------------------ + {"b": "g", "cq": "l", "fg": false} +(1 row) + +select pg_column_size('{}'::jsonb || '{}'::jsonb) = pg_column_size('{}'::jsonb); + ?column? +---------- + t +(1 row) + +select pg_column_size('{"aa":1}'::jsonb || '{"b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); + ?column? +---------- + t +(1 row) + +select pg_column_size('{"aa":1, "b":2}'::jsonb || '{}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); + ?column? +---------- + t +(1 row) + +select pg_column_size('{}'::jsonb || '{"aa":1, "b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); + ?column? +---------- + t +(1 row) + +select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'a'); + jsonb_delete +------------------ + {"b": 2, "c": 3} +(1 row) + +select jsonb_delete('{"a":null , "b":2, "c":3}'::jsonb, 'a'); + jsonb_delete +------------------ + {"b": 2, "c": 3} +(1 row) + +select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'b'); + jsonb_delete +------------------ + {"a": 1, "c": 3} +(1 row) + +select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'c'); + jsonb_delete +------------------ + {"a": 1, "b": 2} +(1 row) + +select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'd'); + jsonb_delete +-------------------------- + {"a": 1, "b": 2, "c": 3} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - 'a'; + ?column? +------------------ + {"b": 2, "c": 3} +(1 row) + +select '{"a":null , "b":2, "c":3}'::jsonb - 'a'; + ?column? +------------------ + {"b": 2, "c": 3} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - 'b'; + ?column? +------------------ + {"a": 1, "c": 3} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - 'c'; + ?column? +------------------ + {"a": 1, "b": 2} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - 'd'; + ?column? +-------------------------- + {"a": 1, "b": 2, "c": 3} +(1 row) + +select pg_column_size('{"a":1 , "b":2, "c":3}'::jsonb - 'b') = pg_column_size('{"a":1, "b":2}'::jsonb); + ?column? +---------- + t +(1 row) + +select '["a","b","c"]'::jsonb - 3; + ?column? +----------------- + ["a", "b", "c"] +(1 row) + +select '["a","b","c"]'::jsonb - 2; + ?column? +------------ + ["a", "b"] +(1 row) + +select '["a","b","c"]'::jsonb - 1; + ?column? +------------ + ["a", "c"] +(1 row) + +select '["a","b","c"]'::jsonb - 0; + ?column? +------------ + ["b", "c"] +(1 row) + +select '["a","b","c"]'::jsonb - -1; + ?column? +------------ + ["a", "b"] +(1 row) + +select '["a","b","c"]'::jsonb - -2; + ?column? +------------ + ["a", "c"] +(1 row) + +select '["a","b","c"]'::jsonb - -3; + ?column? +------------ + ["b", "c"] +(1 row) + +select '["a","b","c"]'::jsonb - -4; + ?column? +----------------- + ["a", "b", "c"] +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - '{b}'::text[]; + ?column? +------------------ + {"a": 1, "c": 3} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - '{c,b}'::text[]; + ?column? +---------- + {"a": 1} +(1 row) + +select '{"a":1 , "b":2, "c":3}'::jsonb - '{}'::text[]; + ?column? +-------------------------- + {"a": 1, "b": 2, "c": 3} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '[1,2,3]'); + jsonb_set +-------------------------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": [1, 2, 3]} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '[1,2,3]'); + jsonb_set +----------------------------------------------------------------------------- + {"a": 1, "b": [1, [1, 2, 3]], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '[1,2,3]'); + jsonb_set +----------------------------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [[1, 2, 3], 3]}, "n": null} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '[1,2,3]'); +ERROR: path element at position 2 is null +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '{"1": 2}'); + jsonb_set +------------------------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": {"1": 2}} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"1": 2}'); + jsonb_set +---------------------------------------------------------------------------- + {"a": 1, "b": [1, {"1": 2}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '{"1": 2}'); + jsonb_set +---------------------------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [{"1": 2}, 3]}, "n": null} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '{"1": 2}'); +ERROR: path element at position 2 is null +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '"test"'); + jsonb_set +-------------------------------------------------------------------------- + {"a": 1, "b": [1, "test"], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"f": "test"}'); + jsonb_set +--------------------------------------------------------------------------------- + {"a": 1, "b": [1, {"f": "test"}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{n}'); + jsonb_delete_path +---------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}} +(1 row) + +select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{b,-1}'); + jsonb_delete_path +------------------------------------------------------------------ + {"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{d,1,0}'); + jsonb_delete_path +------------------------------------------------------------------ + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null} +(1 row) + +select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{n}'; + ?column? +---------------------------------------------------------- + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}} +(1 row) + +select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1}'; + ?column? +------------------------------------------------------------------ + {"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} +(1 row) + +select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1e}'; -- invalid array subscript +ERROR: path element at position 2 is not an integer: "-1e" +select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{d,1,0}'; + ?column? +------------------------------------------------------------------ + {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null} +(1 row) + +-- empty structure and error conditions for delete and replace +select '"a"'::jsonb - 'a'; -- error +ERROR: cannot delete from scalar +select '{}'::jsonb - 'a'; + ?column? +---------- + {} +(1 row) + +select '[]'::jsonb - 'a'; + ?column? +---------- + [] +(1 row) + +select '"a"'::jsonb - 1; -- error +ERROR: cannot delete from scalar +select '{}'::jsonb - 1; -- error +ERROR: cannot delete from object using integer index +select '[]'::jsonb - 1; + ?column? +---------- + [] +(1 row) + +select '"a"'::jsonb #- '{a}'; -- error +ERROR: cannot delete path in scalar +select '{}'::jsonb #- '{a}'; + ?column? +---------- + {} +(1 row) + +select '[]'::jsonb #- '{a}'; + ?column? +---------- + [] +(1 row) + +select jsonb_set('"a"','{a}','"b"'); --error +ERROR: cannot set path in scalar +select jsonb_set('{}','{a}','"b"', false); + jsonb_set +----------- + {} +(1 row) + +select jsonb_set('[]','{1}','"b"', false); + jsonb_set +----------- + [] +(1 row) + +select jsonb_set('[{"f1":1,"f2":null},2,null,3]', '{0}','[2,3,4]', false); + jsonb_set +------------------------- + [[2, 3, 4], 2, null, 3] +(1 row) + +-- jsonb_set adding instead of replacing +-- prepend to array +select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,-33}','{"foo":123}'); + jsonb_set +------------------------------------------------------- + {"a": 1, "b": [{"foo": 123}, 0, 1, 2], "c": {"d": 4}} +(1 row) + +-- append to array +select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,33}','{"foo":123}'); + jsonb_set +------------------------------------------------------- + {"a": 1, "b": [0, 1, 2, {"foo": 123}], "c": {"d": 4}} +(1 row) + +-- check nesting levels addition +select jsonb_set('{"a":1,"b":[4,5,[0,1,2],6,7],"c":{"d":4}}','{b,2,33}','{"foo":123}'); + jsonb_set +--------------------------------------------------------------------- + {"a": 1, "b": [4, 5, [0, 1, 2, {"foo": 123}], 6, 7], "c": {"d": 4}} +(1 row) + +-- add new key +select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{c,e}','{"foo":123}'); + jsonb_set +------------------------------------------------------------ + {"a": 1, "b": [0, 1, 2], "c": {"d": 4, "e": {"foo": 123}}} +(1 row) + +-- adding doesn't do anything if elements before last aren't present +select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,-33}','{"foo":123}'); + jsonb_set +----------------------------------------- + {"a": 1, "b": [0, 1, 2], "c": {"d": 4}} +(1 row) + +select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,y}','{"foo":123}'); + jsonb_set +----------------------------------------- + {"a": 1, "b": [0, 1, 2], "c": {"d": 4}} +(1 row) + +-- add to empty object +select jsonb_set('{}','{x}','{"foo":123}'); + jsonb_set +--------------------- + {"x": {"foo": 123}} +(1 row) + +--add to empty array +select jsonb_set('[]','{0}','{"foo":123}'); + jsonb_set +---------------- + [{"foo": 123}] +(1 row) + +select jsonb_set('[]','{99}','{"foo":123}'); + jsonb_set +---------------- + [{"foo": 123}] +(1 row) + +select jsonb_set('[]','{-99}','{"foo":123}'); + jsonb_set +---------------- + [{"foo": 123}] +(1 row) + +select jsonb_set('{"a": [1, 2, 3]}', '{a, non_integer}', '"new_value"'); +ERROR: path element at position 2 is not an integer: "non_integer" +select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, non_integer}', '"new_value"'); +ERROR: path element at position 3 is not an integer: "non_integer" +select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, NULL}', '"new_value"'); +ERROR: path element at position 3 is null +-- jsonb_set_lax +\pset null NULL +-- pass though non nulls to jsonb_set +select jsonb_set_lax('{"a":1,"b":2}','{b}','5') ; + jsonb_set_lax +------------------ + {"a": 1, "b": 5} +(1 row) + +select jsonb_set_lax('{"a":1,"b":2}','{d}','6', true) ; + jsonb_set_lax +-------------------------- + {"a": 1, "b": 2, "d": 6} +(1 row) + +-- using the default treatment +select jsonb_set_lax('{"a":1,"b":2}','{b}',null); + jsonb_set_lax +--------------------- + {"a": 1, "b": null} +(1 row) + +select jsonb_set_lax('{"a":1,"b":2}','{d}',null,true); + jsonb_set_lax +----------------------------- + {"a": 1, "b": 2, "d": null} +(1 row) + +-- errors +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, null); +ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception" +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, 'no_such_treatment'); +ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception" +-- explicit treatments +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'raise_exception') as raise_exception; +ERROR: JSON value must not be null +DETAIL: Exception was raised because null_value_treatment is "raise_exception". +HINT: To avoid, either change the null_value_treatment argument or ensure that an SQL NULL is not passed. +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'return_target') as return_target; + return_target +------------------ + {"a": 1, "b": 2} +(1 row) + +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'delete_key') as delete_key; + delete_key +------------ + {"a": 1} +(1 row) + +select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'use_json_null') as use_json_null; + use_json_null +--------------------- + {"a": 1, "b": null} +(1 row) + +\pset null '' +-- jsonb_insert +select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": [0, "new_value", 1, 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"', true); + jsonb_insert +------------------------------- + {"a": [0, 1, "new_value", 2]} +(1 row) + +select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"'); + jsonb_insert +------------------------------------------------------------ + {"a": {"b": {"c": [0, 1, "new_value", "test1", "test2"]}}} +(1 row) + +select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"', true); + jsonb_insert +------------------------------------------------------------ + {"a": {"b": {"c": [0, 1, "test1", "new_value", "test2"]}}} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '{"b": "value"}'); + jsonb_insert +---------------------------------- + {"a": [0, {"b": "value"}, 1, 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '["value1", "value2"]'); + jsonb_insert +---------------------------------------- + {"a": [0, ["value1", "value2"], 1, 2]} +(1 row) + +-- edge cases +select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": ["new_value", 0, 1, 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"', true); + jsonb_insert +------------------------------- + {"a": [0, "new_value", 1, 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": [0, 1, "new_value", 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"', true); + jsonb_insert +------------------------------- + {"a": [0, 1, 2, "new_value"]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": [0, 1, "new_value", 2]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"', true); + jsonb_insert +------------------------------- + {"a": [0, 1, 2, "new_value"]} +(1 row) + +select jsonb_insert('[]', '{1}', '"new_value"'); + jsonb_insert +--------------- + ["new_value"] +(1 row) + +select jsonb_insert('[]', '{1}', '"new_value"', true); + jsonb_insert +--------------- + ["new_value"] +(1 row) + +select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"'); + jsonb_insert +---------------------- + {"a": ["new_value"]} +(1 row) + +select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"', true); + jsonb_insert +---------------------- + {"a": ["new_value"]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, 10}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": [0, 1, 2, "new_value"]} +(1 row) + +select jsonb_insert('{"a": [0,1,2]}', '{a, -10}', '"new_value"'); + jsonb_insert +------------------------------- + {"a": ["new_value", 0, 1, 2]} +(1 row) + +-- jsonb_insert should be able to insert new value for objects, but not to replace +select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"'); + jsonb_insert +----------------------------------------- + {"a": {"b": "value", "c": "new_value"}} +(1 row) + +select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"', true); + jsonb_insert +----------------------------------------- + {"a": {"b": "value", "c": "new_value"}} +(1 row) + +select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"'); +ERROR: cannot replace existing key +HINT: Try using the function jsonb_set to replace key value. +select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"', true); +ERROR: cannot replace existing key +HINT: Try using the function jsonb_set to replace key value. +-- jsonb subscript +select ('123'::jsonb)['a']; + jsonb +------- + +(1 row) + +select ('123'::jsonb)[0]; + jsonb +------- + +(1 row) + +select ('123'::jsonb)[NULL]; + jsonb +------- + +(1 row) + +select ('{"a": 1}'::jsonb)['a']; + jsonb +------- + 1 +(1 row) + +select ('{"a": 1}'::jsonb)[0]; + jsonb +------- + +(1 row) + +select ('{"a": 1}'::jsonb)['not_exist']; + jsonb +------- + +(1 row) + +select ('{"a": 1}'::jsonb)[NULL]; + jsonb +------- + +(1 row) + +select ('[1, "2", null]'::jsonb)['a']; + jsonb +------- + +(1 row) + +select ('[1, "2", null]'::jsonb)[0]; + jsonb +------- + 1 +(1 row) + +select ('[1, "2", null]'::jsonb)['1']; + jsonb +------- + "2" +(1 row) + +select ('[1, "2", null]'::jsonb)[1.0]; +ERROR: subscript type numeric is not supported +LINE 1: select ('[1, "2", null]'::jsonb)[1.0]; + ^ +HINT: jsonb subscript must be coercible to either integer or text. +select ('[1, "2", null]'::jsonb)[2]; + jsonb +------- + null +(1 row) + +select ('[1, "2", null]'::jsonb)[3]; + jsonb +------- + +(1 row) + +select ('[1, "2", null]'::jsonb)[-2]; + jsonb +------- + "2" +(1 row) + +select ('[1, "2", null]'::jsonb)[1]['a']; + jsonb +------- + +(1 row) + +select ('[1, "2", null]'::jsonb)[1][0]; + jsonb +------- + +(1 row) + +select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['b']; + jsonb +------- + "c" +(1 row) + +select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d']; + jsonb +----------- + [1, 2, 3] +(1 row) + +select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d'][1]; + jsonb +------- + 2 +(1 row) + +select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d']['a']; + jsonb +------- + +(1 row) + +select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']; + jsonb +--------------- + {"a2": "aaa"} +(1 row) + +select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2']; + jsonb +------- + "aaa" +(1 row) + +select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2']['a3']; + jsonb +------- + +(1 row) + +select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1']; + jsonb +----------------------- + ["aaa", "bbb", "ccc"] +(1 row) + +select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1'][2]; + jsonb +------- + "ccc" +(1 row) + +-- slices are not supported +select ('{"a": 1}'::jsonb)['a':'b']; +ERROR: jsonb subscript does not support slices +LINE 1: select ('{"a": 1}'::jsonb)['a':'b']; + ^ +select ('[1, "2", null]'::jsonb)[1:2]; +ERROR: jsonb subscript does not support slices +LINE 1: select ('[1, "2", null]'::jsonb)[1:2]; + ^ +select ('[1, "2", null]'::jsonb)[:2]; +ERROR: jsonb subscript does not support slices +LINE 1: select ('[1, "2", null]'::jsonb)[:2]; + ^ +select ('[1, "2", null]'::jsonb)[1:]; +ERROR: jsonb subscript does not support slices +LINE 1: select ('[1, "2", null]'::jsonb)[1:]; + ^ +select ('[1, "2", null]'::jsonb)[:]; +ERROR: jsonb subscript does not support slices +create TEMP TABLE test_jsonb_subscript ( + id int, + test_json jsonb +); +insert into test_jsonb_subscript values +(1, '{}'), -- empty jsonb +(2, '{"key": "value"}'); -- jsonb with data +-- update empty jsonb +update test_jsonb_subscript set test_json['a'] = '1' where id = 1; +select * from test_jsonb_subscript; + id | test_json +----+------------------ + 2 | {"key": "value"} + 1 | {"a": 1} +(2 rows) + +-- update jsonb with some data +update test_jsonb_subscript set test_json['a'] = '1' where id = 2; +select * from test_jsonb_subscript; + id | test_json +----+-------------------------- + 1 | {"a": 1} + 2 | {"a": 1, "key": "value"} +(2 rows) + +-- replace jsonb +update test_jsonb_subscript set test_json['a'] = '"test"'; +select * from test_jsonb_subscript; + id | test_json +----+------------------------------- + 1 | {"a": "test"} + 2 | {"a": "test", "key": "value"} +(2 rows) + +-- replace by object +update test_jsonb_subscript set test_json['a'] = '{"b": 1}'::jsonb; +select * from test_jsonb_subscript; + id | test_json +----+--------------------------------- + 1 | {"a": {"b": 1}} + 2 | {"a": {"b": 1}, "key": "value"} +(2 rows) + +-- replace by array +update test_jsonb_subscript set test_json['a'] = '[1, 2, 3]'::jsonb; +select * from test_jsonb_subscript; + id | test_json +----+---------------------------------- + 1 | {"a": [1, 2, 3]} + 2 | {"a": [1, 2, 3], "key": "value"} +(2 rows) + +-- use jsonb subscription in where clause +select * from test_jsonb_subscript where test_json['key'] = '"value"'; + id | test_json +----+---------------------------------- + 2 | {"a": [1, 2, 3], "key": "value"} +(1 row) + +select * from test_jsonb_subscript where test_json['key_doesnt_exists'] = '"value"'; + id | test_json +----+----------- +(0 rows) + +select * from test_jsonb_subscript where test_json['key'] = '"wrong_value"'; + id | test_json +----+----------- +(0 rows) + +-- NULL +update test_jsonb_subscript set test_json[NULL] = '1'; +ERROR: jsonb subscript in assignment must not be null +update test_jsonb_subscript set test_json['another_key'] = NULL; +select * from test_jsonb_subscript; + id | test_json +----+------------------------------------------------------- + 1 | {"a": [1, 2, 3], "another_key": null} + 2 | {"a": [1, 2, 3], "key": "value", "another_key": null} +(2 rows) + +-- NULL as jsonb source +insert into test_jsonb_subscript values (3, NULL); +update test_jsonb_subscript set test_json['a'] = '1' where id = 3; +select * from test_jsonb_subscript; + id | test_json +----+------------------------------------------------------- + 1 | {"a": [1, 2, 3], "another_key": null} + 2 | {"a": [1, 2, 3], "key": "value", "another_key": null} + 3 | {"a": 1} +(3 rows) + +update test_jsonb_subscript set test_json = NULL where id = 3; +update test_jsonb_subscript set test_json[0] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+--------------------------------------------------------------- + 1 | {"0": 1, "a": [1, 2, 3], "another_key": null} + 2 | {"0": 1, "a": [1, 2, 3], "key": "value", "another_key": null} + 3 | [1] +(3 rows) + +-- Fill the gaps logic +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '[0]'); +update test_jsonb_subscript set test_json[5] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+-------------------------------- + 1 | [0, null, null, null, null, 1] +(1 row) + +update test_jsonb_subscript set test_json[-4] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+----------------------------- + 1 | [0, null, 1, null, null, 1] +(1 row) + +update test_jsonb_subscript set test_json[-8] = '1'; +ERROR: path element at position 1 is out of range: -8 +select * from test_jsonb_subscript; + id | test_json +----+----------------------------- + 1 | [0, null, 1, null, null, 1] +(1 row) + +-- keep consistent values position +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '[]'); +update test_jsonb_subscript set test_json[5] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+----------------------------------- + 1 | [null, null, null, null, null, 1] +(1 row) + +-- create the whole path +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{}'); +update test_jsonb_subscript set test_json['a'][0]['b'][0]['c'] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+---------------------------- + 1 | {"a": [{"b": [{"c": 1}]}]} +(1 row) + +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{}'); +update test_jsonb_subscript set test_json['a'][2]['b'][2]['c'][2] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+------------------------------------------------------------------ + 1 | {"a": [null, null, {"b": [null, null, {"c": [null, null, 1]}]}]} +(1 row) + +-- create the whole path with already existing keys +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{"b": 1}'); +update test_jsonb_subscript set test_json['a'][0] = '2'; +select * from test_jsonb_subscript; + id | test_json +----+-------------------- + 1 | {"a": [2], "b": 1} +(1 row) + +-- the start jsonb is an object, first subscript is treated as a key +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{}'); +update test_jsonb_subscript set test_json[0]['a'] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+----------------- + 1 | {"0": {"a": 1}} +(1 row) + +-- the start jsonb is an array +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '[]'); +update test_jsonb_subscript set test_json[0]['a'] = '1'; +update test_jsonb_subscript set test_json[2]['b'] = '2'; +select * from test_jsonb_subscript; + id | test_json +----+---------------------------- + 1 | [{"a": 1}, null, {"b": 2}] +(1 row) + +-- overwriting an existing path +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{}'); +update test_jsonb_subscript set test_json['a']['b'][1] = '1'; +update test_jsonb_subscript set test_json['a']['b'][10] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+---------------------------------------------------------------------------- + 1 | {"a": {"b": [null, 1, null, null, null, null, null, null, null, null, 1]}} +(1 row) + +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '[]'); +update test_jsonb_subscript set test_json[0][0][0] = '1'; +update test_jsonb_subscript set test_json[0][0][1] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+------------ + 1 | [[[1, 1]]] +(1 row) + +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{}'); +update test_jsonb_subscript set test_json['a']['b'][10] = '1'; +update test_jsonb_subscript set test_json['a'][10][10] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+------------------------------------------------------------------------------------------------------------------------------------------------------ + 1 | {"a": {"b": [null, null, null, null, null, null, null, null, null, null, 1], "10": [null, null, null, null, null, null, null, null, null, null, 1]}} +(1 row) + +-- an empty sub element +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{"a": {}}'); +update test_jsonb_subscript set test_json['a']['b']['c'][2] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+-------------------------------------- + 1 | {"a": {"b": {"c": [null, null, 1]}}} +(1 row) + +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{"a": []}'); +update test_jsonb_subscript set test_json['a'][1]['c'][2] = '1'; +select * from test_jsonb_subscript; + id | test_json +----+--------------------------------------- + 1 | {"a": [null, {"c": [null, null, 1]}]} +(1 row) + +-- trying replace assuming a composite object, but it's an element or a value +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, '{"a": 1}'); +update test_jsonb_subscript set test_json['a']['b'] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +update test_jsonb_subscript set test_json['a']['b']['c'] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +update test_jsonb_subscript set test_json['a'][0] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +update test_jsonb_subscript set test_json['a'][0]['c'] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +update test_jsonb_subscript set test_json['a'][0][0] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +-- trying replace assuming a composite object, but it's a raw scalar +delete from test_jsonb_subscript; +insert into test_jsonb_subscript values (1, 'null'); +update test_jsonb_subscript set test_json[0] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +update test_jsonb_subscript set test_json[0][0] = '1'; +ERROR: cannot replace existing key +DETAIL: The path assumes key is a composite object, but it is a scalar value. +-- try some things with short-header and toasted subscript values +drop table test_jsonb_subscript; +create temp table test_jsonb_subscript ( + id text, + test_json jsonb +); +insert into test_jsonb_subscript values('foo', '{"foo": "bar"}'); +insert into test_jsonb_subscript + select s, ('{"' || s || '": "bar"}')::jsonb from repeat('xyzzy', 500) s; +select length(id), test_json[id] from test_jsonb_subscript; + length | test_json +--------+----------- + 3 | "bar" + 2500 | "bar" +(2 rows) + +update test_jsonb_subscript set test_json[id] = '"baz"'; +select length(id), test_json[id] from test_jsonb_subscript; + length | test_json +--------+----------- + 3 | "baz" + 2500 | "baz" +(2 rows) + +\x +table test_jsonb_subscript; +-[ RECORD 1 ]-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +id | foo +test_json | {"foo": "baz"} +-[ RECORD 2 ]-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +id | xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy +test_json | {"xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy": "baz"} + +\x +-- jsonb to tsvector +select to_tsvector('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::jsonb); + to_tsvector +--------------------------------------------------------------------------- + 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 +(1 row) + +-- jsonb to tsvector with config +select to_tsvector('simple', '{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::jsonb); + to_tsvector +--------------------------------------------------------------------------- + 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 +(1 row) + +-- jsonb to tsvector with stop words +select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": ["the eee fff ggg"], "c": {"d": "hhh. iii"}}'::jsonb); + to_tsvector +---------------------------------------------------------------------------- + 'aaa':1 'bbb':3 'ccc':5 'ddd':4 'eee':8 'fff':9 'ggg':10 'hhh':12 'iii':13 +(1 row) + +-- jsonb to tsvector with numeric values +select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": 123, "c": 456}'::jsonb); + to_tsvector +--------------------------------- + 'aaa':1 'bbb':3 'ccc':5 'ddd':4 +(1 row) + +-- jsonb_to_tsvector +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"all"'); + jsonb_to_tsvector +---------------------------------------------------------------------------------------- + '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"key"'); + jsonb_to_tsvector +-------------------------------- + 'b':2 'c':4 'd':6 'f':8 'g':10 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"string"'); + jsonb_to_tsvector +------------------- + 'aaa':1 'bbb':3 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"numeric"'); + jsonb_to_tsvector +------------------- + '123':1 '456':3 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"boolean"'); + jsonb_to_tsvector +------------------- + 'fals':3 'true':1 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["string", "numeric"]'); + jsonb_to_tsvector +--------------------------------- + '123':5 '456':7 'aaa':1 'bbb':3 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"all"'); + jsonb_to_tsvector +---------------------------------------------------------------------------------------- + '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"key"'); + jsonb_to_tsvector +-------------------------------- + 'b':2 'c':4 'd':6 'f':8 'g':10 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"string"'); + jsonb_to_tsvector +------------------- + 'aaa':1 'bbb':3 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"numeric"'); + jsonb_to_tsvector +------------------- + '123':1 '456':3 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"boolean"'); + jsonb_to_tsvector +------------------- + 'fals':3 'true':1 +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["string", "numeric"]'); + jsonb_to_tsvector +--------------------------------- + '123':5 '456':7 'aaa':1 'bbb':3 +(1 row) + +-- to_tsvector corner cases +select to_tsvector('""'::jsonb); + to_tsvector +------------- + +(1 row) + +select to_tsvector('{}'::jsonb); + to_tsvector +------------- + +(1 row) + +select to_tsvector('[]'::jsonb); + to_tsvector +------------- + +(1 row) + +select to_tsvector('null'::jsonb); + to_tsvector +------------- + +(1 row) + +-- jsonb_to_tsvector corner cases +select jsonb_to_tsvector('""'::jsonb, '"all"'); + jsonb_to_tsvector +------------------- + +(1 row) + +select jsonb_to_tsvector('{}'::jsonb, '"all"'); + jsonb_to_tsvector +------------------- + +(1 row) + +select jsonb_to_tsvector('[]'::jsonb, '"all"'); + jsonb_to_tsvector +------------------- + +(1 row) + +select jsonb_to_tsvector('null'::jsonb, '"all"'); + jsonb_to_tsvector +------------------- + +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '""'); +ERROR: wrong flag in flag array: "" +HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '{}'); +ERROR: wrong flag type, only arrays and scalars are allowed +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '[]'); + jsonb_to_tsvector +------------------- + +(1 row) + +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, 'null'); +ERROR: flag array element is not a string +HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". +select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["all", null]'); +ERROR: flag array element is not a string +HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". +-- ts_headline for jsonb +select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::jsonb, 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"]}'::jsonb, 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"]}'::jsonb, 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"]}'::jsonb, 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 jsonb +select ts_headline('null'::jsonb, tsquery('aaa & bbb')); + ts_headline +------------- + null +(1 row) + +select ts_headline('{}'::jsonb, tsquery('aaa & bbb')); + ts_headline +------------- + {} +(1 row) + +select ts_headline('[]'::jsonb, tsquery('aaa & bbb')); + ts_headline +------------- + [] +(1 row) + +-- casts +select 'true'::jsonb::bool; + bool +------ + t +(1 row) + +select '[]'::jsonb::bool; +ERROR: cannot cast jsonb array to type boolean +select '1.0'::jsonb::float; + float8 +-------- + 1 +(1 row) + +select '[1.0]'::jsonb::float; +ERROR: cannot cast jsonb array to type double precision +select '12345'::jsonb::int4; + int4 +------- + 12345 +(1 row) + +select '"hello"'::jsonb::int4; +ERROR: cannot cast jsonb string to type integer +select '12345'::jsonb::numeric; + numeric +--------- + 12345 +(1 row) + +select '{}'::jsonb::numeric; +ERROR: cannot cast jsonb object to type numeric +select '12345.05'::jsonb::numeric; + numeric +---------- + 12345.05 +(1 row) + +select '12345.05'::jsonb::float4; + float4 +---------- + 12345.05 +(1 row) + +select '12345.05'::jsonb::float8; + float8 +---------- + 12345.05 +(1 row) + +select '12345.05'::jsonb::int2; + int2 +------- + 12345 +(1 row) + +select '12345.05'::jsonb::int4; + int4 +------- + 12345 +(1 row) + +select '12345.05'::jsonb::int8; + int8 +------- + 12345 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::numeric; + numeric +------------------------------------------------------ + 12345.0000000000000000000000000000000000000000000005 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::float4; + float4 +-------- + 12345 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::float8; + float8 +-------- + 12345 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::int2; + int2 +------- + 12345 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::int4; + int4 +------- + 12345 +(1 row) + +select '12345.0000000000000000000000000000000000000000000005'::jsonb::int8; + int8 +------- + 12345 +(1 row) + |