-- directory paths are passed to us in environment variables
\getenv abs_srcdir PG_ABS_SRCDIR
CREATETABLE testjsonb (
j jsonb
);
\set filename :abs_srcdir '/data/jsonb.data'
COPY testjsonb FROM :'filename';
-- Strings. SELECT'""'::jsonb; -- OK. SELECT $$''$$::jsonb; -- ERROR, single quotes are not allowed SELECT'"abc"'::jsonb; -- OK SELECT'"abc'::jsonb; -- ERROR, quotes not closed SELECT'"abc
def"'::jsonb; -- ERROR, unescaped newline in string constant SELECT'"\n\"\\"'::jsonb; -- OK, legal escapes SELECT'"\v"'::jsonb; -- ERROR, not a valid JSON escape -- see json_encoding test for input with unicode escapes
-- Numbers. SELECT'1'::jsonb; -- OK SELECT'0'::jsonb; -- OK SELECT'01'::jsonb; -- ERROR, not valid according to JSON spec SELECT'0.1'::jsonb; -- OK SELECT'9223372036854775808'::jsonb; -- OK, even though it's too large for int8 SELECT'1e100'::jsonb; -- OK SELECT'1.3e100'::jsonb; -- OK SELECT'1f2'::jsonb; -- ERROR SELECT'0.x1'::jsonb; -- ERROR SELECT'1.3ex100'::jsonb; -- ERROR
-- Arrays. SELECT'[]'::jsonb; -- OK SELECT'[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::jsonb; -- OK SELECT'[1,2]'::jsonb; -- OK SELECT'[1,2,]'::jsonb; -- ERROR, trailing comma SELECT'[1,2'::jsonb; -- ERROR, no closing bracket SELECT'[1,[2]'::jsonb; -- ERROR, no closing bracket
-- Objects. SELECT'{}'::jsonb; -- OK SELECT'{"abc"}'::jsonb; -- ERROR, no value SELECT'{"abc":1}'::jsonb; -- OK SELECT'{1:"abc"}'::jsonb; -- ERROR, keys must be strings SELECT'{"abc",1}'::jsonb; -- ERROR, wrong separator SELECT'{"abc"=1}'::jsonb; -- ERROR, totally wrong separator SELECT'{"abc"::1}'::jsonb; -- ERROR, another wrong separator SELECT'{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::jsonb; -- OK SELECT'{"abc":1:2}'::jsonb; -- ERROR, colon in wrong spot SELECT'{"abc":1,3}'::jsonb; -- ERROR, no value
-- Miscellaneous stuff. SELECT'true'::jsonb; -- OK SELECT'false'::jsonb; -- OK SELECT'null'::jsonb; -- OK SELECT' true '::jsonb; -- OK, even with extra whitespace SELECT'true false'::jsonb; -- ERROR, too many values SELECT'true, false'::jsonb; -- ERROR, too many values SELECT'truf'::jsonb; -- ERROR, not a keyword SELECT'trues'::jsonb; -- ERROR, not a keyword SELECT''::jsonb; -- ERROR, no value SELECT' '::jsonb; -- ERROR, no value
-- Multi-line JSON input to check ERROR reporting SELECT'{ "one": 1, "two":"two", "three": true}'::jsonb; -- OK SELECT'{ "one": 1, "two":,"two", -- ERROR extraneous comma before field "two" "three": true}'::jsonb; SELECT'{ "one": 1, "two":"two", "averyveryveryveryveryveryveryveryveryverylongfieldname":}'::jsonb; -- ERROR missing value for last field
-- test non-error-throwing input select pg_input_is_valid('{"a":true}', 'jsonb'); select pg_input_is_valid('{"a":true', 'jsonb'); select * from pg_input_error_info('{"a":true', 'jsonb'); select * from pg_input_error_info('{"a":1e1000000}', 'jsonb');
-- make sure jsonb is passed through json generators without being escaped SELECT array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']);
-- 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 orderby1;
BEGIN; SET LOCAL TIME ZONE 10.5; select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04'); SET LOCAL TIME ZONE -8; select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04'); COMMIT;
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;
SELECT jsonb_agg(q ORDERBY x, y) FROM rows q;
UPDATE rows SET x = NULLWHERE x = 1;
SELECT jsonb_agg(q ORDERBY x NULLS FIRST, y) FROM rows q;
SELECT test_json -> 'x'FROM test_jsonb WHERE json_type = 'scalar'; SELECT test_json -> 'x'FROM test_jsonb WHERE json_type = 'array'; SELECT test_json -> 'x'FROM test_jsonb WHERE json_type = 'object'; SELECT test_json -> 'field2'FROM test_jsonb WHERE json_type = 'object';
SELECT test_json ->> 'field2'FROM test_jsonb WHERE json_type = 'scalar'; SELECT test_json ->> 'field2'FROM test_jsonb WHERE json_type = 'array'; SELECT test_json ->> 'field2'FROM test_jsonb WHERE json_type = 'object';
SELECT test_json -> 2FROM test_jsonb WHERE json_type = 'scalar'; SELECT test_json -> 2FROM test_jsonb WHERE json_type = 'array'; SELECT test_json -> 9FROM test_jsonb WHERE json_type = 'array'; SELECT test_json -> 2FROM test_jsonb WHERE json_type = 'object';
SELECT test_json ->> 6FROM test_jsonb WHERE json_type = 'array'; SELECT test_json ->> 7FROM test_jsonb WHERE json_type = 'array';
SELECT test_json ->> 'field4'FROM test_jsonb WHERE json_type = 'object'; SELECT test_json ->> 'field5'FROM test_jsonb WHERE json_type = 'object'; SELECT test_json ->> 'field6'FROM test_jsonb WHERE json_type = 'object';
SELECT test_json ->> 2FROM test_jsonb WHERE json_type = 'scalar'; SELECT test_json ->> 2FROM test_jsonb WHERE json_type = 'array'; SELECT test_json ->> 2FROM test_jsonb WHERE json_type = 'object';
SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'scalar'; SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'array'; SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object';
-- nulls SELECT (test_json->'field3') ISNULLAS expect_false FROM test_jsonb WHERE json_type = 'object'; SELECT (test_json->>'field3') ISNULLAS expect_true FROM test_jsonb WHERE json_type = 'object'; SELECT (test_json->3) ISNULLAS expect_false FROM test_jsonb WHERE json_type = 'array'; SELECT (test_json->>3) ISNULLAS expect_true FROM test_jsonb WHERE json_type = 'array';
-- each SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}'); SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; SELECT * FROM jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q; SELECT * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}'); SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; SELECT * FROM jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q; SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
-- exists SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a'); SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b'); SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c'); SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a'); SELECT jsonb '{"a":null, "b":"qq"}' ? 'a'; SELECT jsonb '{"a":null, "b":"qq"}' ? 'b'; SELECT jsonb '{"a":null, "b":"qq"}' ? 'c'; SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a'; -- array exists - array elements should behave as keys SELECT count(*) from testjsonb WHERE j->'array' ? 'bar'; -- type sensitive array exists - should return no rows (since "exists" only -- matches strings that are either object keys or array elements) SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text; -- However, a raw scalar is *contained* within the array SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
-- typeof SELECT jsonb_typeof('{}') AS object; SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object; SELECT jsonb_typeof('[]') AS array; SELECT jsonb_typeof('["a", 1]') AS array; SELECT jsonb_typeof('null') AS"null"; SELECT jsonb_typeof('1') AS number; SELECT jsonb_typeof('-1') AS number; SELECT jsonb_typeof('1.0') AS number; SELECT jsonb_typeof('1e2') AS number; SELECT jsonb_typeof('-1.0') AS number; SELECT jsonb_typeof('true') AS boolean; SELECT jsonb_typeof('false') AS boolean; SELECT jsonb_typeof('"hello"') AS string; SELECT jsonb_typeof('"true"') AS string; SELECT jsonb_typeof('"1.0"') AS string;
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; SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q; SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}') q; SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}') q; SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}') q;
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop, '{}') q;
SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"x": 43.2}') q; SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": null}') q; SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": 12345}') q;
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": null}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": 123}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [1, "2", null, 4]}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1, 2], [3, 4]]}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], 2]}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], [2, 3]]}') q; SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": "{1,2,3}"}') q;
SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": null}') q; SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": 123}') q; SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [1, "2", null, 4]}') q; SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [[1, 2, 3]]}') q;
SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": null}') q; SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": 123}') q; SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null, 4]}') q; SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null]}') q;
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [1, "2", null, 4]}') q; SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [null, 4]]}') q; SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[], []]}') q; SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [3]]}') q; SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], 3, 4]}') q;
SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": null}') q; SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": 123}') q; SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [1, "2", null, 4]}') q; SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q;
SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": null}') q; SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaa"}') q; SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaa"}') q; SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaaaaa"}') q;
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": null}') q; SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": 123}') q; SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [1, "2", null, 4]}') q; SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q; SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q;
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": null}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": true}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": 123.45}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "123.45"}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "abc"}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": [123, "123", null, {"key": "value"}]}') q; SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q;
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": null}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": true}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": 123.45}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "123.45"}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "abc"}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q; SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q;
-- populate_recordset SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
-- anonymous record type SELECT jsonb_populate_recordset(null::record, '[{"x": 0, "y": 1}]'); SELECT jsonb_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]'); SELECT i, jsonb_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]') FROM (VALUES (1),(2)) v(i); SELECT * FROM
jsonb_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int);
-- empty array is a corner case SELECT jsonb_populate_recordset(null::record, '[]'); SELECT jsonb_populate_recordset(row(1,2), '[]'); SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[]') q; SELECT * FROM
jsonb_populate_recordset(null::record, '[]') AS (x int, y int);
-- 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); select * from jsonb_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); select * from jsonb_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); select * from jsonb_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b 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);
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);
select *, c isnullas 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);
select *, c isnullas 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);
select * from jsonb_to_record('{"ia": null}') as x(ia _int4); select * from jsonb_to_record('{"ia": 123}') as x(ia _int4); select * from jsonb_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4); select * from jsonb_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4); select * from jsonb_to_record('{"ia": [[1], 2]}') as x(ia _int4); select * from jsonb_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4);
select * from jsonb_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]); select * from jsonb_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]); select * from jsonb_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]);
select * from jsonb_to_record('{"out": {"key": 1}}') as x(out json); select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out json); select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out json); select * from jsonb_to_record('{"out": {"key": 1}}') as x(out jsonb); select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out jsonb); select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb);
-- test type info caching in jsonb_populate_record() CREATE TEMP TABLE jsbpoptest (js jsonb);
SELECT (jsonb_populate_record(NULL::jsbrec, js)).* FROM jsbpoptest;
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}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; SELECT count(*) FROM testjsonb WHERE j ? 'public'; SELECT count(*) FROM testjsonb WHERE j ? 'bar'; SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled']; SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; SELECT count(*) FROM testjsonb WHERE j @? '$'; SELECT count(*) FROM testjsonb WHERE j @? '$.public'; SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
ALTERTABLE testjsonb SET (parallel_workers = 2); CREATEINDEX jidx ON testjsonb USING gin (j); SET enable_seqscan = off;
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}'; SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}'; -- exercise GIN_SEARCH_MODE_ALL SELECT count(*) FROM testjsonb WHERE j @> '{}'; SELECT count(*) FROM testjsonb WHERE j ? 'public'; SELECT count(*) FROM testjsonb WHERE j ? 'bar'; SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
EXPLAIN (COSTS OFF) SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; EXPLAIN (COSTS OFF) SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$'; SELECT count(*) FROM testjsonb WHERE j @? '$.public'; SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
-- array exists - array elements should behave as keys (for GIN index scans too) CREATEINDEX jidx_array ON testjsonb USING gin((j->'array')); SELECT count(*) from testjsonb WHERE j->'array' ? 'bar'; -- type sensitive array exists - should return no rows (since "exists" only -- matches strings that are either object keys or array elements) SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text; -- However, a raw scalar is *contained* within the array SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
RESET enable_seqscan;
SELECT count(*) FROM (SELECT (jsonb_each(j)).keyFROM testjsonb) AS wow; SELECTkey, count(*) FROM (SELECT (jsonb_each(j)).keyFROM testjsonb) AS wow GROUPBYkeyORDERBY count DESC, key;
-- sort/hash SELECT count(distinct j) FROM testjsonb; SET enable_hashagg = off; SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNIONALLSELECT * FROM testjsonb) js GROUPBY j) js2; SET enable_hashagg = on; SET enable_sort = off; SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNIONALLSELECT * FROM testjsonb) js GROUPBY j) js2; SELECTdistinct * FROM (values (jsonb '{}' || ''::text),('{}')) v(j); SET enable_sort = on;
RESET enable_hashagg;
RESET enable_sort;
DROPINDEX jidx; DROPINDEX jidx_array; -- btree CREATEINDEX jidx ON testjsonb USING btree (j); SET enable_seqscan = off;
SELECT count(*) FROM testjsonb WHERE j > '{"p":1}'; SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}';
--gin path opclass DROPINDEX jidx; CREATEINDEX CONCURRENTLY jidx ON testjsonb USING gin (j jsonb_path_ops); SET enable_seqscan = off;
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; -- exercise GIN_SEARCH_MODE_ALL SELECT count(*) FROM testjsonb WHERE j @> '{}';
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)';
EXPLAIN (COSTS OFF) SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; SELECT count(*) FROM testjsonb WHERE j @? '$'; SELECT count(*) FROM testjsonb WHERE j @? '$.public'; SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
set enable_seqscan = on; set enable_bitmapscan = off; select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; select * from nestjsonb where j @> '{"c":3}'; select * from nestjsonb where j @> '[[14]]'; set enable_seqscan = off; set enable_bitmapscan = on; select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; select * from nestjsonb where j @> '{"c":3}'; select * from nestjsonb where j @> '[[14]]';
reset enable_seqscan;
reset enable_bitmapscan;
-- 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"'); select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"', true);
create TEMP TABLE test_jsonb_subscript (
id int,
test_json jsonb
);
insertinto 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;
-- update jsonb with some data update test_jsonb_subscript set test_json['a'] = '1'where id = 2; select * from test_jsonb_subscript;
-- replace jsonb update test_jsonb_subscript set test_json['a'] = '"test"'; select * from test_jsonb_subscript;
-- replace by object update test_jsonb_subscript set test_json['a'] = '{"b": 1}'::jsonb; select * from test_jsonb_subscript;
-- replace by array update test_jsonb_subscript set test_json['a'] = '[1, 2, 3]'::jsonb; select * from test_jsonb_subscript;
-- use jsonb subscription in where clause select * from test_jsonb_subscript where test_json['key'] = '"value"'; select * from test_jsonb_subscript where test_json['key_doesnt_exists'] = '"value"'; select * from test_jsonb_subscript where test_json['key'] = '"wrong_value"';
-- NULL update test_jsonb_subscript set test_json[NULL] = '1'; update test_jsonb_subscript set test_json['another_key'] = NULL; select * from test_jsonb_subscript;
-- NULL as jsonb source insertinto test_jsonb_subscript values (3, NULL); update test_jsonb_subscript set test_json['a'] = '1'where id = 3; select * from test_jsonb_subscript;
update test_jsonb_subscript set test_json = NULLwhere id = 3; update test_jsonb_subscript set test_json[0] = '1'; select * from test_jsonb_subscript;
-- Fill the gaps logic deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '[0]');
update test_jsonb_subscript set test_json[5] = '1'; select * from test_jsonb_subscript;
update test_jsonb_subscript set test_json[-4] = '1'; select * from test_jsonb_subscript;
update test_jsonb_subscript set test_json[-8] = '1'; select * from test_jsonb_subscript;
update test_jsonb_subscript set test_json[5] = '1'; select * from test_jsonb_subscript;
-- create the whole path deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{}'); update test_jsonb_subscript set test_json['a'][0]['b'][0]['c'] = '1'; select * from test_jsonb_subscript;
deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{}'); update test_jsonb_subscript set test_json['a'][2]['b'][2]['c'][2] = '1'; select * from test_jsonb_subscript;
-- create the whole path with already existing keys deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{"b": 1}'); update test_jsonb_subscript set test_json['a'][0] = '2'; select * from test_jsonb_subscript;
-- the start jsonb is an object, first subscript is treated as a key deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{}'); update test_jsonb_subscript set test_json[0]['a'] = '1'; select * from test_jsonb_subscript;
-- the start jsonb is an array deletefrom test_jsonb_subscript; insertinto 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;
-- overwriting an existing path deletefrom test_jsonb_subscript; insertinto 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;
deletefrom test_jsonb_subscript; insertinto 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;
deletefrom test_jsonb_subscript; insertinto 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;
-- an empty sub element
deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{"a": {}}'); update test_jsonb_subscript set test_json['a']['b']['c'][2] = '1'; select * from test_jsonb_subscript;
deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{"a": []}'); update test_jsonb_subscript set test_json['a'][1]['c'][2] = '1'; select * from test_jsonb_subscript;
-- trying replace assuming a composite object, but it's an element or a value
deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, '{"a": 1}'); update test_jsonb_subscript set test_json['a']['b'] = '1'; update test_jsonb_subscript set test_json['a']['b']['c'] = '1'; update test_jsonb_subscript set test_json['a'][0] = '1'; update test_jsonb_subscript set test_json['a'][0]['c'] = '1'; update test_jsonb_subscript set test_json['a'][0][0] = '1';
-- trying replace assuming a composite object, but it's a raw scalar
deletefrom test_jsonb_subscript; insertinto test_jsonb_subscript values (1, 'null'); update test_jsonb_subscript set test_json[0] = '1'; update test_jsonb_subscript set test_json[0][0] = '1';
-- try some things with short-header and toasted subscript values
¤ Die Informationen auf dieser Webseite wurden
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(vorverarbeitet am 2026-08-08)
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Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.