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39909d1d39
Also move the escape_json function from explain.c to json.c where it seems to belong. Andrew Dunstan, Reviewd by Abhijit Menon-Sen.
99 lines
3.7 KiB
SQL
99 lines
3.7 KiB
SQL
-- Strings.
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SELECT '""'::json; -- OK.
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SELECT $$''$$::json; -- ERROR, single quotes are not allowed
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SELECT '"abc"'::json; -- OK
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SELECT '"abc'::json; -- ERROR, quotes not closed
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SELECT '"abc
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def"'::json; -- ERROR, unescaped newline in string constant
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SELECT '"\n\"\\"'::json; -- OK, legal escapes
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SELECT '"\v"'::json; -- ERROR, not a valid JSON escape
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SELECT '"\u"'::json; -- ERROR, incomplete escape
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SELECT '"\u00"'::json; -- ERROR, incomplete escape
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SELECT '"\u000g"'::json; -- ERROR, g is not a hex digit
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SELECT '"\u0000"'::json; -- OK, legal escape
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SELECT '"\uaBcD"'::json; -- OK, uppercase and lower case both OK
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-- Numbers.
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SELECT '1'::json; -- OK
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SELECT '0'::json; -- OK
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SELECT '01'::json; -- ERROR, not valid according to JSON spec
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SELECT '0.1'::json; -- OK
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SELECT '9223372036854775808'::json; -- OK, even though it's too large for int8
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SELECT '1e100'::json; -- OK
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SELECT '1.3e100'::json; -- OK
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SELECT '1f2'::json; -- ERROR
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-- Arrays.
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SELECT '[]'::json; -- OK
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SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::json; -- OK
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SELECT '[1,2]'::json; -- OK
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SELECT '[1,2,]'::json; -- ERROR, trailing comma
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SELECT '[1,2'::json; -- ERROR, no closing bracket
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SELECT '[1,[2]'::json; -- ERROR, no closing bracket
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-- Objects.
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SELECT '{}'::json; -- OK
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SELECT '{"abc"}'::json; -- ERROR, no value
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SELECT '{"abc":1}'::json; -- OK
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SELECT '{1:"abc"}'::json; -- ERROR, keys must be strings
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SELECT '{"abc",1}'::json; -- ERROR, wrong separator
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SELECT '{"abc"=1}'::json; -- ERROR, totally wrong separator
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SELECT '{"abc"::1}'::json; -- ERROR, another wrong separator
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SELECT '{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::json; -- OK
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SELECT '{"abc":1:2}'::json; -- ERROR, colon in wrong spot
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SELECT '{"abc":1,3}'::json; -- ERROR, no value
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-- Miscellaneous stuff.
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SELECT 'true'::json; -- OK
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SELECT 'false'::json; -- OK
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SELECT 'null'::json; -- OK
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SELECT ' true '::json; -- OK, even with extra whitespace
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SELECT 'true false'::json; -- ERROR, too many values
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SELECT 'true, false'::json; -- ERROR, too many values
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SELECT 'truf'::json; -- ERROR, not a keyword
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SELECT 'trues'::json; -- ERROR, not a keyword
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SELECT ''::json; -- ERROR, no value
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SELECT ' '::json; -- ERROR, no value
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--constructors
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-- array_to_json
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SELECT array_to_json(array(select 1 as a));
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SELECT array_to_json(array_agg(q),false) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
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SELECT array_to_json(array_agg(q),true) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
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SELECT array_to_json(array_agg(q),false)
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FROM ( SELECT $$a$$ || x AS b, y AS c,
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ARRAY[ROW(x.*,ARRAY[1,2,3]),
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ROW(y.*,ARRAY[4,5,6])] AS z
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FROM generate_series(1,2) x,
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generate_series(4,5) y) q;
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SELECT array_to_json(array_agg(x),false) from generate_series(5,10) x;
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SELECT array_to_json('{{1,5},{99,100}}'::int[]);
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-- row_to_json
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SELECT row_to_json(row(1,'foo'));
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SELECT row_to_json(q)
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FROM (SELECT $$a$$ || x AS b,
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y AS c,
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ARRAY[ROW(x.*,ARRAY[1,2,3]),
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ROW(y.*,ARRAY[4,5,6])] AS z
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FROM generate_series(1,2) x,
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generate_series(4,5) y) q;
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SELECT row_to_json(q,true)
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FROM (SELECT $$a$$ || x AS b,
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y AS c,
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ARRAY[ROW(x.*,ARRAY[1,2,3]),
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ROW(y.*,ARRAY[4,5,6])] AS z
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FROM generate_series(1,2) x,
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generate_series(4,5) y) q;
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CREATE TEMP TABLE rows AS
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SELECT x, 'txt' || x as y
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FROM generate_series(1,3) AS x;
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SELECT row_to_json(q,true)
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FROM rows q;
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SELECT row_to_json(row((select array_agg(x) as d from generate_series(5,10) x)),false);
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