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src/test/regress/expected/json_encoding.out
268 строк
9 KB
Tom Lane
Fix JSON error reporting for many cases of erroneous string values.
13 мар 2023, 22:19
13 мар 2023, 22:19
25a7812
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-- -- encoding-sensitive tests for json and jsonb -- -- We provide expected-results files for UTF8 (json_encoding.out) -- and for SQL_ASCII (json_encoding_1.out). Skip otherwise. SELECT getdatabaseencoding() NOT IN ('UTF8', 'SQL_ASCII') AS skip_test \gset \if :skip_test \quit \endif SELECT getdatabaseencoding(); -- just to label the results files getdatabaseencoding --------------------- UTF8 (1 row) -- first json -- basic unicode input SELECT '"\u"'::json; -- ERROR, incomplete escape ERROR: invalid input syntax for type json LINE 1: SELECT '"\u"'::json; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u" SELECT '"\u00"'::json; -- ERROR, incomplete escape ERROR: invalid input syntax for type json LINE 1: SELECT '"\u00"'::json; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u00" SELECT '"\u000g"'::json; -- ERROR, g is not a hex digit ERROR: invalid input syntax for type json LINE 1: SELECT '"\u000g"'::json; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u000g... SELECT '"\u0000"'::json; -- OK, legal escape json ---------- "\u0000" (1 row) SELECT '"\uaBcD"'::json; -- OK, uppercase and lower case both OK json ---------- "\uaBcD" (1 row) -- handling of unicode surrogate pairs select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8; correct_in_utf8 ---------------------------- "\ud83d\ude04\ud83d\udc36" (1 row) select json '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row ERROR: invalid input syntax for type json DETAIL: Unicode high surrogate must not follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ud83d\ud83d... select json '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order ERROR: invalid input syntax for type json DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ude04... select json '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate ERROR: invalid input syntax for type json DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ud83dX... select json '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate ERROR: invalid input syntax for type json DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ude04... --handling of simple unicode escapes select json '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8; correct_in_utf8 --------------------------------------- { "a": "the Copyright \u00a9 sign" } (1 row) select json '{ "a": "dollar \u0024 character" }' as correct_everywhere; correct_everywhere ------------------------------------- { "a": "dollar \u0024 character" } (1 row) select json '{ "a": "dollar \\u0024 character" }' as not_an_escape; not_an_escape -------------------------------------- { "a": "dollar \\u0024 character" } (1 row) select json '{ "a": "null \u0000 escape" }' as not_unescaped; not_unescaped -------------------------------- { "a": "null \u0000 escape" } (1 row) select json '{ "a": "null \\u0000 escape" }' as not_an_escape; not_an_escape --------------------------------- { "a": "null \\u0000 escape" } (1 row) select json '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8; correct_in_utf8 ---------------------- the Copyright © sign (1 row) select json '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere; correct_everywhere -------------------- dollar $ character (1 row) select json '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape; not_an_escape ------------------------- dollar \u0024 character (1 row) select json '{ "a": "null \u0000 escape" }' ->> 'a' as fails; ERROR: unsupported Unicode escape sequence DETAIL: \u0000 cannot be converted to text. CONTEXT: JSON data, line 1: { "a": "null \u0000... select json '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape; not_an_escape -------------------- null \u0000 escape (1 row) -- then jsonb -- basic unicode input SELECT '"\u"'::jsonb; -- ERROR, incomplete escape ERROR: invalid input syntax for type json LINE 1: SELECT '"\u"'::jsonb; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u" SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape ERROR: invalid input syntax for type json LINE 1: SELECT '"\u00"'::jsonb; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u00" SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit ERROR: invalid input syntax for type json LINE 1: SELECT '"\u000g"'::jsonb; ^ DETAIL: "\u" must be followed by four hexadecimal digits. CONTEXT: JSON data, line 1: "\u000g... SELECT '"\u0045"'::jsonb; -- OK, legal escape jsonb ------- "E" (1 row) SELECT '"\u0000"'::jsonb; -- ERROR, we don't support U+0000 ERROR: unsupported Unicode escape sequence LINE 1: SELECT '"\u0000"'::jsonb; ^ DETAIL: \u0000 cannot be converted to text. CONTEXT: JSON data, line 1: "\u0000... -- use octet_length here so we don't get an odd unicode char in the -- output SELECT octet_length('"\uaBcD"'::jsonb::text); -- OK, uppercase and lower case both OK octet_length -------------- 5 (1 row) -- handling of unicode surrogate pairs SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8; correct_in_utf8 ----------------- 10 (1 row) SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row ERROR: invalid input syntax for type json LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; ^ DETAIL: Unicode high surrogate must not follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ud83d\ud83d... SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order ERROR: invalid input syntax for type json LINE 1: SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; ^ DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ude04... SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate ERROR: invalid input syntax for type json LINE 1: SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; ^ DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ud83dX... SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate ERROR: invalid input syntax for type json LINE 1: SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; ^ DETAIL: Unicode low surrogate must follow a high surrogate. CONTEXT: JSON data, line 1: { "a": "\ude04... -- handling of simple unicode escapes SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8; correct_in_utf8 ------------------------------- {"a": "the Copyright © sign"} (1 row) SELECT jsonb '{ "a": "dollar \u0024 character" }' as correct_everywhere; correct_everywhere ----------------------------- {"a": "dollar $ character"} (1 row) SELECT jsonb '{ "a": "dollar \\u0024 character" }' as not_an_escape; not_an_escape ----------------------------------- {"a": "dollar \\u0024 character"} (1 row) SELECT jsonb '{ "a": "null \u0000 escape" }' as fails; ERROR: unsupported Unicode escape sequence LINE 1: SELECT jsonb '{ "a": "null \u0000 escape" }' as fails; ^ DETAIL: \u0000 cannot be converted to text. CONTEXT: JSON data, line 1: { "a": "null \u0000... SELECT jsonb '{ "a": "null \\u0000 escape" }' as not_an_escape; not_an_escape ------------------------------ {"a": "null \\u0000 escape"} (1 row) SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8; correct_in_utf8 ---------------------- the Copyright © sign (1 row) SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere; correct_everywhere -------------------- dollar $ character (1 row) SELECT jsonb '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape; not_an_escape ------------------------- dollar \u0024 character (1 row) SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fails; ERROR: unsupported Unicode escape sequence LINE 1: SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fai... ^ DETAIL: \u0000 cannot be converted to text. CONTEXT: JSON data, line 1: { "a": "null \u0000... SELECT jsonb '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape; not_an_escape -------------------- null \u0000 escape (1 row) -- soft error for input-time failure select * from pg_input_error_info('{ "a": "\ud83d\ude04\ud83d\udc36" }', 'jsonb'); message | detail | hint | sql_error_code ---------+--------+------+---------------- | | | (1 row)