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MDEV-25146 JSON_TABLE: Non-descriptive + wrong error messages upon trying to store array or object.

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More informative messages added.
Do not issue additional messages if already handled.
This commit is contained in:
Alexey Botchkov
2021-03-26 13:53:40 +04:00
parent 48dffa3c30
commit d2e2219e46
8 changed files with 57 additions and 26 deletions
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12
mysql-test/suite/json/r/json_table_mysql.result
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@@ -115,7 +115,7 @@ json_table(
jpath varchar(100) path '$.a' error on error,
jexst int exists path '$.b')
) as tt;
ERROR HY000: Field 'jpath' can't be set for JSON_TABLE 'tt'.
ERROR HY000: Can't store an array or an object in the scalar column 'jpath' of JSON_TABLE 'tt'.
select * from
json_table(
'!#@$!@#$',
@@ -396,18 +396,18 @@ v CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIE
DROP VIEW v;
SELECT * FROM JSON_TABLE('"asdf"',
'$' COLUMNS (a INT PATH '$' ERROR ON ERROR)) AS jt;
ERROR HY000: Field 'a' can't be set for JSON_TABLE 'jt'.
ERROR HY000: Can't store an array or an object in the scalar column 'a' of JSON_TABLE 'jt'.
SELECT * FROM
JSON_TABLE('[{"a":1},{"a":2}]',
'$' COLUMNS (a INT PATH '$[*].a' ERROR ON ERROR)) AS jt;
ERROR HY000: Field 'a' can't be set for JSON_TABLE 'jt'.
ERROR HY000: Can't store multiple matches of the path in the column 'a' of JSON_TABLE 'jt'.
SELECT * FROM
JSON_TABLE('[{"a":1},{"a":2}]',
'$' COLUMNS (a JSON PATH '$[*].a' ERROR ON ERROR)) AS jt;
ERROR HY000: Field 'a' can't be set for JSON_TABLE 'jt'.
ERROR HY000: Can't store multiple matches of the path in the column 'a' of JSON_TABLE 'jt'.
SELECT * FROM
JSON_TABLE('123.456', '$' COLUMNS (a DECIMAL(2,1) PATH '$' ERROR ON ERROR)) AS jt;
ERROR HY000: Field 'a' can't be set for JSON_TABLE 'jt'.
ERROR HY000: Can't store an array or an object in the scalar column 'a' of JSON_TABLE 'jt'.
SELECT * FROM
JSON_TABLE('123.456', '$' COLUMNS (a DECIMAL(2,1) PATH '$')) AS jt;
a
@@ -811,7 +811,7 @@ SELECT * FROM
JSON_TABLE('[3.14159]',
'$[*]' COLUMNS (col18 DECIMAL(3,3) PATH '$' ERROR ON ERROR)
) AS alias2;
ERROR HY000: Field 'col18' can't be set for JSON_TABLE 'alias2'.
ERROR HY000: Can't store an array or an object in the scalar column 'col18' of JSON_TABLE 'alias2'.
SELECT * FROM
JSON_TABLE('[0.9]',
'$[*]' COLUMNS (col18 DECIMAL(3,3) PATH '$')