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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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10
mysql-test/suite/json/r/json_table.result
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@@ -88,7 +88,7 @@ a b
select * from JSON_TABLE( '[{"a": [1, 2], "b": [11,111]}, {"a": 2, "b": [22,222]}, {"a":3} xx YY]', '$[*]' COLUMNS( a INT PATH '$.a' default '202' on error default '101' on empty, NESTED PATH '$.b[*]' COLUMNS (b INT PATH '$'))) as jt;
ERROR HY000: Syntax error in JSON text in argument 1 to function 'JSON_TABLE' at position 65
select * from JSON_TABLE( '[{"a": [1, 2], "b": [11,111]}, {"a": 2, "b": [22,222]}, {"a":3}]', '$[*]' COLUMNS( a INT PATH '$.a' error on error default '101' on empty, NESTED PATH '$.b[*]' COLUMNS (b INT PATH '$'))) 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":0}',"$" columns(a decimal(1,1) path '$.a')) foo;
a
0.0
@@ -573,5 +573,13 @@ id
3
drop table json_table;
#
# MDEV-25146 JSON_TABLE: Non-descriptive + wrong error messages upon trying to store array or object.
#
select a from json_table('[[]]', '$' columns(a char(8) path '$' error on error)) t;
ERROR HY000: Can't store an array or an object in the scalar column 'a' of JSON_TABLE 't'.
show warnings;
Level Code Message
Error 4177 Can't store an array or an object in the scalar column 'a' of JSON_TABLE 't'.
#
# End of 10.6 tests
#