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MDEV-11465 JSON_LENGTH returns incorrect length.

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Item_func_json_length::val_int fixed.
This commit is contained in:
Alexey Botchkov
2016-12-05 08:59:55 +04:00
parent 75a51818b2
commit 2b01461629
3 changed files with 13 additions and 2 deletions
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9
mysql-test/r/func_json.result
View File

@@ -292,3 +292,12 @@ json_depth('[[], {}]')
select json_depth('[[[1,2,3],"s"], {}, []]'); select json_depth('[[[1,2,3],"s"], {}, []]');
json_depth('[[[1,2,3],"s"], {}, []]') json_depth('[[[1,2,3],"s"], {}, []]')
4 4
select json_length('');
json_length('')
NULL
select json_length('{}');
json_length('{}')
0
select json_length('[1, 2, {"a": 3}]');
json_length('[1, 2, {"a": 3}]')
3

3
mysql-test/t/func_json.test
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@@ -129,3 +129,6 @@ select json_depth(cast(NULL as JSON));
select json_depth('[[], {}]'); select json_depth('[[], {}]');
select json_depth('[[[1,2,3],"s"], {}, []]'); select json_depth('[[[1,2,3],"s"], {}, []]');
select json_length('');
select json_length('{}');
select json_length('[1, 2, {"a": 3}]');

3
sql/item_jsonfunc.cc
View File

@@ -1271,8 +1271,7 @@ longlong Item_func_json_length::val_int()
return 0; return 0;
} }
return length; return length - 1;
} }