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MDEV-23004 When using GROUP BY with JSON_ARRAYAGG with joint table, the

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square brackets are not included.

Item_func_json_arrayagg::copy_or_same() should be implemented.
This commit is contained in:
Alexey Botchkov
2021-06-24 13:28:28 +04:00
parent fc2ff46469
commit 98c7916f0f
4 changed files with 44 additions and 3 deletions
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16
mysql-test/main/func_json.result
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@ -1366,5 +1366,21 @@ JSON_OBJECTAGG(a, e)
DROP VIEW v;
DROP TABLE t1;
#
# MDEV-23004 When using GROUP BY with JSON_ARRAYAGG with joint table, the square brackets are not included.
#
CREATE TABLE t1(id int primary key, name varchar(50));
CREATE TABLE t2(id int, owner_id int);
INSERT INTO t1 VALUES (1, "name1"), (2, "name2"), (3, "name3");
INSERT INTO t2 VALUES (1, 1), (2, 1), (3, 2), (4, 3);
SELECT t1.id, JSON_ARRAYAGG(JSON_OBJECT('id',t2.id)) as materials
from t1 LEFT JOIN t2 on t1.id = t2.owner_id
GROUP BY t1.id ORDER BY id;
id materials
1 ["{\"id\": 1}","{\"id\": 2}"]
2 ["{\"id\": 3}"]
3 ["{\"id\": 4}"]
DROP TABLE t1;
DROP TABLE t2;
#
# End of 10.5 tests
#