set names utf8;

create table t1 (json json);
show create table t1;


insert into t1 values
('{  }'),
('[  ]'),
('{ "foo" : "bar" }'),
('{ "foo" : "bar", "baz" : "whatever" }'),
('[ 1.2, 0.0, "text", 0, null, true, false ]'),
('[ "string", { "key" : "val", "a" : "b", "c" : [ 10, 9, 8, "seven", 11 ] }]'),
('{ "ăț€": "val1", "âț€":"val2" }');

select json, json_normalize(json) from t1
order by json;


create view v1 as (select json, json_normalize(json) norm_json from t1);
show create view v1;

select * from v1
order by json;

select json_normalize(NULL);
select json_normalize('{ "invalid": "no_close"');

drop table t1;
drop view v1;

create table t1 (text varchar(200) character set 'latin1');
insert into t1 values (unhex('22E522'));

create table t2 (text varchar(200) character set 'utf8mb4');
insert into t2 SELECT * FROM t1;

select t1.text, hex(t1.text) from t1;
select t2.text, hex(t2.text) from t2;

select t1.text
     , t2.text
     , replace(json_normalize(t1.text), unhex('C3A5'), unhex('C385'))
     , replace(json_normalize(t2.text), unhex('C3A5'), unhex('C385'))
     , hex(replace(json_normalize(t1.text), unhex('C3A5'), unhex('C385')))
     , hex(replace(json_normalize(t2.text), unhex('C3A5'), unhex('C385')))
from t1, t2;

drop table t1;
drop table t2;

create table t1 (text varchar(1));
insert into t1 values ('0');

select concat_ws(' ', t1.text, t1.text) from t1;
select concat_ws(' ', json_normalize(t1.text), json_normalize(t1.text)) from t1;

drop table t1;