mirror of
https://github.com/MariaDB/server.git
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77 lines
3.3 KiB
Text
77 lines
3.3 KiB
Text
set names utf8;
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create table t1 (json json);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`json` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL CHECK (json_valid(`json`))
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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insert into t1 values
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('{ }'),
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('[ ]'),
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('{ "foo" : "bar" }'),
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('{ "foo" : "bar", "baz" : "whatever" }'),
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('[ 1.2, 0.0, "text", 0, null, true, false ]'),
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('[ "string", { "key" : "val", "a" : "b", "c" : [ 10, 9, 8, "seven", 11 ] }]'),
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('{ "ăț€": "val1", "âț€":"val2" }');
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select json, json_normalize(json) from t1
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order by json;
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json json_normalize(json)
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[ ] []
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[ "string", { "key" : "val", "a" : "b", "c" : [ 10, 9, 8, "seven", 11 ] }] ["string",{"a":"b","c":[1.0E1,9.0E0,8.0E0,"seven",1.1E1],"key":"val"}]
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[ 1.2, 0.0, "text", 0, null, true, false ] [1.2E0,0.0E0,"text",0.0E0,null,true,false]
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{ } {}
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{ "foo" : "bar" } {"foo":"bar"}
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{ "foo" : "bar", "baz" : "whatever" } {"baz":"whatever","foo":"bar"}
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{ "ăț€": "val1", "âț€":"val2" } {"âț€":"val2","ăț€":"val1"}
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create view v1 as (select json, json_normalize(json) norm_json from t1);
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS (select `t1`.`json` AS `json`,json_normalize(`t1`.`json`) AS `norm_json` from `t1`) utf8mb3 utf8mb3_general_ci
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select * from v1
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order by json;
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json norm_json
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[ ] []
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[ "string", { "key" : "val", "a" : "b", "c" : [ 10, 9, 8, "seven", 11 ] }] ["string",{"a":"b","c":[1.0E1,9.0E0,8.0E0,"seven",1.1E1],"key":"val"}]
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[ 1.2, 0.0, "text", 0, null, true, false ] [1.2E0,0.0E0,"text",0.0E0,null,true,false]
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{ } {}
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{ "foo" : "bar" } {"foo":"bar"}
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{ "foo" : "bar", "baz" : "whatever" } {"baz":"whatever","foo":"bar"}
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{ "ăț€": "val1", "âț€":"val2" } {"âț€":"val2","ăț€":"val1"}
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select json_normalize(NULL);
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json_normalize(NULL)
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NULL
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select json_normalize('{ "invalid": "no_close"');
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json_normalize('{ "invalid": "no_close"')
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NULL
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drop table t1;
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drop view v1;
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create table t1 (text varchar(200) character set 'latin1');
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insert into t1 values (unhex('22E522'));
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create table t2 (text varchar(200) character set 'utf8mb4');
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insert into t2 SELECT * FROM t1;
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select t1.text, hex(t1.text) from t1;
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text hex(t1.text)
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"å" 22E522
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select t2.text, hex(t2.text) from t2;
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text hex(t2.text)
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"å" 22C3A522
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select t1.text
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, t2.text
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, replace(json_normalize(t1.text), unhex('C3A5'), unhex('C385'))
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, replace(json_normalize(t2.text), unhex('C3A5'), unhex('C385'))
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, hex(replace(json_normalize(t1.text), unhex('C3A5'), unhex('C385')))
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, hex(replace(json_normalize(t2.text), unhex('C3A5'), unhex('C385')))
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from t1, t2;
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text 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')))
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"å" "å" "Å" "Å" 22C38522 22C38522
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drop table t1;
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drop table t2;
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create table t1 (text varchar(1));
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insert into t1 values ('0');
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select concat_ws(' ', t1.text, t1.text) from t1;
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concat_ws(' ', t1.text, t1.text)
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0 0
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select concat_ws(' ', json_normalize(t1.text), json_normalize(t1.text)) from t1;
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concat_ws(' ', json_normalize(t1.text), json_normalize(t1.text))
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0.0E0 0.0E0
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drop table t1;
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