The document discusses the MySQL Document Store introduced in version 5.7, focusing on its integration of SQL and NoSQL capabilities through a JSON-based model. It highlights features such as a new developer API, support for document operations, performance comparisons, and various tools for CRUD operations. The content is structured around a series of seminars from the MySQL Power Group, showcasing practical implementations and advanced functionalities.

1. MySQL Document Store
2017.01.14
Neowiz Games 강한글
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MySQL Power Group

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relational and document models
schema and schemaless
structured and unstructured
Combining SQL and NoSQL
MySQL Document Store
JSON
virtual columns
X DevAPI
CRUD
Transaction
Performance
X Protocol
X Plug-in
X Session
Node.js
MySQL Shell
MySQL Connector

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relational and document models
schema and schemaless
structured and unstructured
“Combining SQL and NoSQL”
MySQL Document Store
JSON
virtual columns
X DevAPI
CRUD
Transaction
Performance
X Protocol
X Plug-in
X Session
Node.js
MySQL Shell
MySQL Connector

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RDB vs Document Store Systems
for developers
MySQL Document Store - Combining SQL and NoSQL
Easier to get started
Upfront effort @ design stage
Simple deployment
CRUD
DevAPI NoSQL interface
RDB vs Document Store Systems
for DBAs
Performance
Indexing JSON data
Replication, backup, restore
Schema changes
Transaction
SQL
Data integrity

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MySQL Document Store - Combining SQL and NoSQL
“지금보다 좋아지나요?”
“뭐가요?”
“얼마나요?”

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TEXT
MySQL Document Store - Beginner
or varchar(4000)
or blob

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“텍스트 컬럼 하나 만들어 주시면
알아서 쓸게요”
MySQL Document Store - Beginner

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MySQL Document Store - Beginner

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“툴에서 사용하기 번거로워요”
“데이터 수정하기 어려워요”
“개발자마다 형태가 달라요”
MySQL Document Store - Beginner

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JSON
MySQL Document Store - Intermediate

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구성
Native JSON datatype
JSON Functions
Generated Columns
특징
utf8mb4 character set
Optimized for read intensive workload
Parse and validation on insert
Fast access to array cells by index
스펙
Document Validation
Binary Format
CREATE TABLE `flags` (
`doc` json DEFAULT NULL,
`_id` varchar(32) GENERATED ALWAYS AS (json_unquote(json_extract(`doc`,'$._id'))) STORED NOT NULL,
PRIMARY KEY (`_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
;
MySQL Document Store - Intermediate

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0
100
200
300
400
500
600
700
Insert select
text_no_ind
json_no_ind
text_ind
json_ind
0
5
10
15
20
25
30
35
select count(*)
text_no_ind
json_no_ind
text_ind
json_ind

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0
50
100
150
200
250
300
select count(distinct)
text_no_ind
json_no_ind
text_ind
json_ind
0.13
3.66
7.63
11.32
15.82
19.35
22.47
25.34
29.15
32.5
0
50
100
150
200
250
300
select count(distinct) where id =
text_ind_where
json_ind_where
text_ind
json_ind

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JSON_ARRAY_APPEND()
JSON_ARRAY_INSERT()
JSON_ARRAY()
JSON_CONTAINS_PATH()
JSON_CONTAINS()
JSON_DEPTH()
JSON_EXTRACT()
JSON_INSERT()
JSON_KEYS()
JSON_LENGTH()
explain select doc->'$.GNP', doc->'$.Name' from countryinfo where doc->'$._id' = 'SEA';
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| 1 | SIMPLE | countryinfo | NULL | const | PRIMARY | PRIMARY | 98 | const | 1 | 100.00 | NULL |
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
explain select doc->'$.GNP', doc->'$.Name' from countryinfo where _id = 'SEA';
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
| 1 | SIMPLE | countryinfo | NULL | const | PRIMARY | PRIMARY | 98 | const | 1 | 100.00 | NULL |
+----+-------------+-------------+------------+-------+---------------+---------+---------+-------+------+----------+-------+
select doc from countryinfo
where json_extract(doc,"$.GNP") > 500000;
select doc from countryinfo
where doc->'$.GNP' > 500000;
JSON_MERGE()
JSON_OBJECT()
JSON_QUOTE()
JSON_REMOVE()
JSON_REPLACE()
JSON_SEARCH()
JSON_SET()
JSON_TYPE()
JSON_UNQUOTE()
JSON_VALID()
MySQL Document Store - Intermediate

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“쿼리 만들기 어려워요”
“좀 더…”
MySQL Document Store - Intermediate

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const mysqlx = require('mysqlx');
mysqlx.getSession({
host: 'localhost',
dbUser: 'hank',
dbPassword: 'hank'
}).then(session => {
const collection = session.getSchema('world_x').getCollection('countryinfo');
return Promise.all([
collection.add(
{
_id: "SEA",
geography: {
Continent: "Europe",
Region: "British Islands",
SurfaceArea: 193
}
}).execute();
session.close();
])
}).catch(err => {
console.log(err);
});
const collection = session.getSchema('world_x').getCollection('countryinfo');
collection.find("GNP > 500000")
.sort(["IndepYear desc"])
.limit(10)
.execute(doc => console.log(doc))
.then(() => console.log("Success")
.catch((err) => console.log("Error", err);
var query = connection.query('select * from world_x.countryinfo where
GNP > 500000 order by IndepYear desc limit 10',function(err,rows){
console.log(rows);
res.json(rows);
});
X
MySQL Document Store - Advanced

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db.countryinfo.find("_id = 'AUS'")
db.countryinfo.find("GNP > 500000 and demographics.Population
< 100000000")
db.countryinfo.find("Name = :country").bind("country", "Italy")
db.countryinfo.find("GNP > 5000000").fields(["GNP", "Name"])
MySQL Document Store - Advanced
SELECT doc FROM `world_x`.`countryinfo` WHERE (`_id` = 'AUS')
SELECT doc FROM `world_x`.`countryinfo`
WHERE ((JSON_EXTRACT(doc,'$.GNP') > 500000)
AND (JSON_EXTRACT(doc,'$.demographics.Population')
< 100000000))
set @country = 'Italy';
SELECT doc FROM `world_x`.`countryinfo` WHERE
(JSON_EXTRACT(doc,'$.Name') = @country)
SELECT JSON_OBJECT('GNP', JSON_EXTRACT(doc,'$.GNP'),'Name',
JSON_EXTRACT(doc,'$.Name')) AS doc
FROM `world_x`.`countryinfo`
WHERE (JSON_EXTRACT(doc,'$.GNP') > 5000000)

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JSON + x
MySQL Document Store - Advanced
X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
New, modern, async developer API for CRUD and
SQL operations on top of X Protocol
Introduces Collections as new Schema object
Focus on working with data via CRUD operations
Get away from traditional SQL
MySQL Document Store - Advanced

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
Connecton to an abstracted "service", for example:
Single instance MySQL server
MySQL InnoDB Cluster
Sharded MySQL InnoDB Cluster
Document Store API Only (SQL not allowed currently)
Transparent transaction routing
Future proof for scalability
mysqlsh –x / .getSession
MySQL Document Store - Advanced

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X DevAPI
X Session / Node Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
Connection to a specific MySQL server instance
Document Store and SQL operations allowed
Limited transaction routing
Unrestricted access
mysqlsh –node / .GetNodeSession
MySQL Document Store - Advanced

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
Support for X DevAPI and X Session
MySQL Shell 1.0.3
Connector/J 7.0
Connector/Net 7.0
Connector/Node.js1.0
MySQL Document Store - Advanced

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
New MySQL client protocol based on top of
industry standard
Works for both, CRUD and SQL operations
MySQL Document Store - Advanced

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
Plugin for MySQL server (since 5.7.12)
New protocol for MySQL with support for document
operations
Handles client connections on a separate TCP port
(default 33060 vs 3306)
Translate X Protocol document operations to SQL
MySQL Document Store - Advanced

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X DevAPI
X Session
X DevAPI Connector
X Protocol
X Plug-in
MySQL Shell
New scriptable command line shell for MySQL Script
in Python and JavaScript (or traditional SQL)
DevAPI for Document Store
MySQL Document Store - Advanced

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db.countryinfo.find()
select * from countryinfo;
MySQL Document Store - Advanced

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Demonstration and preliminary use only
Enhanced Storage Engine for document store system
JSON native type (partial update / partial streaming / aggregate functions)
Generated columns
MySQL Document Store - in advance

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Introduction to the MySQL Document Store
https://www.youtube.com/watch?v=1Dk517M-_7o
MySQL 5.7 and JSON; New Opportunities for Developers [CON8005]
Discover the MySQL Document Store [CON4662]
MySQL Document Store; A Deep Dive into Writing Scalable Applications [HOL6448]
MySQL X Protocol; Talking to MySQL Directly over the Wire [CON4231]
Using MySQL as a Document Store
http://dev.mysql.com/doc/refman/5.7/en/document-store.html
MySQL Document Store – References