2015年9月11日のdb tech showcase 2015 Sapporo HOKKAIDOにて「MySQLはドキュメントデータベースの夢を見るか？」のセッションで利用した資料です。MySQLサーバのmemcached APIやJSONデータ型、HTTPプラグインの他、MySQL Clusterのハイブリッド型APIなどをご紹介しています。 #dbts2015 #dbts-sapporo-2015

1. Copyright*©*201 ,*Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
#mysql_jp*
Ryusuke*Kajiyama*/* */*@RKajiyama*
MySQL*Sales*ConsulIng*Senior*Manager,*Asia*Pacific*&*Japan*
db*tech*showcase*Sapporo*HOKKAIDO*
MySQL* *

2. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
SAFE*HARBOR*STATEMENT*
2*

3. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
The*world's*most*popular*open*source*database*
*
3

4. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|* 4
4.0*
/GIS*(MyISAM)*
UPDATE/DELETE*
Oracle*MySQL* Sun*
3.23*
MyISAM*
InnoDB*
*
5.1*
*
* *
*
*
5.6*
memcached*API*
UNDO *
Global*TransacIon*ID*
*
ALTER*TABLE*
*
5.5*
InnoDB *
*
PERFORMANCE_SCHEMA*
1.0G3.22 *
*(ISAM,*HEAP)
Windows /64bit *
*(SJIS/UJIS)
5.0*
*
/ / *
XA
INFORMATION_SCHEMA*
4.1*
Unicode *
*
CSV,*ARCHIVE*
ndbcluster*
1995 2000 2005 2010 2015
5.7+*
*
*
*
*
CJK /GIS*(InnoDB)*
*
*
NoSQL *
*
*

5. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
• *
– *
– *
– SSD *
– UNDO *
– *
– JSON*EXPLAIN*
– Memcached*API*
•
– Global*TransacIon*ID*
– *
– *
– Binlog* *
–
*
– *
*
–
5
• *
– ALTER*TABLE*
– *
*
– *
*
– *
• *
• SHA256*
• *
MySQL*5.6

6. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.6:*InnoDB
RDBMS NoSQL
• Memcached*API *
– Memcached *
– SQL
• NotOnlySQL *
– *
– JOIN FK SQL
• *
– mysqld Memcached
*
– InnoDB*API memcached*
*
InnoDB*Storage*Engine*
MySQL*Server* Memcached*plugin*
ApplicaSon*
SQL**
(MySQL*Client)*
NoSQL**
(Memcached*
**Protocol)*
mysqld*

7. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
InnoDB*memcached*Plugin
• The*mapping*is*done*through*specifying*corresponding*column*values*in*
containers*table:*
mysql> desc containers;
+------------------------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------------+--------------+------+-----+---------+-------+
| name | varchar(50) | NO | PRI | NULL | |
| db_schema | varchar(250) | NO | | NULL | |
| db_table | varchar(250) | NO | | NULL | |
| key_columns | varchar(250) | NO | | NULL | |
| value_columns | varchar(250) | YES | | NULL | |
| flags | varchar(250) | NO | | 0 | |
| cas_column | varchar(250) | YES | | NULL | |
| expire_time_column | varchar(250) | YES | | NULL | |
| unique_idx_name_on_key | varchar(250) | NO | | NULL | |
+------------------------+--------------+------+-----+---------+-------+
9 rows in set (0.02 sec)

8. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Cluster*7.4*GA
8

9. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
1,000 MySQL*Cluster
9
Paypal
1 20
203
30%
MySQL
MySQL Cluster AWS 5
1/3
MySQL
“NoSQL
SQL
”
Daniel Austin, Chief Architect,
PayPal
hXp://wwwGjp.mysql.com/customers/view/?id=1223

10. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
:* *
• *
• *
• *
• *
• *
• *
• *
• *
• *
• *&*
*
• 4 MySQL*Cluster *Linux
Windows*
MySQL*User*Conference*Session:*hmp://bit.ly/ogeid3*

11. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Cluster:*SQL*and*NoSQL*Hybrid*APIs
AcSveGAcSve*RDBMS &* NoSQL*
11
MySQL*Cluster*Data*Nodes*
Apps Apps Apps Apps Apps Apps Apps Apps Apps Apps Apps
JPA
Cluster*JPA
PHP Perl Python Ruby JDBC Cluster*J JS Memcached
MySQL JNI Node.JS ndb_eng
NDB*API*(C++)

12. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Cluster*7.4*–*
NoSQL:*20 / & *
FlexAsych*(C++*NDB*API)
SQL:*250
/ & *
DBT2*BM
12
!"!!!!
!50,000,000!!
!100,000,000!!
!150,000,000!!
!200,000,000!!
!250,000,000!!
2! 4! 6! 8! 10! 12! 14! 16! 18! 20! 22! 24! 26! 28! 30! 32!
Reads&per&second&
Data&Nodes&
FlexAsync&Reads&
!"!!!!
!500,000!!
!1,000,000!!
!1,500,000!!
!2,000,000!!
!2,500,000!!
!3,000,000!!
2! 4! 6! 8! 10! 12! 14! 16!
SQL$Statements/sec$
Data$Nodes$
DBT2$SQL$Statements$per$Second$

13. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Labs
13

14. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Labs
• *
– *
• MySQL MySQL*Cluster *
– MySQL*5.6*memcached*API*
– MySQL*Cluster*7.2*memcached*API*
– MySQL*5.6*Performance*Schema*
– MySQL*5.6*Intrapschema*MulI*Thread*Slave*
– MySQL*5.6*Online*Alter*Table*
– MySQL*5.7*MulI*Source*ReplicaIon*
– MySQL*5.7*New*OpImizer*Cost*Model
14

15. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
• ” ” *
• *
– ( *
– “OpImisIc*State*Machine”* *
• *
– *
– / *
– *
– *
• *
– InnoDB*
– GTID *
– PERFORMANCE_SCHEMA*
*
*
ApplicaIon*
MySQL*Masters* ReplicaIon**
Plugin*
API*
MySQL*
Server*
Group*Comms*
(Corosync)*
15*
labs.mysql.com*

16. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*Binlog*Events
Binlog*API
• C++ *
• *
– 2 "transport"*
– TCP*Transport*&*File*Transport*
• *
– *
• API*
hmp://mysqlhighavailability.com/author/nehakumari/*
16

17. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
HTTP*Plugin*for*MySQL*
• MySQL HTTP(S) *
• UTF8 JSON *
• 3 *
– SQL*
– CRUD*p*KeypValue*
– JSON*p*Document*
• For*more*details;*
hmp://www.slideshare.net/nixnutz/hmpppluginpforpmysqlp39598656*
17*

18. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
HTTP*Plugin*for*MySQL*–*
SQL CRUD JSON*
URL hXp[s]://server:port/sql/ hXp[s]://server:port/crud/ hXp[s]://server:port/doc/
SQL CRUD CRUD
JSON *
SQL Yes No No
HTTP GET GET,*PUT.*DELETE GET,*PUT.*DELETE*
Yes No Yes
Yes Yes Yes
UTFG8 UTFG8 UTFG8
Yes Yes Yes
18

19. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
HTTP*Plugin*for*MySQL
The*SQL*endpoint*and*JSON*
19
shell> curl -X GET --user scott:tiger --url 'http://127.0.0.1:8080/sql/world/
SELECT+ID,Name+FROM+City+WHERE+Name=%27Tokyo%27'
[
{
"meta":[
{"type":,"catalog":"def","database":"world","table":"City","org_table":"ci
ty","column":"ID","org_column":"ID","charset":63,"length":11,"flags":
16899,"decimals":0},
{"type":
254,"catalog":"def","database":"world","table":"City","org_table":"city","column
":"Name","org_column":"Name","charset":33,"length":105,"flags":1,"decimals":0}
],
"data":[
["1532","Tokyo"]
],
"status":[{"server_status":34,"warning_count":0
}
]

20. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
HTTP*Plugin*for*MySQL*p*IniIal*version*
• HTTP*Basic*AuthenIcaIon*for*SSL*and*NonpSSL**
• No*query*cache*support**
• No*commercial*thread*pool*plugin*support**
• Not*all*MySQL*pluggable*auth*methods*supported**
• Unlimited:*all*SQL*statements**
• Unlimited:*everything*the*server*returns**
20*
shell> curl --user basic_auth_user:basic_auth_passwd
--url "http://.../sql/db/SELECT+col_float+FROM+sql_types"

21. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
HTTP*Plugin*for*MySQL
GET*=*SELECT*
21
shell> curl ... --url "http://../crud/db/sql_types/1"
{
"id" : "1",
"col_char" : "CHAR(127)" ,
"col_null" : null,
"col_date" : "2014-12-23",
"col_decimal" : "123.45",
"col_float" : "0.9999",
"col_bigint" : "9223372036854775807"
}
shell> curl ... --url 'http://../crud/db/simple/'
{
"errno" : 2000,
"error" : "The request URL must include a primary key value”
}

22. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.7*Release*Candidate*2*Available!*
22*
InnoDB :** *
Online&Bulk*load* *
*
*(mulIpsource,*mulIpthreaded*slaves )*
:*
greater*user*control*&*bemer*query*performance*
Performance*Schema *
MySQL*SYS*Schema *
*&* * *
MySQL*5.6 2 *
:**
,* & *
NEW!*JSON Support*(now*in*labs)*
RC2*
And*many*more*new*features*and*enhancements...*hmp://mysqlserverteam.com/thepmysqlp5p7p7preleasepcandidatepispavailable/*!

23. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.7*JSON
23

24. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.7:*JSON*
• *
• JSON *
– *
• JSON *
– *
– SQL *
• Generated*Columns( ) **
– InnoDB STORED VIRTUAL Generated*Columns *
– *
• hmp://mysqlserverteam.com/jsonplabspreleasepoverview/*
24*
RC2*

25. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.7:*JSON
25
mysql> CREATE TABLE employees (ename JSON);
Query OK, 0 rows affected (0,01 sec)
mysql> INSERT INTO employees VALUES ('{"id": 1, "name": "Jane"}');
Query OK, 1 row affected (0,00 sec)
mysql> INSERT INTO employees VALUES ('{"id": 2, "name": "Joe"}');
Query OK, 1 row affected (0,00 sec)
mysql> SELECT * FROM employees;
+---------------------------+
| ename|
+---------------------------+
| {"id": 1, "name": "Jane"} |
| {"id": 2, "name": "Joe"} |
+---------------------------+
2 rows in set (0,00 sec)
RC2*

26. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
MySQL*5.7:*JSON
• Document*ValidaIon*
– on*insert*only**
• Efficient*Access*
26
mysql> INSERT INTO employees VALUES ('some random text');
ERROR 3130 (22032): Invalid JSON text: "Expect a value here." at position 0 in
value (or column) 'some random text'.
mysql> SELECT JSON_EXTRACT(ename, '$.name') FROM employees;
+-------------------------------+
| JSON_EXTRACT(ename, '$.name') |
+-------------------------------+
| "Jane" |
| "Joe" |
+-------------------------------+
2 rows in set (0,00 sec)
RC2*

27. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
New*JSON*datatype:*Supported*Types
• JSON *
– Bool*
– *
• *
– (dateIme) (Imestamp)*
– NULL*(5.7.9*)*
–
27
RC2*

28. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
• json_array()
– Build*a*JSON*array*from*list*of*expressions*
• json_object()
– Builds*JSON*objects*from*a*variable*length*list*
of*key/value*pairs*
• json_insert()
– Adds*'missing'*data*to*JSON*documents*
• json_remove()
– Removes*amributes*from*exisIng*JSON*
documents*
• json_set()
– Sets*amributes*within*JSON*documents*
• json_replace()
– Replaces*(but*doesn't*add)*amributes*within*
JSON*documents*
• json_append()
json_array_append()*(5.7.9+)*
– Adds*a*value*to*the*end*of*an*array*
• json_merge()
– Merges*two*arrays**
• json_extract()
– Returns*a*value*nested*inside*of*a*JSON*
document*
28*
JSON*FuncIons*for*CreaIng*&*ManipulaIng*
*JSON*Documents*
RC2*

29. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
• json_search()
– Search*for*values*within*JSON*documents*and*
return*their*locaIons*
• json_contains()
– Checks*for*a*specific*element*and*value*
• json_contains_path()
– Determine*if*a*specific*element*is*present*in*a*
document*in*a*specific*posiIon*
• json_valid()
– Check*if*document*is*a*valid*JSON*document*
• json_type()
– Find*the*type*of*a*value*within*a*document*
• json_keys()
– Returns*arrays*of*the*key*names*for*the*JSON*
documents*
• json_length()
– Number*of*elements*in*JSON*document*
• json_depth()
– Level*of*nesIng*in*JSON*document*
• json_unquote()
– Helps*move*from*JSON*to*other*MySQL*types*
• json_quote()
– Helps*move*from*other*MySQL*types*to*JSON*
29*
Query*and*Search*JSON*FuncIons*
RC2*

30. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
New*FuncIons*to*Handle*JSON*Data:*Path
• [[[database.]table.]column]$<path*spec>
30
• Path*expr*
– [*[*[database.]*table.]*field]*
– $*
– .idenIfier*
– [array]*
– .**and*[*]*
– **
• Example*
– db.phonebook.data*(future*
extension)**
– document’s*root*
– $.user.address.street*
– $.user.addresses[2].street*
– $.user.addresses[*].street*
– $.user**.phone**
RC2*

31. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
Generated*Columns*p* *
• Virtual*Generated*Column*
– *
– *
• Stored*Generated*Column*
– *
– *
mysql> ALTER TABLE employees ADD iname VARCHAR(100)
GENERATED ALWAYS AS(json_extract(ename, '$.name')) VIRTUAL;
mysql> ALTER TABLE employees ADD INDEX(iname);
hmp://mysqlserverteam.com/*
31*
JSON *
RC2*

32. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
•
*
– JOIN*
– *
–
*
• *
– /
*
33*
?*

33. Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*
The*world's*most*popular*open*source*database*
*
34