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MySQL 5.7のJSON型について | MySQL Casual Talks in Fuk...
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Manabu Matsuzaki
December 13, 2016
Technology
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MySQL 5.7のJSON型について | MySQL Casual Talks in Fukuoka vol.6 #mysql_casual_fukuoka /mysql-casual-talks-fukuoka-vol6
Manabu Matsuzaki
December 13, 2016
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Transcript
MySQL 5.7 ͷJSONܕ ʹ͍ͭͯ MySQL Casual Talks in Fukuoka vol.6
2016/11/09 @matsumana
ࣗݾհ • ໊લɿ দ࡚ ֶ • ॴଐɿ LINE Fukuokaגࣜձࣾ ιϑτΣΞΤϯδχΞʢ։ൃɾӡ༻ʣ
• Twitterɿ @matsumana
ΞδΣϯμ • JSONܕͷಛ • Java͔ΒͬͯΈͨ
5.7͕ϦϦʔε͞Εͯ Ұ͕ա͗·ͨ͠Ͷ
MySQLͷྺ࢙ • MySQL 5.7 ʢ2015/10ϦϦʔεʣ • MySQL 5.6 ʢ2013/02ϦϦʔεʣ •
MySQL 5.5 ʢ2010/12ϦϦʔεʣ • MySQL 5.1 ʢ2008/11ϦϦʔεʣ • MySQL 5.0 ʢ2005/10ϦϦʔεʣ • MySQL 4.1 ʢ2004/10ϦϦʔεʣ • MySQL 4.0 ʢ2003/03ϦϦʔεʣ • MySQL 3.23 ʢ2001/01ϦϦʔεʣ • MySQL 3.23Ҏલ
5.7ͬͯ·͔͢ʁ
5.7Ͱ170Λ͑Δ ػೳՃมߋ͕ ؚ·Ε͍ͯ·͢
શ෦Ѳ͢Δͷ ΊͬͪΌେมͰ͕͢
͓͢͢Ίͷຊ͕ ͋Γ·͢
ॻ੶ൃߦͷ͓ΒͤɿৄղMySQL 5.7 ʙਐԽͨ͠MySQLΛΑ͘ΔͨΊͷςΫχΧϧΨΠυʙ
͜ΕΛಡΜͩΒ 5.7Λ͍ͨ͘ͳΔͣ :)
ࠓճJSONܕʹ͍ͭͯ ௐͯདྷ·ͨ͠
MySQLͷJSONܕͷಛ • ετϨʔδΤϯδϯ্BLOBͱͯ֨͠ೲ͞Ε͍ͯΔ • JSON pathͰjsonͷ߲ΛࢀরͰ͖Δ • ->ԋࢉࢠ͕͋ΔͷͰɺSQL͕ͪΐͬͱݟ͍͢ • generated
columnػೳͱ߹Θͤͯ͏ͱɺjsonͷ߲ʹ ΠϯσοΫεషΕͨΓɺ੍Λ͚ͨΓग़དྷΔ
Java͔ΒͬͯΈͨ • αϯϓϧΞϓϦͷιʔε https://github.com/matsumana/mysql-json-sandbox • ڥ • OSɿ CentOS 7.2
(1511) • MySQLɿ 5.7.16 Community Edition • JDBC Driverɿ Connector/J 5.1.40 • Java8 (1.8.0_111) • Frameworkɿ Spring Boot 1.4.1 • ORMɿ MyBatis 3.4.0
αϯϓϧΞϓϦΛ σϞ͠ͳ͕Β આ໌͍͖ͯ͠·͢
ҙ • JSONܕΛ͑σʔλΛॊೈʹѻ͑ͯ ศརͦ͏Ͱ͋Γ·͕͢ɺԿͰ͔ΜͰ1ͭͷΧϥϜʹೖΕ ͯ͠·͏ઃܭɺʮEAVΞϯνύλʔϯʯͱݺΕ͍ͯ·͢ ˞ࢀߟ PostgreSQLͷΞϯνύλʔϯ : ԿͰ͔ΜͰjsonʹೖΕΔ
ϦϯΫू • MySQL :: MySQL 5.7 Reference Manual :: 12.6
The JSON Data Type • ॻ੶ൃߦͷ͓ΒͤɿৄղMySQL 5.7 ʙਐԽͨ͠MySQLΛΑ͘Δ ͨΊͷςΫχΧϧΨΠυʙ • MySQL 5.7.8͔ΒInnoDBͷgenerated column࣮ମΛऔΒͣʹΠϯ σοΫεΛ࡞ΕΔΑ͏ʹͳͬͨ • PostgreSQLͷΞϯνύλʔϯ : ԿͰ͔ΜͰjsonʹೖΕΔ • SQLΞϯνύλʔϯ • αϯϓϧΞϓϦͷιʔε