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decoy2004 id:decoy2004

Javaã¨jdbcã«é–¢ã™ã‚‹decoy2004ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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jOOQ (Java Object Oriented Querying) ã®ä½¿ã„æ–¹ã®ç´¹ä»‹ - æ„›ã¨å‹‡æ°—ã¨ç¼¶ãƒ“ãƒ¼ãƒ«
jOOQ (http://www.jooq.org/) ã«ã¤ã„ã¦ã®ãƒ¡ãƒ¢ã€‚ jOOQã¯ã€type safeã‹ã¤database orientedãªã‚¯ã‚¨ãƒªãƒ“ãƒ«ãƒ€ãƒ¼ã§ã‚ã‚‹ã€‚ database orientedãªã®ã§ã€ã€Œã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‹ã‚‰DBã®ã“ã¨ãªã‚“ã¦å…¨ç„¶æ„è˜ã—ãŸããªã„ãã‚“ã€çš„ãªæ€æƒ³ã«åŸºã„ã¦ä½œã‚‰ã‚ŒãŸé¡žã®ãƒ—ãƒãƒ€ã‚¯ãƒˆã¨ã¯ç•°ãªã‚Šã€æ€ã„é€šã‚Šã®SQLã‚’ç”Ÿæˆã§ãã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ã‚‹ã€‚ ä»¥ä¸‹gradleå‰æã§ã€‚versionç‰ã¯ã‚ˆã—ãªã«ã€‚ gradle dependenciesã¯ã“ã‚“ãªæ„Ÿã˜ compile 'org.jooq:jooq:3.7.1' compile 'org.jooq:jooq-meta:3.7.1' ãƒ†ãƒ¼ãƒ–ãƒ«ç‰ã«ç›¸å½“ã™ã‚‹ã‚¯ãƒ©ã‚¹ã‚’gradle taskã‹ã‚‰ç”Ÿæˆã™ã‚‹ãŸã‚ã«buildscriptã®dependenciesã«ã‚‚ä»¥ä¸‹ã‚’ã‹ã„ã¦ãŠã classpath 'org.jooq:jooq-cod
decoy2004 2015/12/14
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jdbc

java

SQL

database
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MySQL Connector/J (JDBC ãƒ‰ãƒ©ã‚¤ãƒ)ã®ç½ ã¾ã¨ã‚ - ~saiya/hatenablog
MySQL JDBC ãƒ‰ãƒ©ã‚¤ãƒ(MySQL Connector/J)ã€Java ã§ MySQL ã¨ã„ãˆã°ã¾ãšã‚³ãƒ¬ã ãŒã€ã“ã‚Œã¾ãŸåœ°å‘³ã«ç½ ãŒå¤šã„(ãã—ã¦å¤šãã®äººãŒè¸ã‚“ã§è‹¦ã—ã‚€)ã®ã§ã¾ã¨ã‚ã¦ã¿ãŸã€‚ (2015/03/19) ã“ã¡ã‚‰ ã®ã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã§ã”æŒ‡æ‘˜ãŸã ã„ãŸ wait_timeout ã®ä»¶ã«ã¤ã„ã¦è¨˜äº‹ä¿®æ£ã„ãŸã—ã¾ã—ãŸã€‚ Summary ä»¥ä¸‹ã€ã„ãšã‚Œã‚‚ãƒ—ãƒã‚°ãƒ©ãƒ è¨è¨ˆæ™‚ã«ç†è§£ã—ã¦ãŠã‹ãªã„ã¨ã€é–‹ç™ºä¸ã¯å¤§ä¸ˆå¤«ãã†ã§ã‚‚å®Ÿç”¨ã—ãŸé€”ç«¯ã«è‹¦ã—ã¾ã•ã‚Œã‚Œã¦ã—ã‹ã‚‚è¨è¨ˆã‹ã‚‰æ²»ã™ç¾½ç›®ã«ãªã‚‹è¦æ³¨æ„ãªç½ ã§ã‚ã‚‹: SELECT çµæžœã¯å…¨éƒ¨ãƒ¡ãƒ¢ãƒªã«è¼‰ã£ã¦ã—ã¾ã† (ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆè¨å®šã§) å¤§é‡ SELECT ã™ã‚‹å ´åˆã¯ FetchSize, ResultSetType ã‚’è¦è¨å®š åˆ©ç”¨æ™‚ã«ã¯åˆ¶ç´„ãŒã‚ã‚‹ã®ã§ã€è¨è¨ˆæ®µéšŽã‹ã‚‰è€ƒæ…®ã—ãªã‘ã‚Œã°ãªã‚‰ãªã„ (å¾Œè¿°) idle æ™‚é–“ã®ã€Œåˆè¨ˆã§ã€ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒåˆ‡ã‚‰ã‚Œã‚‹ å‰å›žã®ã‚¯ã‚¨ãƒªå‡¦ç†ã‹ã‚‰ä¸€å®šæ™‚é–“ä»¥ä¸ŠçµŒ
decoy2004 2014/08/21
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mysql

jdbc

java
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Jdbi 3 Developer Guide
Jdbi provides convenient, idiomatic, access to relational data in Java. Jdbi 3 is the third major release, which introduces enhanced support for modern Java, countless refinements to the design and implementation, and enhanced support for modular development through plugins and extensions. Jdbi is built on top of JDBC. If your data source has a JDBC driver, you can use it with Jdbi. It improves JD
decoy2004 2014/02/07
jdbc

sql

java

database
ãƒªãƒ³ã‚¯
S2Dao ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹
TABLEã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ ãƒ†ãƒ¼ãƒ–ãƒ«ã¨ã®é–¢é€£ä»˜ã‘ã¯TABLEã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½¿ç”¨ã—ã¾ã™ã€‚ TABLEã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã¯ä»¥ä¸‹ã®å½¢å¼ã§å®šæ•°ã‚’å®£è¨€ã—ã¾ã™ã€‚ - public static final String TABLE = â€œãƒ†ãƒ¼ãƒ–ãƒ«åâ€; EMPãƒ†ãƒ¼ãƒ–ãƒ«ã®å ´åˆä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ public static final String TABLE = "EMP"; ã‚¹ã‚ãƒ¼ãƒžã®å®šç¾©ã‚’ã™ã‚‹ã“ã¨ã‚‚å¯èƒ½ã§ã™ã€‚ã‚¹ã‚ãƒ¼ãƒžåãŒ"SCOTT"ã®å ´åˆã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ public static final String TABLE = "SCOTT.EMP"; â€»ã‚¯ãƒ©ã‚¹åã‹ã‚‰ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸åã‚’é™¤ã„ãŸåå‰ãŒãƒ†ãƒ¼ãƒ–ãƒ«åã¨ä¸€è‡´ã™ã‚‹å ´åˆã¯ã€TABLEã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å®šç¾©ã™ã‚‹å¿…è¦ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ ã¾ãŸã€dao.diconã§org.seasar.dao.impl.DecamelizeTableNamingã‚’æŒ‡å®šã—ã¦ã„ã‚‹
decoy2004 2009/07/23
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programming

java

jdbc

framework

sql
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Seasar2 - S2JDBC - JdbcManager - SQLè‡ªå‹•ç”Ÿæˆã«ã‚ˆã‚‹æ“ä½œ
List<Employee> results = jdbcManager .from(Employee.class) .getResultList(); æ¤œç´¢ã™ã‚‹ã‚¨ãƒ³ãƒ†ã‚£ãƒ†ã‚£ã¯ã€ from() ã§æŒ‡å®šã—ã¾ã™ã€‚ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ã€çµæžœãŒãªã‹ã£ãŸå ´åˆã¯ã€ ç©ºã® List ãŒè¿”ã•ã‚Œã¾ã™ã€‚ disallowNoResult() ã‚’å‘¼ã³å‡ºã™ã¨ã€ çµæžœãŒãªã‹ã£ãŸå ´åˆã¯ javax.persistence.NoResultException ãŒç™ºç”Ÿã—ã¾ã™ã€‚
decoy2004 2009/07/23
ãƒ•ã‚§ãƒƒãƒã‚µã‚¤ã‚ºã‚’æŒ‡å®šã™ã‚‹å ´åˆã¯ã€ fetchSize() ã‚’ä½¿ã„ã¾ã™ã€‚

java

jdbc

framework

sql

programming
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