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Typesafe SQL in Java Softwerkskammer Sachsen Meetup 26. Mai 2020
Dominik Hirt
Das Problem
(K)eine großen Freunde
Viele „Lösungen“ Hibernate / HQL Spring Data Derived Query Method und viele andere ORM’s JPA / JPQL JIRA / JQL Aber Hibern...
ColumnType Checks
Entity Attribute Refactoring [ Spring Data Derived Query Methods ]
Complex Query Strings
#epicfail
Criteria API
Die Lösung
ArbitraryType Fetching endlich überall Projections
Entity Attribute Refactoring Hurra, ein compile error
Complex Query Strings
Complex Query Strings II
Complex Query Strings III
JOOQ to the rescue ! https://www.jooq.org/
JAVA OBJECT ORIENTED QUERYING • query builder framework • Java DSL • DB Schema im Zentrum • Typesafe • OpenSource / kommer...
Wie DB Schema Java Quellen
DB Migration jooq generator
lots of generator options generate POJOs generate DAOs generate from liquibase changelogsimple crud with (generated) recor...
Dynamic Where Clause
noch die Criteria API aber KEINE Projections möglich, nur Entities
<DEMO>
dominik @ todo42.de
Typesafe SQL in Java
Typesafe SQL in Java
Typesafe SQL in Java
Typesafe SQL in Java
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Typesafe SQL in Java

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Write Typesafe SQL in Java using JOOQ

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Typesafe SQL in Java

  1. 1. Typesafe SQL in Java Softwerkskammer Sachsen Meetup 26. Mai 2020
  2. 2. Dominik Hirt
  3. 3. Das Problem
  4. 4. (K)eine großen Freunde
  5. 5. Viele „Lösungen“ Hibernate / HQL Spring Data Derived Query Method und viele andere ORM’s JPA / JPQL JIRA / JQL Aber Hibernate im Jahr #19
  6. 6. ColumnType Checks
  7. 7. Entity Attribute Refactoring [ Spring Data Derived Query Methods ]
  8. 8. Complex Query Strings
  9. 9. #epicfail
  10. 10. Criteria API
  11. 11. Die Lösung
  12. 12. ArbitraryType Fetching endlich überall Projections
  13. 13. Entity Attribute Refactoring Hurra, ein compile error
  14. 14. Complex Query Strings
  15. 15. Complex Query Strings II
  16. 16. Complex Query Strings III
  17. 17. JOOQ to the rescue ! https://www.jooq.org/
  18. 18. JAVA OBJECT ORIENTED QUERYING • query builder framework • Java DSL • DB Schema im Zentrum • Typesafe • OpenSource / kommerziell
  19. 19. Wie DB Schema Java Quellen
  20. 20. DB Migration jooq generator
  21. 21. lots of generator options generate POJOs generate DAOs generate from liquibase changelogsimple crud with (generated) records lots of fetching options return values on store nearly 1:1 from sql to java code
  22. 22. Dynamic Where Clause
  23. 23. noch die Criteria API aber KEINE Projections möglich, nur Entities
  24. 24. <DEMO>
  25. 25. dominik @ todo42.de

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