| Querydsl | Jinq | |
|---|---|---|
| 6 | 1 | |
| 4,575 | 658 | |
| 0.5% | - | |
| 4.1 | 6.9 | |
| 3 days ago | 4 months ago | |
| Java | Java | |
| Apache License 2.0 | GNU General Public License v3.0 or later |
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Querydsl
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PostgreSQL Is Enough
There is a bit of tooling needed but is already around. For Java for example I had very good experience with a combination of flyway [1] for migrations, testcontainers [2] for making integration tests as easy as unit tests and querydsl [3] for a query and mapping layer.
[1] https://github.com/flyway/flyway
[2] https://java.testcontainers.org/modules/databases/postgres/
[3] https://github.com/querydsl/querydsl
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Apache Empire-Db: Full SQL Freedom for Java
http://querydsl.com/ also seems similar
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Useful & Unknown Java Libraries - Piotr's TechBlog
As for JPA: I cannot miss the QueryDSL library for building typesafe queries. Another interesting alternative is Jinq, that provides a java stream api to query entities.
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You might not need an ORM
> all I really want is a nice API for building queries (that actually supports all underlying database features) and automatic mapping of the results to whatever objects/structs and primitives the language supports.
For Java based solutions, check out https://www.jooq.org/ or http://querydsl.com/
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How do access sql through java in the real world?
QueryDsl -- http://querydsl.com
- How to build SQL query strings?
What are some alternatives?
jOOQ - jOOQ is the best way to write SQL in Java
JDBI - The Jdbi library provides convenient, idiomatic access to relational databases in Java and other JVM technologies such as Kotlin, Clojure or Scala.
Speedment - Speedment is a Stream ORM Java Toolkit and Runtime
Apache Hive - Apache Hive
Spring Data JPA - Simplifies the development of creating a JPA-based data access layer.
HikariCP - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
Presto - The official home of the Presto distributed SQL query engine for big data
H2 - H2 is an embeddable RDBMS written in Java.
Apache Phoenix - Apache Phoenix