Querydsl
Dapper
| Querydsl | Dapper | |
|---|---|---|
| 6 | 40 | |
| 4,575 | 17,140 | |
| 0.5% | 0.5% | |
| 4.1 | 8.3 | |
| 3 days ago | 4 days ago | |
| Java | C# | |
| 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?
Dapper
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Working with Dapper/SQL-Server Framework 4.8 C#
In both samples to get all records and to get a single record works fine but there is a better way to perform the same work using NuGet package Dapper. Dapper is extremely easy to use and built with performance in mind. In the source code provided the basic operations are covered, to take things to the next level and read the information at GitHub, the following page and other code samples in the following repository.
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Working with Dapper in C#
In this article learn how to use Dapper an open-source object-relational mapping (ORM) library for .NET and .NET Core applications. Unlike many articles out there, this one will provide source code to try everything out that is shown in an easy-to-follow way by beginning with a single table then in part two of this series will work with multiple tables.
- Interceptors (new C# metaprogramming feature) to fuel DapperAOT development
- API REST C# Entity Framework y SQL
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Integration Testing Postgres Store
Dapper
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REST API using C# .NET 7 with MySql
I will be using Dapper - a simple object mapper for .Net along with MySqlConnector.
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Resources for learning minimal API using dapper in .net
Maybe the more basic approach to dapper is their documentation https://github.com/DapperLib/Dapper the readme but again most likely you not gonna understand
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SQL Connection Question
I think EF Core & EF are the successors to LINQ to SQL that you'd wanna look into, and/or Dapper if you wanna go lower.
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Dapper is die?
The main maintainers of Dapper no longer work at Stack, but they're active enough to comment on recent pull requests: https://github.com/DapperLib/Dapper/pull/1887.
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Is MSSQL Server the easiest sql database to integrate with a C# .NET application?
MarieDB and dapper https://github.com/DapperLib/Dapper
What are some alternatives?
jOOQ - jOOQ is the best way to write SQL in Java
efcore-dapper-benchmark - A project that I have created to benchmark the read/write performance of EFCore vs Dapper
JDBI - The Jdbi library provides convenient, idiomatic access to relational databases in Java and other JVM technologies such as Kotlin, Clojure or Scala.
Npgsql - Npgsql is the .NET data provider for PostgreSQL.
Jinq - LINQ-style queries for Java 8
PetaPoco - Official PetaPoco, A tiny ORM-ish thing for your POCO's
Apache Hive - Apache Hive
Knex - A query builder for PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3 and Oracle, designed to be flexible, portable, and fun to use.
Spring Data JPA - Simplifies the development of creating a JPA-based data access layer.
Hasura - Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.
Presto - The official home of the Presto distributed SQL query engine for big data
pg-ulid - ULID Functions for PostgreSQL