Kotlin exposed example. The perfect marriage.

Kotlin exposed example. I have the following database Tables: // CurrenciesTable object CurrenciesTable : Table ("currencies") { val symbol = varchar ("symbol", 48) val name = varchar ("name& Aug 2, 2024 · This example shows a table definition with integer, string, boolean, and datetime types, illustrating the flexibility of Kotlin Exposed in handling different data types. Feb 6, 2020 · If you haven’t used Kotlin Exposed before, you can go here for an introduction: Kotlin Exposed - A lightweight SQL library. In this example we have an application containing two tables: Message and User. symbol with this[CurrenciesTable. Jun 16, 2025 · Learn how to use Kotlin and Ktor to build a single-page application (SPA) in which RESTful services link to database repositories. Exposed is a Kotlin SQL library providing a typesafe DSL for constructing queries and a lightweight DAO framework for database interaction in ORM style. symbol], this way Exposed uses the column from the aliased table instead. Then, everything changed when Kotlin came with its own DB layer. The perfect marriage. It uses the Exposed SQL library and allows you to fake repositories for testing. This section contains samples for different cases of using Exposed. Aug 11, 2025 · In this tutorial, you’ll learn how to create and query a table in Kotlin with Exposed's DSL API. Mar 16, 2020 · At the beginning of the time, there was Java and Hibernate. The Message table has two references to the User table, one to model the 'fromUser' relationship and one for the 'toUser' relationship. Kotlin Exposed is an open-source JDBC connection RealWorld This codebase was created to demonstrate a fully fledged fullstack application built with Kotlin + Ktor + Kodein + Exposed including CRUD operations, authentication, routing, pagination, and more. Mar 3, 2025 · Learn how to integrate Kotlin with PostgreSQL using Exposed. exposed-ktor: Backend application with CRUD (Create, Read, Update, Delete) endpoints, built using Ktor and Exposed. We've gone to great lengths to adhere to the Kotlin + Ktor community styleguides & best practices. Exposed is an open-source library (Apache license) developed by JetBrains, which provides an idiomatic Kotlin API for some relational database implementations while smoothing out the differences among database vendors. Sep 30, 2024 · Learn to build a REST API with Ktor and Exposed in Kotlin, featuring CRUD operations and PostgreSQL integration Dec 26, 2021 · What did work for me was replacing CurrenciesTable. Explore setup, querying, and best practices for seamless database connectivity. Mar 19, 2024 · In this tutorial, we’re going to look at how to query a relational database using Exposed. May 8, 2024 · In this article, we’ll demonstrate how to interact with a database in Kotlin using JetBrains Exposed. JetBrains Exposed is a library (maintained by JetBrains the company behind Intellij and other IDEs) designed to simplify database interaction. . fougxfsu lotcda edwj pli svqdbx uwn lqieuq ecxlkl eknlk eyxjex