Скачать или смотреть Executing SQL Migrations with Quarkus Flyway

Learn how to effectively use Quarkus Flyway to perform database migrations by referencing SQL scripts stored in a JAR file. This guide covers the necessary configuration and steps for a seamless experience.
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This video is based on the question https://stackoverflow.com/q/75286328/ asked by the user 'Daniel Bjørkholm' ( https://stackoverflow.com/u/11050595/ ) and on the answer https://stackoverflow.com/a/75371231/ provided by the user 'Daniel Bjørkholm' ( https://stackoverflow.com/u/11050595/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Executing SQL Migrations with Quarkus Flyway: A Complete Guide

Database migrations play a crucial role in maintaining the integrity and performance of applications. As developers, we often face challenges when trying to implement these migrations across various frameworks and libraries. One common dilemma arises when using Quarkus Flyway to execute SQL migrations that are stored in a separate repository and packaged in a JAR file. In this post, we will address this specific challenge and provide a clear solution.

The Problem

You have SQL migration scripts that are housed in a different repository, and these scripts need to be executed by Quarkus Flyway. You've packaged the scripts into a JAR file and published it to a private Nexus instance. The main question is how to correctly configure the quarkus.flyway.locations property so that Quarkus can find and execute these scripts.

The initial assumption is that you can set the locations in your configuration. Given the dependency structure:

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Your challenge is to determine the correct value for the quarkus.flyway.locations property.

Understanding the Solution

The key to resolving this issue lies in understanding how Quarkus Flyway locates migration files and the structure of your packaged JAR. Here’s how you can set up the quarkus.flyway.locations property correctly:

1. Proper Configuration

The first step is to configure the quarkus.flyway settings correctly. In your application.properties file, you need to explicitly define the locations of your migration scripts using the quarkus.flyway.myschema.locations. Here’s how you can do it:

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2. Breakdown of the Configuration

quarkus.flyway.myschema.locations: This property is specifically used to define where Quarkus Flyway should look for the migration scripts. By naming it myschema, you can easily associate it with your identified artifact.

classpath:: This prefix tells Quarkus to search for the specified paths within the classpath of your JAR file.

Directories:

myschema/baseline: This is where your baseline migration script should reside.

myschema/migrations: This directory should contain your actual migration SQL files.

3. Important Notes

Ensure that the SQL scripts are correctly organized within the JAR file structure to match your configuration.

If your .sql files are placed in different directories or packages, you may need to adjust the paths accordingly.

Conclusion

By setting the quarkus.flyway.myschema.locations property correctly, you can seamlessly execute SQL migrations stored in a JAR file with Quarkus Flyway. With the provided setup, your application will be ready to perform migration operations efficiently and effectively.

Feel free to reach out if you have more questions or need further assistance with Quarkus or Flyway!