WebdriverClassName - The class name of the JDBC driver. username - The username used to establish a JDBC connection. password - The password used to establish a JDBC connection. url - The JDBC URL of the database. dbCreate - Whether to auto-generate the database from the domain model - one of 'create-drop', 'create', 'update' or 'validate'. … WebJul 18, 2024 · Rather than executing this by issuing a raw SQL command I’d like to use GORM. The naïve way to do it would be something along the lines of: public void updateCounter () { Counter c = Counter.get (1) c.countValue += 1 c.save () } In this case I’d assume that an update could be lost if two threads call the updateCounter () method at …
Grails Database Migration Plugin - GitHub Pages
WebSep 17, 2016 · 1. The fastest and most performant way would be to use dialect-specific SQL queries and no ORM at all. In GORM/Hibernate there's no substantial differences between those ways, what is more important is the code readability. In this case the criteria queries win over SQL/HQL counterparts, unless findAllBy* can be applied. WebJan 28, 2015 · In Grails, there are two domain methods to use to invoke HQL executeQuery – Executes HQL queries (SELECT operations) executeUpdate – Updates the database with DML-style operations (UPDATE and DELETE) executeQuery Here is a sample Domain class that we will query from: 1 2 3 4 5 6 7 8 package asia.grails.test class Person { … towers grocery
Grails Framework
WebFeb 15, 2024 · grails dbm-changelog-sync Running this script is primarily a no-op except that it records the execution (s) in the Liquibase DATABASECHANGELOG table. To create a changelog from your domain classes, use the dbm-generate-gorm-changelog script: … WebThe Grails guides repositories contain two folders: initial Initial project. Often a simple Grails app with some additional code to give you a head-start. complete A completed example. It is the result of working through the steps presented by the guide and applying those changes to the initial folder. WebGORM is the data access toolkit used by Grails and provides a rich set of APIs for accessing relational and non-relational data including implementations for Hibernate (SQL), MongoDB, Neo4j, Cassandra and an in-memory ConcurrentHashMap for testing. towers group