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(Quick Reference)

findWhere

Purpose

Uses named arguments corresponding to domain class property names to execute a query returning the first matching result.

Examples

Given the domain class:

class Book {

   String title
   Date releaseDate
   String author

   static constraints = {
      releaseDate nullable: true
   }
}

You can query in the form:

def book = Book.findWhere(author: "Stephen King", title: "The Stand")

boolean isReleased = Book.findWhere(author: "Stephen King",
                                    title: "The Stand",
                                    releaseDate: null) != null

Description

Parameters:

  • queryParams - A Map of key/value pairs to be used in the query