Grails on Groovy: Get Retrieve MySQL Database name from DataSource | Get List of MySQL Tables | Execute MySQL Raw Query

import grails.util.Holders
import org.hibernate.SessionFactory
import org.apache.commons.lang.StringUtils

def dataSource
SessionFactory sessionFactory

String connectionURL = dataSource.targetDataSource.targetDataSource.poolProperties.url
connectionURL = StringUtils.substringAfterLast(connectionURL, '/')
connectionURL = StringUtils.substringBefore(connectionURL, '?')
println(connectionURL)

String databaseName = sessionFactory.currentSession.createSQLQuery("SELECT DATABASE()")
        .setReadOnly(true).setCacheable(false).list().first()
println(databaseName)

String query = "SELECT table_name FROM information_schema.tables WHERE table_schema='$databaseName'".toString()
List list = sessionFactory.currentSession.createSQLQuery(query)
        .setReadOnly(true).setCacheable(false).list()
println(list.size())
println(list)