我正在使用 Grails 2.2.4 和db-migrate插件 1.3.5。我的数据库是mysql。
与数据库同步的现有模型是:
class User {
String description
}
Hibernate 用它在 mysql 中生成了一个 varchar(255)。我需要一个更长的文本列,所以我做了:
class User {
String description
static mapping = {
description type: 'text'
}
}
然后我跑了 dbm-gorm-diff change-column.groovy -add
并得到以下错误。我应该怎么办?
| Starting dbm-gorm-diff
| Error org.hibernate.MappingException: No Dialect mapping for JDBC type: 7
| Error at grails.plugin.databasemigration.GormDiff.areEquivalent(GormDiff.groovy:146)
| Error at grails.plugin.databasemigration.GormDiff.isDifferent(GormDiff.groovy:114)
| Error at grails.plugin.databasemigration.GormDiff.compare(GormDiff.groovy:68)
| Error at grails.plugin.databasemigration.ScriptUtils.createAndPrintFixedDiff(ScriptUtils.groovy:244)
| Error at DbmGormDiff$_run_closure1_closure2_closure3.doCall(DbmGormDiff:53)
| Error at grails.plugin.databasemigration.MigrationUtils.executeInSession(MigrationUtils.groovy:132)
| Error at DbmGormDiff$_run_closure1_closure2.doCall(DbmGormDiff:50)
| Error at grails.plugin.databasemigration.ScriptUtils.executeAndWrite(ScriptUtils.groovy:104)
| Error at DbmGormDiff$_run_closure1.doCall(DbmGormDiff:49)