// prepareBgJob prepares a background job.
func (d *ddl) prepareBgJob(t *meta.Meta, ddlJob *model.Job) error {
job := &model.Job{
ID: ddlJob.ID,
SchemaID: ddlJob.SchemaID,
TableID: ddlJob.TableID,
Type: ddlJob.Type,
Args: ddlJob.Args,
}
err := t.EnQueueBgJob(job)
return errors.Trace(err)
}
// prepareBgJob prepares a background job.
func (d *ddl) prepareBgJob(t *meta.Meta, ddlJob *model.Job) error {
job := &model.Job{
ID: ddlJob.ID,
SchemaID: ddlJob.SchemaID,
TableID: ddlJob.TableID,
Type: ddlJob.Type,
}
if len(ddlJob.Args) >= 2 {
// ddlJob.Args[0] is the schema version that isn't necessary in background job and
// ddlJob.Args[1] is the table information or the database information.
// They will make the background job of dropping schema become more complicated to handle.
job.Args = ddlJob.Args[2:]
}
err := t.EnQueueBgJob(job)
return errors.Trace(err)
}