func (this *IndexJoin) joinEntry(item value.AnnotatedValue,
entry *datastore.IndexEntry, context *Context) (found, ok bool) {
var jv value.AnnotatedValue
covers := this.plan.Covers()
if len(covers) == 0 {
jv, ok = this.fetch(entry, context)
if jv == nil || !ok {
return jv != nil, ok
}
} else {
jv = value.NewAnnotatedValue(nil)
meta := map[string]interface{}{"id": entry.PrimaryKey}
jv.SetAttachment("meta", meta)
for i, c := range covers {
jv.SetCover(c.Text(), entry.EntryKey[i])
}
}
joined := item.Copy().(value.AnnotatedValue)
joined.SetField(this.plan.Term().Alias(), jv)
return true, this.sendItem(joined)
}
