func migrateSearch(db *bolt.DB, data database.DataAccess) error {
migrated, err := isMigrated(db, "search")
if err != nil {
return err
}
if !migrated {
slog.Info("Migrating Search data to new database format")
type duple struct{ A, B string }
type present map[string]int64
type qmap map[duple]present
type smap map[string]present
metric := qmap{}
if err := decode(db, "metric", &metric); err == nil {
for k, v := range metric {
for metric, time := range v {
data.Search().AddMetricForTag(k.A, k.B, metric, time)
}
}
} else {
return err
}
tagk := smap{}
if err := decode(db, "tagk", &tagk); err == nil {
for metric, v := range tagk {
for tk, time := range v {
data.Search().AddTagKeyForMetric(metric, tk, time)
}
data.Search().AddMetric(metric, time.Now().Unix())
}
} else {
return err
}
tagv := qmap{}
if err := decode(db, "tagv", &tagv); err == nil {
for k, v := range tagv {
for val, time := range v {
data.Search().AddTagValue(k.A, k.B, val, time)
data.Search().AddTagValue(database.Search_All, k.B, val, time)
}
}
} else {
return err
}
err = setMigrated(db, "search")
if err != nil {
return err
}
}
return nil
}
