Exemple #1
0
func (do *Domain) loadInfoSchema(m *meta.TMeta) (err error) {
	schemaMetaVersion, err := m.GetSchemaVersion()
	if err != nil {
		return errors.Trace(err)
	}

	info := do.infoHandle.Get()
	if info != nil && schemaMetaVersion > 0 && schemaMetaVersion == info.SchemaMetaVersion() {
		log.Debugf("schema version is still %d, no need reload", schemaMetaVersion)
		return nil
	}

	schemas, err := m.ListDatabases()
	if err != nil {
		return errors.Trace(err)
	}

	for _, di := range schemas {
		tables, err := m.ListTables(di.ID)
		if err != nil {
			return errors.Trace(err)
		}

		di.Tables = tables
	}

	log.Infof("loadInfoSchema %d", schemaMetaVersion)
	do.infoHandle.Set(schemas, schemaMetaVersion)
	return
}