func GetSchemaVersion(ctx context.Context) int64 {
	v, ok := ctx.Value(schemaVersionKey).(int64)
	if !ok {
		log.Error("get schema version failed")
	}
	return v
}
// GetSchemaVersion gets schema version in the context.
GetSchemaVersion gets schema version in the context.
// GetSchemaVersion gets schema version in the context .
func GetSchemaVersion(ctx context.Context) int64 {
	v, ok := ctx.Value(schemaVersionKey).(int64)
	if !ok {
		log.Error("get schema version failed")
	}
	return v
}
func GetSchemaVersion ( ctx context . Context ) int64 { v , ok := ctx . Value ( schemaVersionKey ) . ( int64 ) if ! ok { log . Error ( " " ) } return v }
GetSchemaVersion gets schema version in the context.
GetSchemaVersion gets schema version in the context .