// ImportRoaring is a low level interface for importing data to Pilosa when
// extremely high throughput is desired. The data must be encoded in a
// particular way which may be unintuitive (discussed below). The data is merged
// with existing data.
//
// It takes as input a roaring bitmap which it uses as the data for the
// indicated index, field, and shard. The bitmap may be encoded according to the
// official roaring spec (https://github.com/RoaringBitmap/RoaringFormatSpec),
// or to the pilosa roaring spec which supports 64 bit integers
// (https://www.pilosa.com/docs/latest/architecture/#roaring-bitmap-storage-format).
//
// The data should be encoded the same way that Pilosa stores fragments
// internally. A bit "i" being set in the input bitmap indicates that the bit is
// set in Pilosa row "i/ShardWidth", and in column
// (shard*ShardWidth)+(i%ShardWidth). That is to say that "data" represents all
// of the rows in this shard of this field concatenated together in one long
// bitmap.
ImportRoaring is a low level interface for importing data to Pilosa when
extremely high throughput is desired. The data must be encoded in a
particular way which may be unintuitive (discussed below). The data is merged
with existing data.

It takes as input a roaring bitmap which it uses as the data for the
indicated index, field, and shard. The bitmap may be encoded according to the
official roaring spec ,
or to the pilosa roaring spec which supports 64 bit integers
.

The data should be encoded the same way that Pilosa stores fragments
internally. A bit "i" being set in the input bitmap indicates that the bit is
set in Pilosa row "i/ShardWidth", and in column
(shard*ShardWidth)+(i%ShardWidth). That is to say that "data" represents all
of the rows in this shard of this field concatenated together in one long
bitmap.
// ImportRoaring is a low level interface for importing data to Pilosa when // extremely high throughput is desired . The data must be encoded in a // particular way which may be unintuitive ( discussed below ) . The data is merged // with existing data . // // It takes as input a roaring bitmap which it uses as the data for the // indicated index field and shard . The bitmap may be encoded according to the // official roaring spec ( https : // github . com / RoaringBitmap / RoaringFormatSpec ) // or to the pilosa roaring spec which supports 64 bit integers // ( https : // www . pilosa . com / docs / latest / architecture / #roaring - bitmap - storage - format ) . // // The data should be encoded the same way that Pilosa stores fragments // internally . A bit " i " being set in the input bitmap indicates that the bit is // set in Pilosa row " i / ShardWidth " and in column // ( shard * ShardWidth ) + ( i%ShardWidth ) . That is to say that " data " represents all // of the rows in this shard of this field concatenated together in one long // bitmap .
func (api *API) ImportRoaring(ctx context.Context, indexName, fieldName string, shard uint64, remote bool, req *ImportRoaringRequest) (err error) {
	span, ctx := tracing.StartSpanFromContext(ctx, "API.ImportRoaring")
	defer span.Finish()
	if err = api.validate(apiField); err != nil {
		return errors.Wrap(err, "validating api method")
	}
	nodes := api.cluster.shardNodes(indexName, shard)
	var eg errgroup.Group
	field := api.holder.Field(indexName, fieldName)
	if field == nil {
		return newNotFoundError(ErrFieldNotFound)
	}
	if field.Type() != FieldTypeSet && field.Type() != FieldTypeTime {
		return NewBadRequestError(errors.New("roaring import is only supported for set and time fields"))
	}
	for _, node := range nodes {
		node := node
		if node.ID == api.server.nodeID {
			eg.Go(func() error {
				var err error
				for viewName, viewData := range req.Views {
					if viewName == "" {
						viewName = viewStandard
					} else {
						viewName = fmt.Sprintf("%s_%s", viewStandard, viewName)
					}
					if len(viewData) == 0 {
						return fmt.Errorf("no data to import for view: %s", viewName)
					}
					data := make([]byte, len(viewData))
					copy(data, viewData)
					err = field.importRoaring(data, shard, viewName, req.Clear)
					if err != nil {
						return err
					}
				}
				return err
			})
		} else if !remote { 
			eg.Go(func() error {
				return api.server.defaultClient.ImportRoaring(ctx, &node.URI, indexName, fieldName, shard, true, req)
			})
		}
	}
	return eg.Wait()
}
func ( api * API ) ImportRoaring ( ctx context . Context , indexName , fieldName string , shard uint64 , remote bool , req * ImportRoaringRequest ) ( err error ) { span , ctx := tracing . StartSpanFromContext ( ctx , " " ) defer span . Finish ( ) if err = api . validate ( apiField ) ; err != nil { return errors . Wrap ( err , " " ) } nodes := api . cluster . shardNodes ( indexName , shard ) var eg errgroup . Group field := api . holder . Field ( indexName , fieldName ) if field == nil { return newNotFoundError ( ErrFieldNotFound ) } if field . Type ( ) != FieldTypeSet && field . Type ( ) != FieldTypeTime { return NewBadRequestError ( errors . New ( " " ) ) } for _ , node := range nodes { node := node if node . ID == api . server . nodeID { eg . Go ( func ( ) error { var err error for viewName , viewData := range req . Views { if viewName == " " { viewName = viewStandard } else { viewName = fmt . Sprintf ( " " , viewStandard , viewName ) } if len ( viewData ) == 0 { return fmt . Errorf ( " " , viewName ) } data := make ( [ ] byte , len ( viewData ) ) copy ( data , viewData ) err = field . importRoaring ( data , shard , viewName , req . Clear ) if err != nil { return err } } return err } ) } else if ! remote { eg . Go ( func ( ) error { return api . server . defaultClient . ImportRoaring ( ctx , & node . URI , indexName , fieldName , shard , true , req ) } ) } } return eg . Wait ( ) }
ImportRoaring is a low level interface for importing data to Pilosa when
extremely high throughput is desired.
ImportRoaring is a low level interface for importing data to Pilosa when extremely high throughput is desired .
// only set and time fields are supported // must make a copy of data to operate on locally. // field.importRoaring changes data // if remote == true we don't forward to other nodes // forward it on