! Index Query Meta */

! Index Params */

Column index params. Attributes: name (str): Column name. dimension (int): Vector dimension. index_type (IndexType):

! JSON Value */

! Cube class */

Collection configuration. Attributes: collection_name (str): collection name. index_column_params (List[IndexColumnParam]):

Document Attributes: primary_key (long): primary key score (float): score, i.e. distance from query vector forward_c

! Lsn Context Format */

GTRecord: gt_count, [Proxima2GTRecall, ...]

ProximaBe Status Attributes: code (int): Status code, 0 for success, otherwise for failure. reason (str): Error details.

CollectionConfig configuration of collection

Database Repository. Attributes: repository_name (str): repository name connection_uri (str): database connection uri

DatabaseRepository database repository Indicate where the data of collection coming from, Proxima BE synchronize Collection with Database automaticall

! JSON String */

Attributes: results (List[List[Document]]): query results. debug_info (str): debug information. latency_us (long): query

SegmentStats looks like SegmentMeta, but it will expand * many fields for statistics, so we just split it out. * And SegmentStats is allowed to stor

Collection information. Attributes: collection_config (CollectionConfig): collection config. status (CollectionInfo.Status):

Collection statistics. Attributes: collection_name(str) : collection name collection_path(str) : collection path tot

CollectionStatus collection Status type

DataType is types of data

ErrorCode type of Code

* IndexColumnParam represents the index config of index column. */

! Index Plugin */

IndexType is types of index

Log sequence number context. Usually optional. Currently used by database repository. Attributes: lsn (long): log sequence

LsnContext Log Sequence Number Context indicate specific point of collection

Ground Truth file reader Format: [Proxima2GTRecord, ....]

Format: pk, score

RepositoryType type of repository

! * SQLiteMateStore */

SegmentState state of segment

Predefine class

Contains the write rows information

WriteRequest object, the parameter of ProximaSEClient.Write method

Address reference to entrypoint of ProximaSE

* Proxima BE Admin module */

Helper class to convert integer and float types to string, facilitating string concatenation memory allocation.

* AutoCounter is a simple RAII type atomic counter */

! * Implementation of TaskQueue interface, which based on Execution * Queue in brpc */

! Base64 encode & decode */

BaseClient.