Package com.dtsx.astra.sdk.cassio

Class MetadataVectorCassandraTable

java.lang.Object

com.dtsx.astra.sdk.cassio.AbstractCassandraTable<MetadataVectorCassandraTable.Record>

com.dtsx.astra.sdk.cassio.MetadataVectorCassandraTable

public class MetadataVectorCassandraTable
extends AbstractCassandraTable<MetadataVectorCassandraTable.Record>

Table representing persistence for Vector Stores support.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MetadataVectorCassandraTable.Record	Record for the Metadata Vector Table in Cassandra.

Field Summary

Fields inherited from class com.dtsx.astra.sdk.cassio.AbstractCassandraTable

ATTRIBUTES_BLOB, BODY_BLOB, COLUMN_SIMILARITY, cqlSession, DEFAULT_RECORD_COUNT, keyspaceName, METADATA_S, PARTITION_ID, ROW_ID, SAI_INDEX_CLASSNAME, tableName, VECTOR

Constructor Summary

Constructors

Constructor	Description
MetadataVectorCassandraTable(com.datastax.oss.driver.api.core.CqlSession session, String keyspaceName, String tableName, int vectorDimension)	Constructor with mandatory parameters.
MetadataVectorCassandraTable(com.datastax.oss.driver.api.core.CqlSession session, String keyspaceName, String tableName, int vectorDimension, SimilarityMetric metric)	Constructor with mandatory parameters.

Method Summary

Modifier and Type	Method	Description
void	createSchema()	Create table and indexes if not exist.
MetadataVectorCassandraTable.Record	mapRow(com.datastax.oss.driver.api.core.cql.Row cqlRow)	Should be table to map from a Cassandra row to a record.
void	put(MetadataVectorCassandraTable.Record row)	Upsert a row of the table.
List<SimilaritySearchResult<MetadataVectorCassandraTable.Record>>	similaritySearch(SimilaritySearchQuery query)	Compute Similarity Search.

Methods inherited from class com.dtsx.astra.sdk.cassio.AbstractCassandraTable

clear, delete, putAsync

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MetadataVectorCassandraTable

public MetadataVectorCassandraTable(com.datastax.oss.driver.api.core.CqlSession session,
 String keyspaceName,
 String tableName,
 int vectorDimension)

Constructor with mandatory parameters.

Parameters:

session - cassandra session

keyspaceName - keyspace name

tableName - table name

vectorDimension - vector dimension

MetadataVectorCassandraTable

public MetadataVectorCassandraTable(com.datastax.oss.driver.api.core.CqlSession session,
 String keyspaceName,
 String tableName,
 int vectorDimension,
 SimilarityMetric metric)

Constructor with mandatory parameters.

Parameters:

session - cassandra session

keyspaceName - keyspace name

tableName - table name

vectorDimension - vector dimension

metric - similarity metric

Method Details

createSchema

public void createSchema()

Create table and indexes if not exist.

Specified by:

createSchema in class AbstractCassandraTable<MetadataVectorCassandraTable.Record>

put

public void put(MetadataVectorCassandraTable.Record row)

Upsert a row of the table.

Specified by:

put in class AbstractCassandraTable<MetadataVectorCassandraTable.Record>

Parameters:

row - current row

mapRow

public MetadataVectorCassandraTable.Record mapRow(com.datastax.oss.driver.api.core.cql.Row cqlRow)

Description copied from class: AbstractCassandraTable

Should be table to map from a Cassandra row to a record.

Specified by:

mapRow in class AbstractCassandraTable<MetadataVectorCassandraTable.Record>

Parameters:

cqlRow - current cassandra row

Returns:

current record

similaritySearch

public List<SimilaritySearchResult<MetadataVectorCassandraTable.Record>> similaritySearch(SimilaritySearchQuery query)

Compute Similarity Search.

Parameters:

query - current query

Returns:

results