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addCollectionFunction()

Addedv2.6.xModifiedv2.6.x

This operation adds a function to a collection. Functions allow you to define custom processing logic, such as BM25 scoring or embedding generation.

public void addCollectionFunction(AddCollectionFunctionReq request)

Request Syntax

addCollectionFunction(AddCollectionFunctionReq.builder()
    .collectionName(String collectionName)
    .databaseName(String databaseName)
    .function(CreateCollectionReq.Function function)
    .build()
);

BUILDER METHODS:

• collectionName(String collectionName) -

  [REQUIRED]

  The name of the collection.

• databaseName(String databaseName) -

  The name of the database. Defaults to the current database if not specified.

• function(CreateCollectionReq.Function function) -

  [REQUIRED]

  The function to add. Use CreateCollectionReq.Function.builder() to construct it with name, description, functionType, inputFieldNames, outputFieldNames, and params.

RETURNS:

void

EXCEPTIONS:

• MilvusClientException

  This exception will be raised when any error occurs during this operation.

Example

import io.milvus.v2.service.collection.request.AddCollectionFunctionReq;
import io.milvus.v2.service.collection.request.CreateCollectionReq;
import io.milvus.common.clientenum.FunctionType;

CreateCollectionReq.Function bm25Func = CreateCollectionReq.Function.builder()
    .name("bm25")
    .functionType(FunctionType.BM25)
    .inputFieldNames(Arrays.asList("text"))
    .outputFieldNames(Arrays.asList("sparse_vector"))
    .build();

client.addCollectionFunction(AddCollectionFunctionReq.builder()
    .collectionName("my_collection")
    .function(bm25Func)
    .build());