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deleteEntities()

This method deletes entities from a specified collection.

Invocation

new milvusClient(MILUVS_ADDRESS).dataManager.deleteEntities(DeleteEntitiesReq);

Parameters

DeleteEntitiesReq

ParameterDescriptionTypeRequired
collection_nameName of the collection to delete entities fromStringTrue
exprBoolean expression used for attibute filteringStringTrue
partition_name(optional)Name of the partition to deleted entities fromStringFalse

Example

new milvusClient(MILUVS_ADDRESS).dataManager.deleteEntities({
   collection_name: "my_collection",
   expr: 'age in [434848878802251176,444848878802251176]',
 });

Return

// DeleteEntitiesReq return
{
  status: { error_code: 'Success', reason: '' },
  succ_index: [],
  err_index: [],
  acknowledged: false,
  insert_cnt: '0',
  delete_cnt: '2',
  upsert_cnt: '0',
  timestamp: '434852827294334977',
  IDs: { int_id: { data: [ '434848878802251176', '444848878802251176' ] }, id_field: 'int_id' }
}