deleteEntities()
This method deletes entities from a specified collection.
Invocation
new milvusClient(MILUVS_ADDRESS).dataManager.deleteEntities(DeleteEntitiesReq);
Parameters
DeleteEntitiesReq
| Parameter | Description | Type | Required |
|---|---|---|---|
| collection_name | Name of the collection to delete entities from | String | True |
| expr | Boolean expression used for attibute filtering | String | True |
| partition_name(optional) | Name of the partition to deleted entities from | String | False |
| timeout | An optional duration of time in millisecond to allow for the RPC. Default is undefined | Number | False |
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' }
}