Delete Operations

This topic describes how to delete an index, partition, collection, or entity.

The delete operations affect data already inserted into Milvus. Think twice before you delete.

Parameters marked with * are specific to Python SDK, and those marked with ** are specific to Node.js SDK.

Drop an index

Drop the index of a specified field in a specified collection:

Current release of Milvus only supports building and dropping index on vector field. Future version of Milvus will supports these operations on scalar field.
>>> collection.drop_index()
await milvusClient.indexManager.dropIndex({
  collection_name: COLLECTION_NAME,
});
Detailed Description
Parameter Description Note
collection_name** Name of the collection to drop index from Mandatory

Drop a partition

Remove a partition and all vectors under it:

>>> collection.drop_partition(partition_name=partition_name)
await milvusClient.partitionManager.dropPartition({
  collection_name: COLLECTION_NAME,
  partition_name: PARTITION_NAME,
});
Detailed Description
Parameter Description Note
partition_name Name of the partition to drop Mandatory
collection_name** Name of the collection to drop partition from Mandatory

Drop a collection

When you no longer need a collection, you can delete it.

>>> collection.drop()
await milvusClient.collectionManager.dropCollection({
  collection_name: COLLECTION_NAME,
});
Detailed Description
Parameter Description Note
collection_name** Name of the collection to drop Mandatory
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