dropCollection()

This operation drops a collection.

public void dropCollection(DropCollectionReq request)

Request Syntax

dropCollection(DropCollectionReq.builder()
    .collectionName(String collectionName)
    .async(Boolean async)
    .timeout(Long timeout)
    .build()
)

BUILDER METHODS:

• collectionName(String collectionName)

  The name of an existing collection.

• async(Boolean async)

  Whether this operation is asynchronous.

  The value defaults to Boolean.True, indicating immediate return while the process may still run in the background.

• timeout(Long timeout)

  The timeout duration of the process. The process terminates after the specified duration expires.

  The value defaults to 60000L, indicating the timeout duration is 1 minute.

RETURNS:

void

EXCEPTIONS:

• MilvusClientExceptions

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

Example

// drop a collection: test
DropCollectionReq dropCollectionReq = DropCollectionReq.builder()
        .collectionName("test")
        .build();
client.dropCollection(dropCollectionReq);
// check if dropped
client.hasCollection(HasCollectionReq.builder()
        .collectionName("test")
        .build());
// false