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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