hasCollection()

This operation checks whether a specific collection exists.

public Boolean hasCollection(HasCollectionReq request)

Request Syntax

hasCollection(HasCollectionReq.builder()
    .collectionName(String collectionName)
    .build()
)

BUILDER METHODS:

• collectionName(String collectionName)

  The name of a collection.

RETURN TYPE:

bool

RETURNS:

A boolean value indicating whether the specified collection exists.

EXCEPTIONS:

• MilvusClientExceptions

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

Example

// check whether collection test exists
HasCollectionReq hasCollectionReq = HasCollectionReq.builder()
        .collectionName("test")
        .build();
Boolean resp = client.hasCollection(hasCollectionReq);