AddCollectionField()

Adds a field to an existing collection.

pub async fn add_collection_field(&self, request: AddCollectionFieldRequest) -> Result<()>

Request Syntax

let request = AddCollectionFieldRequest::builder()
    .collection_name("books")
    .field(
        FieldSchema::new()
            .name("vector")
            .data_type(DataType::FloatVector)
            .dimension(128)
            .nullable(true),
    )
    .build()?;

REQUEST FIELDS:

• database_name: Option<String>

  Name of the target database; uses the default database when empty.

• collection_name: String

  Name of the collection to alter. Required.

• field: Option<FieldSchema>

  The FieldSchema describing the new field. Vector fields added to an existing collection require nullable(true). Required.

RETURN TYPE:

Result<()>

RETURNS:

Returns an empty result indicating success. Returns Error on failure.

Example

let request = AddCollectionFieldRequest::builder()
    .collection_name("books")
    .field(
        FieldSchema::new()
            .name("vector")
            .data_type(DataType::FloatVector)
            .dimension(128)
            .nullable(true),
    )
    .build()?;
client.add_collection_field(request).await?;