Struct AnnIndexDef 

pub struct AnnIndexDef {
    pub index_name: String,
    pub collection: String,
    pub index_type: AnnIndexType,
    pub metric: VectorMetric,
    pub ivfflat_params: Option<IvfflatParams>,
    pub hnsw_params: Option<HnswParams>,
    pub concurrently: bool,
}

ANN 索引定义

Fields

index_name: String

索引名称

collection: String

集合名称

index_type: AnnIndexType

索引类型

metric: VectorMetric

距离度量

ivfflat_params: Option<IvfflatParams>

IVFFlat 参数（仅当 index_type == Ivfflat 时有效）

hnsw_params: Option<HnswParams>

HNSW 参数（仅当 index_type == Hnsw 时有效）

concurrently: bool

是否并发创建（CONCURRENTLY，不锁表）

Implementations

impl AnnIndexDef

pub fn new_ivfflat( collection: &str, metric: VectorMetric, params: IvfflatParams, ) -> Self

创建 IVFFlat 索引定义

pub fn new_hnsw( collection: &str, metric: VectorMetric, params: HnswParams, ) -> Self

创建 HNSW 索引定义

pub fn with_concurrently(self) -> Self

设置并发创建（不锁表）

pub fn to_create_sql(&self) -> String

生成 CREATE INDEX SQL

pub fn to_drop_sql(&self) -> String

生成 DROP INDEX SQL

pub fn to_reindex_sql(&self) -> String

生成 REINDEX SQL

Trait Implementations

impl Clone for AnnIndexDef

fn clone(&self) -> AnnIndexDef

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AnnIndexDef

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.