Struct rocksdb::SliceTransform

pub struct SliceTransform {
    pub inner: *mut rocksdb_slicetransform_t,
}

A SliceTransform is a generic pluggable way of transforming one string to another. Its primary use-case is in configuring rocksdb to store prefix blooms by setting prefix_extractor in ColumnFamilyOptions.

Fields

inner: *mut rocksdb_slicetransform_t

Implementations

impl SliceTransform

pub fn create(
    name: &str,
    transform_fn: fn(_: &'_ [u8]) -> &'_ [u8],
    in_domain_fn: Option<fn(_: &[u8]) -> bool>
) -> SliceTransform

pub fn create_fixed_prefix(len: size_t) -> SliceTransform

pub fn create_noop() -> SliceTransform