Struct engine_traits::IterOptions

[+] Show declaration

pub struct IterOptions {
    lower_bound: Option<KeyBuilder>,
    upper_bound: Option<KeyBuilder>,
    prefix_same_as_start: bool,
    fill_cache: bool,
    hint_min_ts: Option<u64>,
    hint_max_ts: Option<u64>,
    key_only: bool,
    seek_mode: SeekMode,
    max_skippable_internal_keys: u64,
}

Fields

lower_bound: Option<KeyBuilder>

upper_bound: Option<KeyBuilder>

prefix_same_as_start: bool

fill_cache: bool

hint_min_ts: Option<u64>

hint_max_ts: Option<u64>

key_only: bool

seek_mode: SeekMode

max_skippable_internal_keys: u64

Implementations

impl IterOptions[−]

pub fn new(
    lower_bound: Option<KeyBuilder>,
    upper_bound: Option<KeyBuilder>,
    fill_cache: bool
) -> IterOptions

pub fn prefix_seek_used(&self) -> bool

pub fn use_prefix_seek(&mut self)

pub fn total_order_seek_used(&self) -> bool

pub fn fill_cache(&self) -> bool

pub fn set_fill_cache(&mut self, v: bool)

pub fn set_hint_min_ts(&mut self, bound_ts: Bound<u64>)

pub fn hint_min_ts(&self) -> Option<u64>

pub fn hint_max_ts(&self) -> Option<u64>

pub fn set_hint_max_ts(&mut self, bound_ts: Bound<u64>)

pub fn key_only(&self) -> bool

pub fn set_key_only(&mut self, v: bool)

pub fn lower_bound(&self) -> Option<&[u8]>

pub fn set_lower_bound(&mut self, bound: &[u8], reserved_prefix_len: usize)

pub fn set_vec_lower_bound(&mut self, bound: Vec<u8>)

pub fn set_lower_bound_prefix(&mut self, prefix: &[u8])

pub fn upper_bound(&self) -> Option<&[u8]>

pub fn set_upper_bound(&mut self, bound: &[u8], reserved_prefix_len: usize)

pub fn set_vec_upper_bound(&mut self, bound: Vec<u8>)

pub fn set_upper_bound_prefix(&mut self, prefix: &[u8])

pub fn build_bounds(self) -> (Option<Vec<u8>>, Option<Vec<u8>>)

pub fn prefix_same_as_start(&self) -> bool

pub fn set_prefix_same_as_start(&mut self, enable: bool)

pub fn max_skippable_internal_keys(&self) -> u64

pub fn set_max_skippable_internal_keys(&mut self, threshold: u64)

Trait Implementations

impl Clone for IterOptions[+]

[+] Show hidden undocumented items

fn clone(&self) -> IterOptions[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Default for IterOptions[+]

[+] Show hidden undocumented items

fn default() -> IterOptions[−]

Returns the “default value” for a type.