RangeRequest

common_meta::rpc::store

Struct RangeRequest 

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pub struct RangeRequest {
    pub key: Vec<u8>,
    pub range_end: Vec<u8>,
    pub limit: i64,
    pub keys_only: bool,
}

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§key: Vec<u8>

key is the first key for the range, If range_end is not given, the request only looks up key.

§range_end: Vec<u8>

range_end is the upper bound on the requested range [key, range_end). If range_end is ‘\0’, the range is all keys >= key. If range_end is key plus one (e.g., “aa”+1 == “ab”, “a\xff”+1 == “b”), then the range request gets all keys prefixed with key. If both key and range_end are ‘\0’, then the range request returns all keys.

§limit: i64

limit is a limit on the number of keys returned for the request. When limit is set to 0, it is treated as no limit.

§keys_only: bool

keys_only when set returns only the keys and not the values.

Implementations§

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impl RangeRequest

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pub fn new() -> Self

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pub fn range(&self) -> (Bound<Vec<u8>>, Bound<Vec<u8>>)

Returns the RangeBounds.

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pub fn with_key(self, key: impl Into<Vec<u8>>) -> Self

key is the first key for the range, If range_end is not given, the request only looks up key.

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pub fn with_range( self, key: impl Into<Vec<u8>>, range_end: impl Into<Vec<u8>>, ) -> Self

key is the first key for the range, If range_end is not given, the request only looks up key.

range_end is the upper bound on the requested range [key, range_end). If range_end is ‘\0’, the range is all keys >= key. If range_end is key plus one (e.g., “aa”+1 == “ab”, “a\xff”+1 == “b”), then the range request gets all keys prefixed with key. If both key and range_end are ‘\0’, then the range request returns all keys.

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pub fn with_prefix(self, key: impl Into<Vec<u8>>) -> Self

Gets all keys prefixed with key. range_end is the key plus one (e.g., “aa”+1 == “ab”, “a\xff”+1 == “b”),

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pub fn with_limit(self, limit: i64) -> Self

limit is a limit on the number of keys returned for the request. When limit is set to 0, it is treated as no limit.

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pub fn with_keys_only(self) -> Self

keys_only when set returns only the keys and not the values.

Trait Implementations§

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impl Clone for RangeRequest

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fn clone(&self) -> RangeRequest

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RangeRequest

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

Formats the value using the given formatter. Read more
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impl Default for RangeRequest

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fn default() -> RangeRequest

Returns the “default value” for a type. Read more
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impl Display for RangeRequest

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

Formats the value using the given formatter. Read more
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impl From<RangeRequest> for RangeRequest

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fn from(req: RangeRequest) -> Self

Converts to this type from the input type.
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impl From<RangeRequest> for RangeRequest

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fn from(value: PbRangeRequest) -> Self

Converts to this type from the input type.
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impl TryFrom<RangeRequest> for Get

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(req: RangeRequest) -> Result<Self>

Performs the conversion.

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