Trait ckb_rocksdb::ops::GetPinnedCF[−][src]

pub trait GetPinnedCF<'a> {
    type ColumnFamily;
    type ReadOptions;
    fn get_pinned_cf_full<K: AsRef<[u8]>>(
        &'a self, 
        cf: Option<Self::ColumnFamily>, 
        key: K, 
        readopts: Option<Self::ReadOptions>
    ) -> Result<Option<DBPinnableSlice<'a>>, Error>;

    fn get_pinned_cf<K: AsRef<[u8]>>(
        &'a self, 
        cf: Self::ColumnFamily, 
        key: K
    ) -> Result<Option<DBPinnableSlice<'a>>, Error> { ... }

    fn get_pinned_cf_opt<K: AsRef<[u8]>>(
        &'a self, 
        cf: Self::ColumnFamily, 
        key: K, 
        readopts: Self::ReadOptions
    ) -> Result<Option<DBPinnableSlice<'a>>, Error> { ... }
}

Associated Types

type ColumnFamily[src]

type ReadOptions[src]

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Required methods

fn get_pinned_cf_full<K: AsRef<[u8]>>(
    &'a self,
    cf: Option<Self::ColumnFamily>,
    key: K,
    readopts: Option<Self::ReadOptions>
) -> Result<Option<DBPinnableSlice<'a>>, Error>[src]

Return the value associated with a key using RocksDB’s PinnableSlice so as to avoid unnecessary memory copy.

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Provided methods

fn get_pinned_cf<K: AsRef<[u8]>>(
    &'a self,
    cf: Self::ColumnFamily,
    key: K
) -> Result<Option<DBPinnableSlice<'a>>, Error>[src]

Return the value associated with a key using RocksDB’s PinnableSlice so as to avoid unnecessary memory copy.

fn get_pinned_cf_opt<K: AsRef<[u8]>>(
    &'a self,
    cf: Self::ColumnFamily,
    key: K,
    readopts: Self::ReadOptions
) -> Result<Option<DBPinnableSlice<'a>>, Error>[src]

Return the value associated with a key using RocksDB’s PinnableSlice so as to avoid unnecessary memory copy.

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Implementors

impl<'a, T> GetPinnedCF<'a> for T where
    T: Handle<rocksdb_t> + Read, [src]

type ColumnFamily = &'a ColumnFamily

type ReadOptions = &'a ReadOptions

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