[−][src]Struct hdbconnect::types::CLob
CLob implementation that is used with HdbValue::CLOB.
CLOB fields are supposed to only store ASCII7, but HANA doesn't check this. So the implementation is a mixture of BLOB implementation (the protocol counts bytes, not chars) and NCLOB implementation (the exposed data are chars, not bytes).
Methods
impl CLob[src]
impl CLobpub fn len(&self) -> HdbResult<usize>[src]
pub fn len(&self) -> HdbResult<usize>Length of contained String
pub fn is_empty(&self) -> HdbResult<bool>[src]
pub fn is_empty(&self) -> HdbResult<bool>Is container empty
pub fn max_size(&self) -> usize[src]
pub fn max_size(&self) -> usizeReturns the maximum size of the internal buffers.
Tests can verify that this value does not exceed lob_read_size +
buf.len().
pub fn into_string(self) -> HdbResult<String>[src]
pub fn into_string(self) -> HdbResult<String>Returns the contained String.
Trait Implementations
impl Clone for CLob[src]
impl Clone for CLobⓘImportant traits for CLobfn clone(&self) -> CLob[src]
fn clone(&self) -> CLobfn clone_from(&mut self, source: &Self)1.0.0[src]
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl Debug for CLob[src]
impl Debug for CLobimpl Read for CLob[src]
impl Read for CLobfn read(&mut self, buf: &mut [u8]) -> Result<usize>[src]
fn read(&mut self, buf: &mut [u8]) -> Result<usize>unsafe fn initializer(&self) -> Initializer[src]
unsafe fn initializer(&self) -> Initializerread_initializer)Determines if this Reader can work with buffers of uninitialized memory. Read more
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>1.0.0[src]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>Read all bytes until EOF in this source, placing them into buf. Read more
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>1.0.0[src]
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>Read all bytes until EOF in this source, appending them to buf. Read more
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>1.6.0[src]
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>Read the exact number of bytes required to fill buf. Read more
fn by_ref(&mut self) -> &mut Self1.0.0[src]
fn by_ref(&mut self) -> &mut SelfCreates a "by reference" adaptor for this instance of Read. Read more
fn bytes(self) -> Bytes<Self>1.0.0[src]
fn bytes(self) -> Bytes<Self>Transforms this Read instance to an [Iterator] over its bytes. Read more
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read, 1.0.0[src]
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read, Creates an adaptor which will chain this stream with another. Read more
fn take(self, limit: u64) -> Take<Self>1.0.0[src]
fn take(self, limit: u64) -> Take<Self>Creates an adaptor which will read at most limit bytes from it. Read more
impl Serialize for CLob[src]
impl Serialize for CLobAuto Trait Implementations
Blanket Implementations
impl<T> From for T[src]
impl<T> From for Timpl<T, U> Into for T where
U: From<T>, [src]
impl<T, U> Into for T where
U: From<T>, impl<T> ToOwned for T where
T: Clone, [src]
impl<T> ToOwned for T where
T: Clone, impl<T, U> TryFrom for T where
T: From<U>, [src]
impl<T, U> TryFrom for T where
T: From<U>, type Error = !
try_from)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>impl<T> Borrow for T where
T: ?Sized, [src]
impl<T> Borrow for T where
T: ?Sized, impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
impl<T, U> TryInto for T where
U: TryFrom<T>, type Error = <U as TryFrom<T>>::Error
try_from)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>impl<T> BorrowMut for T where
T: ?Sized, [src]
impl<T> BorrowMut for T where
T: ?Sized, fn borrow_mut(&mut self) -> &mut T[src]
fn borrow_mut(&mut self) -> &mut Timpl<T> Any for T where
T: 'static + ?Sized, [src]
impl<T> Any for T where
T: 'static + ?Sized, fn get_type_id(&self) -> TypeId[src]
fn get_type_id(&self) -> TypeIdimpl<R> ReadBytesExt for R where
R: Read + ?Sized, [src]
impl<R> ReadBytesExt for R where
R: Read + ?Sized, fn read_u8(&mut self) -> Result<u8, Error>[src]
fn read_u8(&mut self) -> Result<u8, Error>Reads an unsigned 8 bit integer from the underlying reader. Read more
fn read_i8(&mut self) -> Result<i8, Error>[src]
fn read_i8(&mut self) -> Result<i8, Error>Reads a signed 8 bit integer from the underlying reader. Read more
fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder, [src]
fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder, Reads an unsigned 16 bit integer from the underlying reader. Read more
fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder, [src]
fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder, Reads a signed 16 bit integer from the underlying reader. Read more
fn read_u24<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder, [src]
fn read_u24<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder, Reads an unsigned 24 bit integer from the underlying reader. Read more
fn read_i24<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder, [src]
fn read_i24<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder, Reads a signed 24 bit integer from the underlying reader. Read more
fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder, [src]
fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder, Reads an unsigned 32 bit integer from the underlying reader. Read more
fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder, [src]
fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder, Reads a signed 32 bit integer from the underlying reader. Read more
fn read_u48<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder, [src]
fn read_u48<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder, Reads an unsigned 48 bit integer from the underlying reader. Read more
fn read_i48<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder, [src]
fn read_i48<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder, Reads a signed 48 bit integer from the underlying reader. Read more
fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder, [src]
fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder, Reads an unsigned 64 bit integer from the underlying reader. Read more
fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder, [src]
fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder, Reads a signed 64 bit integer from the underlying reader. Read more
fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder, [src]
fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder, Reads an unsigned n-bytes integer from the underlying reader. Read more
fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder, [src]
fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder, Reads a signed n-bytes integer from the underlying reader. Read more
fn read_f32<T>(&mut self) -> Result<f32, Error> where
T: ByteOrder, [src]
fn read_f32<T>(&mut self) -> Result<f32, Error> where
T: ByteOrder, Reads a IEEE754 single-precision (4 bytes) floating point number from the underlying reader. Read more
fn read_f64<T>(&mut self) -> Result<f64, Error> where
T: ByteOrder, [src]
fn read_f64<T>(&mut self) -> Result<f64, Error> where
T: ByteOrder, Reads a IEEE754 double-precision (8 bytes) floating point number from the underlying reader. Read more
fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of unsigned 16 bit integers from the underlying reader. Read more
fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of unsigned 32 bit integers from the underlying reader. Read more
fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of unsigned 64 bit integers from the underlying reader. Read more
fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of signed 16 bit integers from the underlying reader. Read more
fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of signed 32 bit integers from the underlying reader. Read more
fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of signed 64 bit integers from the underlying reader. Read more
fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of IEEE754 single-precision (4 bytes) floating point numbers from the underlying reader. Read more
fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder, : please use read_f32_into instead
DEPRECATED. Read more
fn read_f64_into<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_f64_into<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder, Reads a sequence of IEEE754 double-precision (8 bytes) floating point numbers from the underlying reader. Read more
fn read_f64_into_unchecked<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder, [src]
fn read_f64_into_unchecked<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder, : please use read_f64_into instead
DEPRECATED. Read more
impl<T> Same for T
impl<T> Same for Ttype Output = T
Should always be Self