Struct sql_ops::join::no_partitioning_join::HashTable

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pub struct HashTable<T: DeviceCopy + KeyAttribute> { /* private fields */ }

Expand description

Hash table for CpuHashJoin and CudaHashJoin.

Implementations

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impl<T: AsPrimitive<c_uint> + DeviceCopy + KeyAttribute> HashTable<T>

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pub fn new_on_cpu(mem: DerefMem<HtEntry<T, T>>, size: usize) -> Result<Self>

Create a new CPU hash table.

The hash table can be used on CPUs. In the case of NVLink 2.0 on POWER9, it can also be used on GPUs.

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pub fn new_on_gpu(mem: Mem<HtEntry<T, T>>, size: usize) -> Result<Self>

Create a new GPU hash table.

The hash table can be used on GPUs. It cannot always be used on CPUs, due to the possibility of using GPU device memory. This also holds true for NVLink 2.0 on POWER9.

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pub fn new_from_hash_table(mem: Mem<HtEntry<T, T>>, src: &Self) -> Result<Self>

Create a new hash table from another hash table.

Copies the contents of the source hash table into the new hash table.

Trait Implementations

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impl<T: Debug + DeviceCopy + KeyAttribute> Debug for HashTable<T>

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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<T> Display for HashTable<T> where
T: DeviceCopy + Display + KeyAttribute,

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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<T: DeviceCopy + KeyAttribute> MemLock for HashTable<T>

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fn mlock(&mut self) -> NumaGpuResult<()>

Lock memory

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fn munlock(&mut self) -> NumaGpuResult<()>

Unlock memory

Auto Trait Implementations

impl<T> RefUnwindSafe for HashTable<T> where
T: RefUnwindSafe,

impl<T> Send for HashTable<T> where
T: Send,

impl<T> Sync for HashTable<T> where
T: Sync,

impl<T> Unpin for HashTable<T> where
T: Unpin,

impl<T> UnwindSafe for HashTable<T> where
T: UnwindSafe + RefUnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct sql_ops::join::no_partitioning_join::HashTable

Implementations

impl<T: AsPrimitive<c_uint> + DeviceCopy + KeyAttribute> HashTable<T>

pub fn new_on_cpu(mem: DerefMem<HtEntry<T, T>>, size: usize) -> Result<Self>

pub fn new_on_gpu(mem: Mem<HtEntry<T, T>>, size: usize) -> Result<Self>

pub fn new_from_hash_table(mem: Mem<HtEntry<T, T>>, src: &Self) -> Result<Self>

Trait Implementations

impl<T: Debug + DeviceCopy + KeyAttribute> Debug for HashTable<T>

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

impl<T> Display for HashTable<T> where T: DeviceCopy + Display + KeyAttribute,

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

impl<T: DeviceCopy + KeyAttribute> MemLock for HashTable<T>

fn mlock(&mut self) -> NumaGpuResult<()>

fn munlock(&mut self) -> NumaGpuResult<()>

Auto Trait Implementations

impl<T> RefUnwindSafe for HashTable<T> where T: RefUnwindSafe,

impl<T> Send for HashTable<T> where T: Send,

impl<T> Sync for HashTable<T> where T: Sync,

impl<T> Unpin for HashTable<T> where T: Unpin,

impl<T> UnwindSafe for HashTable<T> where T: UnwindSafe + RefUnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> ToString for T where T: Display + ?Sized,

pub default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> Display for HashTable<T> where
T: DeviceCopy + Display + KeyAttribute,

impl<T> RefUnwindSafe for HashTable<T> where
T: RefUnwindSafe,

impl<T> Send for HashTable<T> where
T: Send,

impl<T> Sync for HashTable<T> where
T: Sync,

impl<T> Unpin for HashTable<T> where
T: Unpin,

impl<T> UnwindSafe for HashTable<T> where
T: UnwindSafe + RefUnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,