Struct pgrx_pg_sys::CustomExecMethods

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#[repr(C)]
pub struct CustomExecMethods {
Show 13 fields
    pub CustomName: *const c_char,
    pub BeginCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, estate: *mut EState, eflags: c_int)>,
    pub ExecCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState) -> *mut TupleTableSlot>,
    pub EndCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>,
    pub ReScanCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>,
    pub MarkPosCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>,
    pub RestrPosCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>,
    pub EstimateDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext) -> Size>,
    pub InitializeDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext, coordinate: *mut c_void)>,
    pub ReInitializeDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext, coordinate: *mut c_void)>,
    pub InitializeWorkerCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, toc: *mut shm_toc, coordinate: *mut c_void)>,
    pub ShutdownCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>,
    pub ExplainCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, ancestors: *mut List, es: *mut ExplainState)>,

}

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§CustomName: *const c_char§BeginCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, estate: *mut EState, eflags: c_int)>§ExecCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState) -> *mut TupleTableSlot>§EndCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>§ReScanCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>§MarkPosCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>§RestrPosCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>§EstimateDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext) -> Size>§InitializeDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext, coordinate: *mut c_void)>§ReInitializeDSMCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, pcxt: *mut ParallelContext, coordinate: *mut c_void)>§InitializeWorkerCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, toc: *mut shm_toc, coordinate: *mut c_void)>§ShutdownCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState)>§ExplainCustomScan: Option<unsafe extern "C" fn(node: *mut CustomScanState, ancestors: *mut List, es: *mut ExplainState)>

Trait Implementations§

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impl Clone for CustomExecMethods

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fn clone(&self) -> CustomExecMethods

Returns a copy 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 CustomExecMethods

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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 CustomExecMethods

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Copy for CustomExecMethods

Auto Trait Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.