#[repr(C)]
pub struct CustomExecMethods {Show 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)>,
}
Formats the value using the given formatter. Read more
Returns the “default value” for a type. Read more
impl<T> Any for T where
T: 'static + ?Sized, [src]
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
impl<T, U> Into<U> for T where
U: From<T>, [src]
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.