#[repr(C)]
pub struct TupleTableSlotOps {
pub base_slot_size: usize,
pub init: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot)>,
pub release: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot)>,
pub clear: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot)>,
pub getsomeattrs: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot, natts: c_int)>,
pub getsysattr: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot, attnum: c_int, isnull: *mut bool) -> Datum>,
pub materialize: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot)>,
pub copyslot: Option<unsafe extern "C" fn(dstslot: *mut TupleTableSlot, srcslot: *mut TupleTableSlot)>,
pub get_heap_tuple: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot) -> HeapTuple>,
pub get_minimal_tuple: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot) -> MinimalTuple>,
pub copy_heap_tuple: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot) -> HeapTuple>,
pub copy_minimal_tuple: Option<unsafe extern "C" fn(slot: *mut TupleTableSlot) -> MinimalTuple>,
}
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.