pgrx::pg_sys

Type Alias AcquireSampleRowsFunc

Source 
pub type AcquireSampleRowsFunc = Option<unsafe extern "C-unwind" fn(_: *mut RelationData, _: i32, _: *mut *mut HeapTupleData, _: i32, _: *mut f64, _: *mut f64) -> i32>;

Aliased Type§

enum AcquireSampleRowsFunc {
    None,
    Some(unsafe extern "C-unwind" fn(_: *mut RelationData, _: i32, _: *mut *mut HeapTupleData, _: i32, _: *mut f64, _: *mut f64) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C-unwind" fn(_: *mut RelationData, _: i32, _: *mut *mut HeapTupleData, _: i32, _: *mut f64, _: *mut f64) -> i32)

Some value of type T.