duckdb_aggregate_destroy_t

Type Alias duckdb_aggregate_destroy_t 

Source
pub type duckdb_aggregate_destroy_t = Option<unsafe extern "C" fn(states: *mut duckdb_aggregate_state, count: idx_t)>;
Expand description

! An optional function to destroy an aggregate state.

Aliased Type§

pub enum duckdb_aggregate_destroy_t {
    None,
    Some(unsafe extern "C" fn(*mut *mut _duckdb_aggregate_state, u64)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(*mut *mut _duckdb_aggregate_state, u64))

Some value of type T.