pub struct SelectionVector { /* private fields */ }Expand description
Logical selection over a ValueVector / DataChunk.
None indices = identity selection [0, 1, 2, …, N-1].
Implementations§
Source§impl SelectionVector
impl SelectionVector
Sourcepub fn from_indices(indices: Vec<u32>) -> Self
pub fn from_indices(indices: Vec<u32>) -> Self
Explicit subset of physical row indices.
pub fn len(&self) -> usize
pub fn is_empty(&self) -> bool
Sourcepub fn is_identity(&self) -> bool
pub fn is_identity(&self) -> bool
Returns true when this is an identity selection (no indirection).
Sourcepub fn indices_ptr(&self) -> *const u32
pub fn indices_ptr(&self) -> *const u32
Raw pointer to the indices array, or null for identity selection (for JIT).
Trait Implementations§
Source§impl Clone for SelectionVector
impl Clone for SelectionVector
Source§fn clone(&self) -> SelectionVector
fn clone(&self) -> SelectionVector
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreAuto Trait Implementations§
impl Freeze for SelectionVector
impl RefUnwindSafe for SelectionVector
impl Send for SelectionVector
impl Sync for SelectionVector
impl Unpin for SelectionVector
impl UnsafeUnpin for SelectionVector
impl UnwindSafe for SelectionVector
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