pub enum DataRequest {
Table(TableId),
Columns(TableId, Vec<ColumnId>),
Tuple(Vec<RecordId>),
}Expand description
DataRequest specifies the requests that the execution engine might issue to
the storage node.
Currently we assume the execution engine only requests the whole table/column. We may
add std::ops::RangeBounds later to support range query from the execution engine.
Variants§
Table(TableId)
Requests a whole table from the underlying storage.
Columns(TableId, Vec<ColumnId>)
Requests one or more columns from the underlying storage.
Tuple(Vec<RecordId>)
Requests one or more tuples from the underlying storage. FIXME: Do we really need this?
Trait Implementations§
Source§impl Clone for DataRequest
impl Clone for DataRequest
Source§fn clone(&self) -> DataRequest
fn clone(&self) -> DataRequest
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 DataRequest
impl RefUnwindSafe for DataRequest
impl Send for DataRequest
impl Sync for DataRequest
impl Unpin for DataRequest
impl UnwindSafe for DataRequest
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