Struct mz_compute_types::plan::reduce::AccumulablePlan
source · pub struct AccumulablePlan {
pub full_aggrs: Vec<AggregateExpr>,
pub simple_aggrs: Vec<(usize, usize, AggregateExpr)>,
pub distinct_aggrs: Vec<(usize, usize, AggregateExpr)>,
}
Expand description
Plan for computing a set of accumulable aggregations.
We fuse all of the accumulable aggregations together and compute them with one dataflow fragment. We need to be careful to separate out the aggregations that apply only to the distinct set of values. We need to apply a distinct operator to those before we combine them with everything else.
Fields§
§full_aggrs: Vec<AggregateExpr>
All of the aggregations we were asked to compute, stored in order.
simple_aggrs: Vec<(usize, usize, AggregateExpr)>
All of the non-distinct accumulable aggregates. Each element represents: (index of the aggregation among accumulable aggregations, index of the datum among inputs, aggregation expr) These will all be rendered together in one dataflow fragment.
distinct_aggrs: Vec<(usize, usize, AggregateExpr)>
Same as above but for all of the DISTINCT
accumulable aggregations.
Trait Implementations§
source§impl Clone for AccumulablePlan
impl Clone for AccumulablePlan
source§fn clone(&self) -> AccumulablePlan
fn clone(&self) -> AccumulablePlan
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for AccumulablePlan
impl Debug for AccumulablePlan
source§impl<'de> Deserialize<'de> for AccumulablePlan
impl<'de> Deserialize<'de> for AccumulablePlan
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl DisplayText<PlanRenderingContext<'_, Plan>> for AccumulablePlan
impl DisplayText<PlanRenderingContext<'_, Plan>> for AccumulablePlan
source§impl Ord for AccumulablePlan
impl Ord for AccumulablePlan
source§fn cmp(&self, other: &AccumulablePlan) -> Ordering
fn cmp(&self, other: &AccumulablePlan) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for AccumulablePlan
impl PartialEq for AccumulablePlan
source§impl PartialOrd for AccumulablePlan
impl PartialOrd for AccumulablePlan
source§impl RustType<ProtoAccumulablePlan> for AccumulablePlan
impl RustType<ProtoAccumulablePlan> for AccumulablePlan
source§fn into_proto(&self) -> ProtoAccumulablePlan
fn into_proto(&self) -> ProtoAccumulablePlan
Convert a
Self
into a Proto
value.source§fn from_proto(proto: ProtoAccumulablePlan) -> Result<Self, TryFromProtoError>
fn from_proto(proto: ProtoAccumulablePlan) -> Result<Self, TryFromProtoError>
source§fn into_proto_owned(self) -> Proto
fn into_proto_owned(self) -> Proto
A zero clone version of
Self::into_proto
that types can
optionally implement, otherwise, the default implementation
delegates to Self::into_proto
.source§impl Serialize for AccumulablePlan
impl Serialize for AccumulablePlan
impl Eq for AccumulablePlan
impl StructuralPartialEq for AccumulablePlan
Auto Trait Implementations§
impl Freeze for AccumulablePlan
impl RefUnwindSafe for AccumulablePlan
impl Send for AccumulablePlan
impl Sync for AccumulablePlan
impl Unpin for AccumulablePlan
impl UnwindSafe for AccumulablePlan
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