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SumMode

drive::query::drive_document_sum_query

Enum SumMode 

Source 
pub enum SumMode {
    Aggregate,
    GroupByIn,
    GroupByRange,
    GroupByCompound,
}
Expand description

What kind of sum-query the dispatcher should run. Parallels crate::query::drive_document_count_query::CountMode.

The four variants correspond to the four response shapes:

  • Aggregate → DocumentSumResponse::Aggregate(i64) (one sum)
  • GroupByIn → DocumentSumResponse::Entries(Vec<SumEntry>) (one entry per In value)
  • GroupByRange → Entries with one entry per distinct in-range value
  • GroupByCompound → Entries with one entry per (in_key, key) pair (compound In + range)

Variants§

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Aggregate

One sum across all matched documents.

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GroupByIn

One sum per In value (cartesian fan-out at the In’s position).

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GroupByRange

One sum per distinct value in a range.

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GroupByCompound

One sum per (In-value, range-value) pair.

Trait Implementations§

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impl Clone for SumMode

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fn clone(&self) -> SumMode

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SumMode

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for SumMode

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fn eq(&self, other: &SumMode) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for SumMode

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impl Eq for SumMode

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impl StructuralPartialEq for SumMode

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