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Distribution in datafusion::physical_plan - Rust
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Enum datafusion::physical_plan::Distribution[][src]

pub enum Distribution {
    UnspecifiedDistribution,
    SinglePartition,
    HashPartitioned(Vec<Arc<dyn PhysicalExpr>>),
}
Expand description

Distribution schemes

Variants

UnspecifiedDistribution

Unspecified distribution

SinglePartition

A single partition is required

HashPartitioned

Requires children to be distributed in such a way that the same values of the keys end up in the same partition

Tuple Fields of HashPartitioned

0: Vec<Arc<dyn PhysicalExpr>>

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

Should always be Self

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.