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StatisticalAggregatePolicy

Trait StatisticalAggregatePolicy 

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pub trait StatisticalAggregatePolicy<D>: Numeric {
    type StddevPop: DataType;
    type StddevSamp: DataType;
    type VarPop: DataType;
    type VarSamp: DataType;
}

Required Associated Types§

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types§

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impl StatisticalAggregatePolicy<PostgresDialect> for Float4

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impl StatisticalAggregatePolicy<PostgresDialect> for Float8

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impl StatisticalAggregatePolicy<PostgresDialect> for Int2

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impl StatisticalAggregatePolicy<PostgresDialect> for Int4

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impl StatisticalAggregatePolicy<PostgresDialect> for Int8

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impl StatisticalAggregatePolicy<PostgresDialect> for Numeric

Implementors§