Trait diesel::sql_types::Foldable

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pub trait Foldable: SingleValue {
    type Sum: SqlType + SingleValue;
    type Avg: SqlType + SingleValue;
}
Expand description

Represents SQL types which can be used with SUM and AVG

Required Associated Types§

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type Sum: SqlType + SingleValue

The SQL type of sum(this_type)

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type Avg: SqlType + SingleValue

The SQL type of avg(this_type)

Implementors§