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CountPolicy

drizzle_core::expr

Trait CountPolicy 

Source 
pub trait CountPolicy {
    type Count: DataType;
}

Required Associated Types§

Source

type Count: DataType

The integer type returned by COUNT (e.g. Integer on SQLite, Int8 on PostgreSQL).

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§