Trait LengthPolicy 

pub trait LengthPolicy<D>: DataType {
    type Output: DataType;
}

Required Associated Types

type Output: DataType

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

impl LengthPolicy<PostgresDialect> for Char

type Output = Int4

impl LengthPolicy<PostgresDialect> for Text

type Output = Int4

impl LengthPolicy<PostgresDialect> for Varchar

type Output = Int4

impl LengthPolicy<SQLiteDialect> for Any

type Output = Integer

impl LengthPolicy<SQLiteDialect> for Text

type Output = Integer

Implementors