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".

Implementations on Foreign Types

impl LengthPolicy<MySQLDialect> for Char

type Output = BigInt

impl LengthPolicy<MySQLDialect> for Enum

type Output = BigInt

impl LengthPolicy<MySQLDialect> for LongText

type Output = BigInt

impl LengthPolicy<MySQLDialect> for MediumText

type Output = BigInt

impl LengthPolicy<MySQLDialect> for Set

type Output = BigInt

impl LengthPolicy<MySQLDialect> for Text

type Output = BigInt

impl LengthPolicy<MySQLDialect> for TinyText

type Output = BigInt

impl LengthPolicy<MySQLDialect> for Varchar

type Output = BigInt

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