Trait SignPolicy 

pub trait SignPolicy {
    type Sign: DataType;
}

The type SIGN returns on each dialect.

SQLite and MySQL answer an integer; PostgreSQL answers numeric or double precision depending on the argument, which sign coerces to double precision.

Required Associated Types

type Sign: DataType

The SQL type of SIGN(expr).

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl SignPolicy for MySQLDialect

type Sign = BigInt

impl SignPolicy for PostgresDialect

type Sign = Float8

impl SignPolicy for SQLiteDialect

type Sign = Integer