Trait KnownCastSqlTypeName 

pub trait KnownCastSqlTypeName<DB> {
    const SQL_TYPE_NAME: &'static str;
}

We know what to write as sql_type in the CAST(expr AS sql_type) SQL for Self

That is what is returned by Self::sql_type_name()

Required Associated Constants

const SQL_TYPE_NAME: &'static str

What to write as sql_type in the CAST(expr AS sql_type) SQL for Self

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl KnownCastSqlTypeName<Sqlite> for Json

Available on crate feature sqlite only.

const SQL_TYPE_NAME: &'static str = "json"

impl KnownCastSqlTypeName<Sqlite> for Jsonb

Available on crate feature sqlite only.

const SQL_TYPE_NAME: &'static str = "jsonb"

impl KnownCastSqlTypeName<Sqlite> for Text

Available on crate feature sqlite only.

const SQL_TYPE_NAME: &'static str = "text"

impl<ST, DB> KnownCastSqlTypeName<DB> for Nullable<ST>

where ST: KnownCastSqlTypeName<DB>,

const SQL_TYPE_NAME: &'static str