use std::fmt::Display;

use crate::arguments::Arguments;

use crate::connection::Connect;

use crate::cursor::Cursor;

use crate::row::Row;

use crate::types::TypeInfo;

/// A database driver.

///

/// This trait encapsulates a complete driver implementation to a specific

/// database (e.g., MySQL, Postgres).

pub trait Database

where

Self: Sized + Send + 'static,

Self: for<'c> HasRow<'c, Database = Self>,

Self: for<'c> HasRawValue<'c>,

Self: for<'c, 'q> HasCursor<'c, 'q, Database = Self>,

{

/// The concrete `Connection` implementation for this database.

type Connection: Connect<Database = Self>;

/// The concrete `Arguments` implementation for this database.

type Arguments: Arguments<Database = Self>;

/// The concrete `TypeInfo` implementation for this database.

type TypeInfo: TypeInfo;

/// The Rust type of table identifiers for this database.

type TableId: Display + Clone;

type RawBuffer;

}

pub trait HasRawValue<'c> {

type RawValue;

}

pub trait HasCursor<'c, 'q> {

type Database: Database;

type Cursor: Cursor<'c, 'q, Database = Self::Database>;

}

pub trait HasRow<'c> {

type Database: Database;

type Row: Row<'c, Database = Self::Database>;

}