drivers.go
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drivers.go
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	/*
	* Copyright © 2019 A Bunch Tell LLC.
	*
	* This file is part of WriteFreely.
	*
	* WriteFreely is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License, included
	* in the LICENSE file in this source code package.
	*/

	package migrations

	import (
	"fmt"
	)

	// TODO: use now() from writefreely pkg
	func (db *datastore) now() string {
	if db.driverName == driverSQLite {
	return "strftime('%Y-%m-%d %H:%M:%S','now')"
	}
	return "NOW()"
	}

	func (db *datastore) typeInt() string {
	if db.driverName == driverSQLite {
	return "INTEGER"
	}
	return "INT"
	}

	func (db *datastore) typeSmallInt() string {
	if db.driverName == driverSQLite {
	return "INTEGER"
	}
	return "SMALLINT"
	}

	func (db *datastore) typeText() string {
	return "TEXT"
	}

	func (db *datastore) typeChar(l int) string {
	if db.driverName == driverSQLite {
	return "TEXT"
	}
	return fmt.Sprintf("CHAR(%d)", l)
	}

	func (db *datastore) typeVarChar(l int) string {
	if db.driverName == driverSQLite {
	return "TEXT"
	}
	return fmt.Sprintf("VARCHAR(%d)", l)
	}

	func (db *datastore) typeBool() string {
	if db.driverName == driverSQLite {
	return "INTEGER"
	}
	return "TINYINT(1)"
	}

	func (db *datastore) typeDateTime() string {
	return "DATETIME"
	}

	func (db *datastore) collateMultiByte() string {
	if db.driverName == driverSQLite {
	return ""
	}
	return " COLLATE utf8_bin"
	}

	func (db *datastore) engine() string {
	if db.driverName == driverSQLite {
	return ""
	}
	return " ENGINE = InnoDB"
	}