syncthing/cmd/discosrv/db.go
2015-07-23 19:12:40 +01:00

33 lines
718 B
Go

// Copyright (C) 2014-2015 Jakob Borg and Contributors (see the CONTRIBUTORS file).
package main
import (
"database/sql"
"fmt"
)
type setupFunc func(db *sql.DB) error
type compileFunc func(db *sql.DB) (map[string]*sql.Stmt, error)
var (
setupFuncs = make(map[string]setupFunc)
compileFuncs = make(map[string]compileFunc)
)
func register(name string, setup setupFunc, compile compileFunc) {
setupFuncs[name] = setup
compileFuncs[name] = compile
}
func setup(backend string, db *sql.DB) (map[string]*sql.Stmt, error) {
setup, ok := setupFuncs[backend]
if !ok {
return nil, fmt.Errorf("Unsupported backend")
}
if err := setup(db); err != nil {
return nil, err
}
return compileFuncs[backend](db)
}