// Data base Engine handle
func Open(file string, mode OpenFlags) (*Unqlite, error) {
f := C.CString(file)
defer C.free(unsafe.Pointer(f))
db := &Unqlite{}
e := C.unqlite_open(&db.db, f, C.uint(mode))
if e != C.UNQLITE_OK {
return nil, code2Error(e)
}
return db, nil
}
// Open a database and return unqite object.
// If fileName is ":mem:", then a private, in-memory database is created for the connection.
// See: http://unqlite.org/c_api/unqlite_open.html
func OpenUnqlite(fileName string, mode uint) (*Unqlite, error) {
cname := C.CString(fileName)
defer C.free(unsafe.Pointer(cname))
var db *C.unqlite
if rc := C.unqlite_open(&db, cname, C.uint(mode)); rc != C.UNQLITE_OK {
return nil, ErrCode(rc)
}
return &Unqlite{db}, nil
}
// NewDatabase ...
func NewDatabase(filename string) (db *Database, err error) {
db = &Database{}
name := C.CString(filename)
defer C.free(unsafe.Pointer(name))
res := C.unqlite_open(&db.handle, name, C.UNQLITE_OPEN_CREATE)
if res != C.UNQLITE_OK {
err = UnQLiteError(res)
}
if db.handle != nil {
runtime.SetFinalizer(db, (*Database).Close)
}
return
}
// Open creates a database handle.
func Open(filename string) (*Handle, error) {
var db *C.unqlite
name := C.CString(filename)
defer C.free(unsafe.Pointer(name))
rv := C.unqlite_open(&db, name, C.UNQLITE_OPEN_CREATE)
if rv != C.UNQLITE_OK {
return nil, Errno(rv)
}
if db == nil {
return nil, errors.New("unqlite unable to allocate memory to hold the database")
}
return &Handle{db}, nil
}
