func (c *SQLiteConn) lastError() Error {
return Error{
Code: ErrNo(C.sqlite3_errcode(c.db)),
ExtendedCode: ErrNoExtended(C.sqlite3_extended_errcode(c.db)),
err: C.GoString(C.sqlite3_errmsg(c.db)),
}
}
func (self *sqlConnection) sqlExtendedErrorCode() int {
// SQLite 3.6.5 introduced sqlite3_extended_errcode(),
// see http://www.hwaci.com/sw/sqlite/changes.html for
// details; we can't expect wide availability yet, for
// example Debian Lenny ships SQLite 3.5.9 only.
if sqlVersionNumber() < 3006005 {
// just return the regular error code...
return self.sqlErrorCode()
}
return int(C.sqlite3_extended_errcode(self.handle))
}
// OpenVfs opens a new database with a specified virtual file system.
func OpenVfs(filename string, vfsname string, flags ...OpenFlag) (*Conn, error) {
if C.sqlite3_threadsafe() == 0 {
return nil, errors.New("sqlite library was not compiled for thread-safe operation")
}
var openFlags int
if len(flags) > 0 {
for _, flag := range flags {
openFlags |= int(flag)
}
} else {
openFlags = C.SQLITE_OPEN_FULLMUTEX | C.SQLITE_OPEN_READWRITE | C.SQLITE_OPEN_CREATE
}
var db *C.sqlite3
cname := C.CString(filename)
defer C.free(unsafe.Pointer(cname))
var vfs *C.char
if len(vfsname) > 0 {
vfs = C.CString(vfsname)
defer C.free(unsafe.Pointer(vfs))
}
rv := C.sqlite3_open_v2(cname, &db, C.int(openFlags), vfs)
if rv != C.SQLITE_OK {
if db != nil { // try to extract futher details from db...
err := OpenError{Code: Errno(rv),
ExtendedCode: int(C.sqlite3_extended_errcode(db)),
Msg: C.GoString(C.sqlite3_errmsg(db)),
Filename: filename,
}
C.sqlite3_close(db)
return nil, err
}
return nil, Errno(rv)
}
if db == nil {
return nil, errors.New("sqlite succeeded without returning a database")
}
c := &Conn{db: db, stmtCache: newCache(), DefaultTimeLayout: "2006-01-02 15:04:05.000Z07:00"}
if os.Getenv("SQLITE_DEBUG") != "" {
//c.SetAuthorizer(authorizer, c.db)
c.Trace(trace, "TRACE")
//c.SetCacheSize(0)
}
return c, nil
}
// FIXME it might be the case that a second error occurs on a separate thread in between the time of the first error and the call to this method.
func (e *ConnError) ExtendedCode() int {
return int(C.sqlite3_extended_errcode(e.c.db))
}
func fillDBError(dbErr *Error, db *C.sqlite3) {
// See SQLiteConn.lastError(), in file 'sqlite3.go' at the time of writing (Sept 5, 2016)
dbErr.Code = ErrNo(C.sqlite3_errcode(db))
dbErr.ExtendedCode = ErrNoExtended(C.sqlite3_extended_errcode(db))
dbErr.err = C.GoString(C.sqlite3_errmsg(db))
}