本文整理汇总了Golang中C.sqlite3_errmsg函数的典型用法代码示例。如果您正苦于以下问题：Golang sqlite3_errmsg函数的具体用法？Golang sqlite3_errmsg怎么用？Golang sqlite3_errmsg使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了sqlite3_errmsg函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: Open
// Open database and return a new connection.
// You can specify DSN string with URI filename.
// test.db
// file:test.db?cache=shared&mode=memory
// :memory:
// file::memory:
func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
if C.sqlite3_threadsafe() == 0 {
return nil, errors.New("sqlite library was not compiled for thread-safe operation")
}
var db *C.sqlite3
name := C.CString(dsn)
defer C.free(unsafe.Pointer(name))
rv := C._sqlite3_open_v2(name, &db,
C.SQLITE_OPEN_FULLMUTEX|
C.SQLITE_OPEN_READWRITE|
C.SQLITE_OPEN_CREATE,
nil)
if rv != 0 {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
if db == nil {
return nil, errors.New("sqlite succeeded without returning a database")
}
rv = C.sqlite3_busy_timeout(db, 5000)
if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
return &SQLiteConn{db}, nil
}示例2: Open
// Open database and return a new connection.
// You can specify DSN string with URI filename.
// test.db
// file:test.db?cache=shared&mode=memory
// :memory:
// file::memory:
func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
if C.sqlite3_threadsafe() == 0 {
return nil, errors.New("sqlite library was not compiled for thread-safe operation")
}
var db *C.sqlite3
name := C.CString(dsn)
defer C.free(unsafe.Pointer(name))
rv := C._sqlite3_open_v2(name, &db,
C.SQLITE_OPEN_FULLMUTEX|
C.SQLITE_OPEN_READWRITE|
C.SQLITE_OPEN_CREATE,
nil)
if rv != 0 {
return nil, Error{Code: ErrNo(rv)}
}
if db == nil {
return nil, errors.New("sqlite succeeded without returning a database")
}
rv = C.sqlite3_busy_timeout(db, 5000)
if rv != C.SQLITE_OK {
return nil, Error{Code: ErrNo(rv)}
}
conn := &SQLiteConn{db}
if len(d.Extensions) > 0 {
rv = C.sqlite3_enable_load_extension(db, 1)
if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
for _, extension := range d.Extensions {
cext := C.CString(extension)
defer C.free(unsafe.Pointer(cext))
rv = C.sqlite3_load_extension(db, cext, nil, nil)
if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
}
rv = C.sqlite3_enable_load_extension(db, 0)
if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
}
if d.ConnectHook != nil {
if err := d.ConnectHook(conn); err != nil {
return nil, err
}
}
runtime.SetFinalizer(conn, (*SQLiteConn).Close)
return conn, nil
}示例3: bind
func (s *SQLiteStmt) bind(args []driver.Value) error {
rv := C.sqlite3_reset(s.s)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
for i, v := range args {
n := C.int(i + 1)
switch v := v.(type) {
case nil:
rv = C.sqlite3_bind_null(s.s, n)
case string:
if len(v) == 0 {
b := []byte{0}
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(0))
} else {
b := []byte(v)
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
case int:
rv = C.sqlite3_bind_int64(s.s, n, C.sqlite3_int64(v))
case int32:
rv = C.sqlite3_bind_int(s.s, n, C.int(v))
case int64:
rv = C.sqlite3_bind_int64(s.s, n, C.sqlite3_int64(v))
case byte:
rv = C.sqlite3_bind_int(s.s, n, C.int(v))
case bool:
if bool(v) {
rv = C.sqlite3_bind_int(s.s, n, 1)
} else {
rv = C.sqlite3_bind_int(s.s, n, 0)
}
case float32:
rv = C.sqlite3_bind_double(s.s, n, C.double(v))
case float64:
rv = C.sqlite3_bind_double(s.s, n, C.double(v))
case []byte:
var p *byte
if len(v) > 0 {
p = &v[0]
}
rv = C._sqlite3_bind_blob(s.s, n, unsafe.Pointer(p), C.int(len(v)))
case time.Time:
b := []byte(v.UTC().Format(SQLiteTimestampFormats[0]))
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
}
return nil
}示例4: Close
func (s *SQLiteStmt) Close() error {
rv := C.sqlite3_finalize(s.s)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
return nil
}示例5: Close
// Close the rows.
func (rc *SQLiteRows) Close() error {
rv := C.sqlite3_reset(rc.s.s)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
}
return nil
}示例6: Next
func (rc *SQLiteRows) Next(dest []driver.Value) error {
rv := C.sqlite3_step(rc.s.s)
if rv == C.SQLITE_DONE {
return io.EOF
}
if rv != C.SQLITE_ROW {
return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
}
for i := range dest {
switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
case C.SQLITE_INTEGER:
dest[i] = int64(C.sqlite3_column_int64(rc.s.s, C.int(i)))
case C.SQLITE_FLOAT:
dest[i] = float64(C.sqlite3_column_double(rc.s.s, C.int(i)))
case C.SQLITE_BLOB:
n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
p := C.sqlite3_column_blob(rc.s.s, C.int(i))
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n]
case C.SQLITE_NULL:
dest[i] = nil
case C.SQLITE_TEXT:
dest[i] = C.GoString((*C.char)(unsafe.Pointer(C.sqlite3_column_text(rc.s.s, C.int(i)))))
}
}
return nil
}示例7: lastError
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)),
}
}示例8: Next
func (rc *SQLiteRows) Next(dest []driver.Value) error {
rv := C.sqlite3_step(rc.s.s)
if rv == C.SQLITE_DONE {
return io.EOF
}
if rv != C.SQLITE_ROW {
return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
}
if rc.decltype == nil {
rc.decltype = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
rc.decltype[i] = strings.ToLower(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))))
}
}
for i := range dest {
switch C.sqlite3_column_type(rc.s.s, C.int(i)) {
case C.SQLITE_INTEGER:
val := int64(C.sqlite3_column_int64(rc.s.s, C.int(i)))
switch rc.decltype[i] {
case "timestamp":
dest[i] = time.Unix(val, 0)
case "boolean":
dest[i] = val > 0
default:
dest[i] = val
}
case C.SQLITE_FLOAT:
dest[i] = float64(C.sqlite3_column_double(rc.s.s, C.int(i)))
case C.SQLITE_BLOB:
n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
p := C.sqlite3_column_blob(rc.s.s, C.int(i))
switch dest[i].(type) {
case sql.RawBytes:
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n]
default:
slice := make([]byte, n)
copy(slice[:], (*[1 << 30]byte)(unsafe.Pointer(p))[0:n])
dest[i] = slice
}
case C.SQLITE_NULL:
dest[i] = nil
case C.SQLITE_TEXT:
var err error
s := C.GoString((*C.char)(unsafe.Pointer(C.sqlite3_column_text(rc.s.s, C.int(i)))))
if rc.decltype[i] == "timestamp" {
dest[i], err = time.Parse(SQLiteTimestampFormat, s)
if err != nil {
return err
}
} else {
dest[i] = s
}
}
}
return nil
}示例9: error
func (c *conn) error(rv C.int) error {
if rv == 0 {
return nil
}
if rv == 21 || c.closed {
return errno(rv)
}
return errors.New(errno(rv).Error() + ": " + C.GoString(C.sqlite3_errmsg(c.db)))
}示例10: sqlErrorMessage
func (self *sqlConnection) sqlErrorMessage() string {
cp := C.sqlite3_errmsg(self.handle)
if cp == nil {
// The call can't really fail since it returns
// a string constant, but let's be safe...
sqlPanic("can't get error message")
}
return C.GoString(cp)
}示例11: exec
func (c *SQLiteConn) exec(cmd string) error {
pcmd := C.CString(cmd)
defer C.free(unsafe.Pointer(pcmd))
rv := C.sqlite3_exec(c.db, pcmd, nil, nil, nil)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
return nil
}示例12: error
func (c *Conn) error(rv C.int) os.Error {
if c == nil || c.db == nil {
return os.NewError("nil sqlite database")
}
if rv == 21 { // misuse
return Errno(rv)
}
return os.NewError(Errno(rv).String() + ": " + C.GoString(C.sqlite3_errmsg(c.db)))
}示例13: LastError
// LastError returns the error for the most recent failed sqlite3_* API call associated with a database connection.
// (See http://sqlite.org/c3ref/errcode.html)
func (c *Conn) LastError() error {
if c == nil {
return errors.New("nil sqlite database")
}
errorCode := C.sqlite3_errcode(c.db)
if errorCode == C.SQLITE_OK {
return nil
}
return &ConnError{c: c, code: Errno(errorCode), msg: C.GoString(C.sqlite3_errmsg(c.db))}
}示例14: Exec
// Execute the statement with arguments. Return result object.
func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
if err := s.bind(args); err != nil {
return nil, err
}
rv := C.sqlite3_step(s.s)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
return &SQLiteResult{s}, nil
}示例15: loadExtensions
func (c *SQLiteConn) loadExtensions(extensions []string) error {
rv := C.sqlite3_enable_load_extension(c.db, 1)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
for _, extension := range extensions {
cext := C.CString(extension)
defer C.free(unsafe.Pointer(cext))
rv = C.sqlite3_load_extension(c.db, cext, nil, nil)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
}
rv = C.sqlite3_enable_load_extension(c.db, 0)
if rv != C.SQLITE_OK {
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
return nil
}