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go-sqlite3
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Rervert ff8e6729ce

This commit is contained in:
mattn 2013-08-14 12:07:06 +09:00
parent 11ed382de3
commit 34a33cffaa
3 changed files with 11 additions and 90 deletions
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41
error.go
View File

@ -1,41 +0,0 @@
package sqlite3
import "C"
type ErrNo int
// result codes from http://www.sqlite.org/c3ref/c_abort.html
var (
ErrError error = ErrNo(1) /* SQL error or missing database */
ErrInternal error = ErrNo(2) /* Internal logic error in SQLite */
ErrPerm error = ErrNo(3) /* Access permission denied */
ErrAbort error = ErrNo(4) /* Callback routine requested an abort */
ErrBusy error = ErrNo(5) /* The database file is locked */
ErrLocked error = ErrNo(6) /* A table in the database is locked */
ErrNomem error = ErrNo(7) /* A malloc() failed */
ErrReadonly error = ErrNo(8) /* Attempt to write a readonly database */
ErrInterrupt error = ErrNo(9) /* Operation terminated by sqlite3_interrupt() */
ErrIoErr error = ErrNo(10) /* Some kind of disk I/O error occurred */
ErrCorrupt error = ErrNo(11) /* The database disk image is malformed */
ErrNotFound error = ErrNo(12) /* Unknown opcode in sqlite3_file_control() */
ErrFull error = ErrNo(13) /* Insertion failed because database is full */
ErrCantOpen error = ErrNo(14) /* Unable to open the database file */
ErrProtocol error = ErrNo(15) /* Database lock protocol error */
ErrEmpty error = ErrNo(16) /* Database is empty */
ErrSchema error = ErrNo(17) /* The database schema changed */
ErrTooBig error = ErrNo(18) /* String or BLOB exceeds size limit */
ErrConstraint error = ErrNo(19) /* Abort due to constraint violation */
ErrMismatch error = ErrNo(20) /* Data type mismatch */
ErrMisuse error = ErrNo(21) /* Library used incorrectly */
ErrNoLFS error = ErrNo(22) /* Uses OS features not supported on host */
ErrAuth error = ErrNo(23) /* Authorization denied */
ErrFormat error = ErrNo(24) /* Auxiliary database format error */
ErrRange error = ErrNo(25) /* 2nd parameter to sqlite3_bind out of range */
ErrNotADB error = ErrNo(26) /* File opened that is not a database file */
ErrNotice error = ErrNo(27) /* Notifications from sqlite3_log() */
ErrWarning error = ErrNo(28) /* Warnings from sqlite3_log() */
)
func (err ErrNo) Error() string {
return errorString(err)
}

34
error_test.go
View File

@ -1,34 +0,0 @@
package sqlite3
import (
"database/sql"
"io/ioutil"
"os"
"path"
"testing"
)
func TestFailures(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
dbFileName := path.Join(dirName, "test.db")
f, err := os.Create(dbFileName)
if err != nil {
t.Error(err)
}
f.Write([]byte{1, 2, 3, 4, 5})
f.Close()
db, err := sql.Open("sqlite3", dbFileName)
if err == nil {
_, err = db.Exec("drop table foo")
}
if err != ErrNotADB {
t.Error("wrong error code for corrupted DB")
}
db.Close()
}

26
sqlite3.go
View File

@ -132,7 +132,7 @@ func (c *SQLiteConn) exec(cmd string) error {
defer C.free(unsafe.Pointer(pcmd))
rv := C.sqlite3_exec(c.db, pcmd, nil, nil, nil)
if rv != C.SQLITE_OK {
return ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
return nil
}
@ -145,10 +145,6 @@ func (c *SQLiteConn) Begin() (driver.Tx, error) {
return &SQLiteTx{c}, nil
}
func errorString(err ErrNo) string {
return C.GoString(C.sqlite3_errstr(C.int(err)))
}
// Open database and return a new connection.
// You can specify DSN string with URI filename.
// test.db
@ -169,7 +165,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
C.SQLITE_OPEN_CREATE,
nil)
if rv != 0 {
return nil, ErrNo(rv)
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
if db == nil {
return nil, errors.New("sqlite succeeded without returning a database")
@ -177,7 +173,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
rv = C.sqlite3_busy_timeout(db, 5000)
if rv != C.SQLITE_OK {
return nil, ErrNo(rv)
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
}
return &SQLiteConn{db}, nil
@ -192,7 +188,7 @@ func (c *SQLiteConn) Close() error {
}
rv := C.sqlite3_close(c.db)
if rv != C.SQLITE_OK {
return ErrNo(rv)
return errors.New("error while closing sqlite database connection")
}
c.db = nil
return nil
@ -206,7 +202,7 @@ func (c *SQLiteConn) Prepare(query string) (driver.Stmt, error) {
var perror *C.char
rv := C.sqlite3_prepare_v2(c.db, pquery, -1, &s, &perror)
if rv != C.SQLITE_OK {
return nil, ErrNo(rv)
return nil, errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
}
var t string
if perror != nil && C.strlen(perror) > 0 {
@ -226,7 +222,7 @@ func (s *SQLiteStmt) Close() error {
}
rv := C.sqlite3_finalize(s.s)
if rv != C.SQLITE_OK {
return ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
return nil
}
@ -239,7 +235,7 @@ func (s *SQLiteStmt) NumInput() int {
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 ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
for i, v := range args {
@ -284,7 +280,7 @@ func (s *SQLiteStmt) bind(args []driver.Value) error {
rv = C._sqlite3_bind_text(s.s, n, (*C.char)(unsafe.Pointer(&b[0])), C.int(len(b)))
}
if rv != C.SQLITE_OK {
return ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
}
return nil
@ -315,7 +311,7 @@ func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
}
rv := C.sqlite3_step(s.s)
if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
return nil, ErrNo(rv)
return nil, errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
}
res := &SQLiteResult{
@ -329,7 +325,7 @@ func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
func (rc *SQLiteRows) Close() error {
rv := C.sqlite3_reset(rc.s.s)
if rv != C.SQLITE_OK {
return ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
}
return nil
}
@ -352,7 +348,7 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
return io.EOF
}
if rv != C.SQLITE_ROW {
return ErrNo(rv)
return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
}
if rc.decltype == nil {