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Merge pull request #130 from shuhaowu/sqlite-backup-step-done-check 

Added an IsDone method for backup
This commit is contained in:
mattn 2014-07-12 23:38:18 +09:00
parent 9d2ae379b4 6d40aa115a
commit f87f73cc9a
1 changed files with 10 additions and 4 deletions
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14
backup.go
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@ -25,12 +25,18 @@ func (c *SQLiteConn) Backup(dest string, conn *SQLiteConn, src string) (*Backup,
return nil, c.lastError() return nil, c.lastError()
} }
func (b *Backup) Step(p int) error { // Backs up for one step. Calls the underlying `sqlite3_backup_step` function.
// This function returns a boolean indicating if the backup is done and
// an error signalling any other error. Done is returned if the underlying C
// function returns SQLITE_DONE (Code 101)
func (b *Backup) Step(p int) (bool, error) {
ret := C.sqlite3_backup_step(b.b, C.int(p)) ret := C.sqlite3_backup_step(b.b, C.int(p))
if ret != 0 { if ret == 101 {
return Error{Code: ErrNo(ret)} return true, nil
} else if ret != 0 {
return false, Error{Code: ErrNo(ret)}
} }
return nil return false, nil
} }
func (b *Backup) Remaining() int { func (b *Backup) Remaining() int {