SQLite

Check-in [d2efd3c176]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Additional error reporting. Open the source database read/write so that it can delete the WAL file when done.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | scrub-backup
Files: files | file ages | folders
SHA1: d2efd3c176f0eba2d78105f0bb3161db38bd4bab
User & Date: drh 2016-05-05 23:59:22.078
Context
2016-05-17
17:11
Merge the latest changes from trunk. (check-in: 5021dfe1f3 user: drh tags: scrub-backup)
2016-05-05
23:59
Additional error reporting. Open the source database read/write so that it can delete the WAL file when done. (check-in: d2efd3c176 user: drh tags: scrub-backup)
23:39
Working when run against sqlite.fossil. (check-in: b0bd9dd625 user: drh tags: scrub-backup)
Changes
Unified Diff Ignore Whitespace Patch
Changes to ext/misc/scrub.c.
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

/* Open the source database file */
static void scrubBackupOpenSrc(ScrubState *p){
  sqlite3_stmt *pStmt;
  int rc;
  /* Open the source database file */
  p->rcErr = sqlite3_open_v2(p->zSrcFile, &p->dbSrc,
                 SQLITE_OPEN_READONLY |
                 SQLITE_OPEN_URI | SQLITE_OPEN_PRIVATECACHE, 0);
  if( p->rcErr ){
    scrubBackupErr(p, "cannot open source database: %s",
                      sqlite3_errmsg(p->dbSrc));
    return;
  }
  p->rcErr = sqlite3_exec(p->dbSrc, "BEGIN", 0, 0, 0);







|







153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

/* Open the source database file */
static void scrubBackupOpenSrc(ScrubState *p){
  sqlite3_stmt *pStmt;
  int rc;
  /* Open the source database file */
  p->rcErr = sqlite3_open_v2(p->zSrcFile, &p->dbSrc,
                 SQLITE_OPEN_READWRITE |
                 SQLITE_OPEN_URI | SQLITE_OPEN_PRIVATECACHE, 0);
  if( p->rcErr ){
    scrubBackupErr(p, "cannot open source database: %s",
                      sqlite3_errmsg(p->dbSrc));
    return;
  }
  p->rcErr = sqlite3_exec(p->dbSrc, "BEGIN", 0, 0, 0);
534
535
536
537
538
539
540



541
542
543
544
545
546
547
548
549
550
551











552
553
554
555
556
557
558
559

560
561
562
563
564
565
566
567
568
569
570
571
572
  }
  sqlite3_finalize(pStmt);

scrub_abort:    
  /* Close the destination database without closing the transaction. If we
  ** commit, page zero will be overwritten. */
  sqlite3_close(s.dbDest);



  sqlite3_close(s.dbSrc);
  sqlite3_free(s.page1);
  if( pzErr ){
    *pzErr = s.zErr;
  }else{
    sqlite3_free(s.zErr);
  }
  return s.rcErr;
}   

#ifdef SCRUB_STANDALONE











/* The main() routine when this utility is run as a stand-alone program */
int main(int argc, char **argv){
  char *zErr = 0;
  int rc;
  if( argc!=3 ){
    fprintf(stderr,"Usage: %s SOURCE DESTINATION\n", argv[0]);
    exit(1);
  }

  rc = sqlite3_scrub_backup(argv[1], argv[2], &zErr);
  if( rc==SQLITE_NOMEM ){
    fprintf(stderr, "%s: out of memory\n", argv[0]);
    exit(1);
  }
  if( zErr ){
    fprintf(stderr, "%s: %s\n", argv[0], zErr);
    sqlite3_free(zErr);
    exit(1);
  }
  return 0;
}
#endif







>
>
>











>
>
>
>
>
>
>
>
>
>
>








>













534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
  }
  sqlite3_finalize(pStmt);

scrub_abort:    
  /* Close the destination database without closing the transaction. If we
  ** commit, page zero will be overwritten. */
  sqlite3_close(s.dbDest);

  /* But do close out the read-transaction on the source database */
  sqlite3_exec(s.dbSrc, "COMMIT;", 0, 0, 0);
  sqlite3_close(s.dbSrc);
  sqlite3_free(s.page1);
  if( pzErr ){
    *pzErr = s.zErr;
  }else{
    sqlite3_free(s.zErr);
  }
  return s.rcErr;
}   

#ifdef SCRUB_STANDALONE
/* Error and warning log */
static void errorLogCallback(void *pNotUsed, int iErr, const char *zMsg){
  const char *zType;
  switch( iErr&0xff ){
    case SQLITE_WARNING: zType = "WARNING";  break;
    case SQLITE_NOTICE:  zType = "NOTICE";   break;
    default:             zType = "ERROR";    break;
  }
  fprintf(stderr, "%s: %s\n", zType, zMsg);
}

/* The main() routine when this utility is run as a stand-alone program */
int main(int argc, char **argv){
  char *zErr = 0;
  int rc;
  if( argc!=3 ){
    fprintf(stderr,"Usage: %s SOURCE DESTINATION\n", argv[0]);
    exit(1);
  }
  sqlite3_config(SQLITE_CONFIG_LOG, errorLogCallback, 0);
  rc = sqlite3_scrub_backup(argv[1], argv[2], &zErr);
  if( rc==SQLITE_NOMEM ){
    fprintf(stderr, "%s: out of memory\n", argv[0]);
    exit(1);
  }
  if( zErr ){
    fprintf(stderr, "%s: %s\n", argv[0], zErr);
    sqlite3_free(zErr);
    exit(1);
  }
  return 0;
}
#endif