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Overview
| Comment: | Fix a potential infinite loop (inserted by the previous check-in) on the multiplexWrite() method of the multiplexor. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | nx-devkit |
| Files: | files | file ages | folders |
| SHA1: |
022bf427c2edfe494ec7c222f436953f |
| User & Date: | drh 2011-12-16 05:09:46 |
Context
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2011-12-16
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| 05:50 | Tweaks to the way multiplexSubOpen() works, for backwards compatibility. (check-in: bb403388 user: drh tags: nx-devkit) | |
| 05:09 | Fix a potential infinite loop (inserted by the previous check-in) on the multiplexWrite() method of the multiplexor. (check-in: 022bf427 user: drh tags: nx-devkit) | |
| 04:57 | The xTruncate method for the multiplexor now changes surplus overflow files to zero-length by default. Or if the "truncate" query parameter is used, it actually deletes the surplus overflow files. This allows VACUUM to shrink the database again. (check-in: 5aefef04 user: drh tags: nx-devkit) | |
Changes
Changes to src/test_multiplex.c.
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*rc = SQLITE_FULL;
return 0;
}
#endif
*rc = multiplexSubFilename(pGroup, iChunk);
if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){
int flags, rc2, bExists;
if( iChunk==0 ) createFlag = (pGroup->flags & SQLITE_OPEN_CREATE)!=0;
flags = pGroup->flags;
if( createFlag ){
flags |= SQLITE_OPEN_CREATE;
}else if( pGroup->aReal[iChunk].z==0 ){
return 0;
}else{
................................................................................
}
pSubOpen = sqlite3_malloc( pOrigVfs->szOsFile );
if( pSubOpen==0 ){
*rc = SQLITE_NOMEM;
return 0;
}
pGroup->aReal[iChunk].p = pSubOpen;
rc2 = pOrigVfs->xOpen(pOrigVfs, pGroup->aReal[iChunk].z, pSubOpen,
flags, pOutFlags);
if( rc2!=SQLITE_OK ){
sqlite3_free(pSubOpen);
pGroup->aReal[iChunk].p = 0;
return 0;
}
}
return pSubOpen;
}
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*rc = SQLITE_FULL;
return 0;
}
#endif
*rc = multiplexSubFilename(pGroup, iChunk);
if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){
int flags, bExists;
if( iChunk==0 ) createFlag = (pGroup->flags & SQLITE_OPEN_CREATE)!=0;
flags = pGroup->flags;
if( createFlag ){
flags |= SQLITE_OPEN_CREATE;
}else if( pGroup->aReal[iChunk].z==0 ){
return 0;
}else{
................................................................................
}
pSubOpen = sqlite3_malloc( pOrigVfs->szOsFile );
if( pSubOpen==0 ){
*rc = SQLITE_NOMEM;
return 0;
}
pGroup->aReal[iChunk].p = pSubOpen;
*rc = pOrigVfs->xOpen(pOrigVfs, pGroup->aReal[iChunk].z, pSubOpen,
flags, pOutFlags);
if( (*rc)!=SQLITE_OK ){
sqlite3_free(pSubOpen);
pGroup->aReal[iChunk].p = 0;
return 0;
}
}
return pSubOpen;
}
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