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Overview
| Comment: | Do not allow a backup to change the page size if a codec is in use. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 5523ecd32295c188e3bf5dbd57d92d28 |
| User & Date: | drh 2010-08-20 15:32:21 |
Context
|
2010-08-21
| ||
| 15:09 | Fix the ptrmapPageno() routine so that it works correctly for an input of 1. check-in: 699a9bf2 user: drh tags: trunk | |
|
2010-08-20
| ||
| 15:32 | Do not allow a backup to change the page size if a codec is in use. check-in: 5523ecd3 user: drh tags: trunk | |
| 12:43 | Fix typo in backcompat.test. check-in: 6a0cbb27 user: dan tags: trunk | |
Changes
Changes to src/backup.c.
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/* Catch the case where the destination is an in-memory database and the
** page sizes of the source and destination differ.
*/
if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){
rc = SQLITE_READONLY;
}
/* This loop runs once for each destination page spanned by the source
** page. For each iteration, variable iOff is set to the byte offset
** of the destination page.
*/
for(iOff=iEnd-(i64)nSrcPgsz; rc==SQLITE_OK && iOff<iEnd; iOff+=nDestPgsz){
DbPage *pDestPg = 0;
|
> > > > > > > > > |
216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 |
/* Catch the case where the destination is an in-memory database and the
** page sizes of the source and destination differ.
*/
if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){
rc = SQLITE_READONLY;
}
#ifdef SQLITE_HAS_CODEC
/* Backup is not possible if the page size of the destination is changing
** a a codec is in use.
*/
if( nSrcPgsz!=nDestPgsz && sqlite3PagerGetCodec(pDestPager)!=0 ){
rc = SQLITE_READONLY;
}
#endif
/* This loop runs once for each destination page spanned by the source
** page. For each iteration, variable iOff is set to the byte offset
** of the destination page.
*/
for(iOff=iEnd-(i64)nSrcPgsz; rc==SQLITE_OK && iOff<iEnd; iOff+=nDestPgsz){
DbPage *pDestPg = 0;
|