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Merge fix [f80c3f922a] with experimental changes.

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FossilOrigin-Name: 20133e9ca98f5e6c42051ed3d65e4eb71d5366a5
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dan
2010-06-17 06:19:53 +00:00
parent 2a321c7547 b28e59bbbb
commit c002518074
5 changed files with 18 additions and 18 deletions
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11
src/pager.c
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@@ -2241,9 +2241,9 @@ static int readDbPage(PgHdr *pPg){
/* If the read is unsuccessful, set the dbFileVers[] to something
** that will never be a valid file version. dbFileVers[] is a copy
** of bytes 24..39 of the database. Bytes 28..31 should always be
** zero. Bytes 32..35 and 35..39 should be page numbers which are
** never 0xffffffff. So filling pPager->dbFileVers[] with all 0xff
** bytes should suffice.
** zero or the size of the database in page. Bytes 32..35 and 35..39
** should be page numbers which are never 0xffffffff. So filling
** pPager->dbFileVers[] with all 0xff bytes should suffice.
**
** For an encrypted database, the situation is more complex: bytes
** 24..39 of the database are white noise. But the probability of
@@ -5011,7 +5011,10 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){
change_counter++;
put32bits(((char*)pPgHdr->pData)+24, change_counter);
/* Also store the SQLite version number in bytes 96..99 */
/* Also store the SQLite version number in bytes 96..99 and in
** bytes 92..95 store the change counter for which the version number
** is valid. */
put32bits(((char*)pPgHdr->pData)+92, change_counter);
put32bits(((char*)pPgHdr->pData)+96, SQLITE_VERSION_NUMBER);
/* If running in direct mode, write the contents of page 1 to the file. */