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Rename to SQLITE_IOCAP_SUBPAGE_READ.

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FossilOrigin-Name: dd446ef1816f4e95ce29de0b3841dd0a6c983646fd2dd271c2db8f3263478164
This commit is contained in:
drh
2024-10-22 18:26:03 +00:00
parent c8284c766a
commit 96501c89d5
6 changed files with 22 additions and 23 deletions
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4
src/pager.c
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@@ -809,7 +809,7 @@ static const unsigned char aJournalMagic[] = {
** by the b-tree layer. This is the case if:
**
** (1) the database file is open
** (2) the VFS for the database has BYPASS capability
** (2) the VFS for the database is able to do unaligned sub-page reads
** (3) there are no dirty pages in the cache, and
** (4) the desired page is not currently in the wal file.
*/
@@ -819,7 +819,7 @@ int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
if( pPager->fd->pMethods==0 ) return 0; /* Case (1) */
assert( pPager->fd->pMethods->xDeviceCharacteristics!=0 );
if( (pPager->fd->pMethods->xDeviceCharacteristics(pPager->fd)
& SQLITE_IOCAP_BYPASS)==0 ){
& SQLITE_IOCAP_SUBPAGE_READ)==0 ){
return 0; /* Case (2) */
}
if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0; /* Failed (3) */