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Overview
| Comment: | Fix the SQLITE_DESERIALIZE_READONLY feature so that it does not cause an assertion fault in the pager. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
b9eccef7825c61980678599358b62bc3 |
| User & Date: | drh 2019-01-22 16:43:47 |
Context
|
2019-01-22
| ||
| 16:44 | Use _strdup() instead of strdup() on Windows builds of the CLI, to avoid a compiler warning reported on the mailing list. check-in: a7126a4f user: drh tags: trunk | |
| 16:43 | Fix the SQLITE_DESERIALIZE_READONLY feature so that it does not cause an assertion fault in the pager. check-in: b9eccef7 user: drh tags: trunk | |
| 16:11 | Update dbfuzz2 to set a maximum database size of 100MiB by default, but with the new --max-db-size N option to change that limit. check-in: 21d6bb78 user: drh tags: trunk | |
Changes
Changes to src/memdb.c.
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static int memdbWrite(
sqlite3_file *pFile,
const void *z,
int iAmt,
sqlite_int64 iOfst
){
MemFile *p = (MemFile *)pFile;
if( p->mFlags & SQLITE_DESERIALIZE_READONLY ) return SQLITE_READONLY;
if( iOfst+iAmt>p->sz ){
int rc;
if( iOfst+iAmt>p->szAlloc
&& (rc = memdbEnlarge(p, iOfst+iAmt))!=SQLITE_OK
){
return rc;
}
................................................................................
}
/*
** Lock an memdb-file.
*/
static int memdbLock(sqlite3_file *pFile, int eLock){
MemFile *p = (MemFile *)pFile;
p->eLock = eLock;
return SQLITE_OK;
}
#if 0 /* Never used because memdbAccess() always returns false */
/*
** Check if another file-handle holds a RESERVED lock on an memdb-file.
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static int memdbWrite(
sqlite3_file *pFile,
const void *z,
int iAmt,
sqlite_int64 iOfst
){
MemFile *p = (MemFile *)pFile;
if( NEVER(p->mFlags & SQLITE_DESERIALIZE_READONLY) ) return SQLITE_READONLY;
if( iOfst+iAmt>p->sz ){
int rc;
if( iOfst+iAmt>p->szAlloc
&& (rc = memdbEnlarge(p, iOfst+iAmt))!=SQLITE_OK
){
return rc;
}
................................................................................
}
/*
** Lock an memdb-file.
*/
static int memdbLock(sqlite3_file *pFile, int eLock){
MemFile *p = (MemFile *)pFile;
if( eLock>SQLITE_LOCK_SHARED
&& (p->mFlags & SQLITE_DESERIALIZE_READONLY)!=0
){
return SQLITE_READONLY;
}
p->eLock = eLock;
return SQLITE_OK;
}
#if 0 /* Never used because memdbAccess() always returns false */
/*
** Check if another file-handle holds a RESERVED lock on an memdb-file.
|