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Fix the SQLITE_DESERIALIZE_READONLY feature so that it does not cause

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an assertion fault in the pager.

FossilOrigin-Name: b9eccef7825c61980678599358b62bc394283124653061ce163ead0c653f481d
This commit is contained in:
drh
2019-01-22 16:43:47 +00:00
parent 178edcd774
commit f186f0b058
3 changed files with 13 additions and 8 deletions
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7
src/memdb.c
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@@ -188,7 +188,7 @@ static int memdbWrite(
sqlite_int64 iOfst
){
MemFile *p = (MemFile *)pFile;
if( p->mFlags & SQLITE_DESERIALIZE_READONLY ) return SQLITE_READONLY;
if( NEVER(p->mFlags & SQLITE_DESERIALIZE_READONLY) ) return SQLITE_READONLY;
if( iOfst+iAmt>p->sz ){
int rc;
if( iOfst+iAmt>p->szAlloc
@@ -238,6 +238,11 @@ static int memdbFileSize(sqlite3_file *pFile, sqlite_int64 *pSize){
*/
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;
}