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Merge in the untrusted-schema enhancements.

Browse Source 
See [/doc/87aea3ab1cdda453/doc/trusted-schema.md|doc/trusted-schema.md]
for details.

FossilOrigin-Name: 5720924cb07766cd54fb042da58f4b4acf12b60029fba86a23a606ad0d0f7c68
This commit is contained in:
drh
2020-01-09 20:44:37 +00:00
parent 32d184e049 b84fda37ef
commit bebce86cde
53 changed files with 993 additions and 233 deletions
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10
src/select.c
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@@ -4970,7 +4970,15 @@ static int selectExpander(Walker *pWalker, Select *p){
assert( pFrom->pSelect==0 );
if( pTab->pSelect && (db->flags & SQLITE_EnableView)==0 ){
sqlite3ErrorMsg(pParse, "access to view \"%s\" prohibited",
pTab->zName);
pTab->zName);
}
if( IsVirtual(pTab)
&& pFrom->fg.fromDDL
&& ALWAYS(pTab->pVTable!=0)
&& pTab->pVTable->eVtabRisk > ((db->flags & SQLITE_TrustedSchema)!=0)
){
sqlite3ErrorMsg(pParse, "unsafe use of virtual table \"%s\"",
pTab->zName);
}
pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0);
nCol = pTab->nCol;