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-rw-r--r--src/select.c2
-rw-r--r--src/vdbe.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/src/select.c b/src/select.c
index eabbcc8c9..efb6e4173 100644
--- a/src/select.c
+++ b/src/select.c
@@ -3213,6 +3213,8 @@ static Expr *substExpr(
pExpr = pNew;
}
}
+ }else if( pExpr->op==TK_IF_NULL_ROW && pExpr->iTable==pSubst->iTable ){
+ pExpr->iTable = pSubst->iNewTable;
}else{
pExpr->pLeft = substExpr(pSubst, pExpr->pLeft);
pExpr->pRight = substExpr(pSubst, pExpr->pRight);
diff --git a/src/vdbe.c b/src/vdbe.c
index 495cec219..61b2e4e9e 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -2441,6 +2441,7 @@ case OP_NotNull: { /* same as TK_NOTNULL, jump, in1 */
*/
case OP_IfNullRow: { /* jump */
assert( pOp->p1>=0 && pOp->p1<p->nCursor );
+ assert( p->apCsr[pOp->p1]!=0 );
if( p->apCsr[pOp->p1]->nullRow ){
sqlite3VdbeMemSetNull(aMem + pOp->p3);
goto jump_to_p2;