Merge the latest trunk enhancements and fixes into the sessions branch.

FossilOrigin-Name: 4e5f17d189eb0578a544c21fc150f9e2ee3428e3

1 files changed, 2 insertions, 2 deletions

diff --git a/src/resolve.c b/src/resolve.c
index 32e0a98fd..b75db42ef 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -79,7 +79,7 @@ static void incrAggFunctionDepth(Expr *pExpr, int N){
 **     SELECT a+b, c+d FROM t1 ORDER BY (a+b) COLLATE nocase;
 **
 ** The nSubquery parameter specifies how many levels of subquery the
-** alias is removed from the original expression.  The usually value is
+** alias is removed from the original expression.  The usual value is
 ** zero but it might be more if the alias is contained within a subquery
 ** of the original expression.  The Expr.op2 field of TK_AGG_FUNCTION
 ** structures must be increased by the nSubquery amount.
@@ -99,7 +99,7 @@ static void resolveAlias(
   assert( iCol>=0 && iCol<pEList->nExpr );
   pOrig = pEList->a[iCol].pExpr;
   assert( pOrig!=0 );
-  assert( pOrig->flags & EP_Resolved );
+  assert( (pOrig->flags & EP_Resolved)!=0 || zType[0]==0 );
   db = pParse->db;
   pDup = sqlite3ExprDup(db, pOrig, 0);
   if( pDup==0 ) return;