From 19e4eefbca892a68a74407cfe40fb8d0f8435a6d Mon Sep 17 00:00:00 2001
From: dan <Dan Kennedy>
Date: Thu, 3 Jun 2021 18:56:42 +0000
Subject: Fix a case where combining row-value UPDATE FROM syntax with window
 functions over aggregates can cause an error.

FossilOrigin-Name: 4a587c3492faa99490fd67ca1de9fceafcdc12d220f42817791923be258b73f1
---
 src/expr.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/expr.c')

diff --git a/src/expr.c b/src/expr.c
index 77f049ab0..ad0fd9633 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -6005,6 +6005,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
         */
         struct AggInfo_func *pItem = pAggInfo->aFunc;
         for(i=0; i<pAggInfo->nFunc; i++, pItem++){
+          if( pItem->pFExpr==pExpr ) break;
           if( sqlite3ExprCompare(0, pItem->pFExpr, pExpr, -1)==0 ){
             break;
           }
-- 
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