Fix another problem with ALTER TABLE and vector UPDATE statements within triggers.

FossilOrigin-Name: a0df216f7c3f8963efba0b1ffee65d6a63309d846ffdcf2d2932cb4f1d4967b7

1 files changed, 9 insertions, 5 deletions

diff --git a/src/expr.c b/src/expr.c
index 3e60cf712..d121fbfd2 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -516,12 +516,16 @@ Expr *sqlite3ExprForVectorField(
       pRet->pLeft = pVector;
     }
   }else{
-    if( pVector->op==TK_VECTOR ) pVector = pVector->x.pList->a[iField].pExpr;
-    pRet = sqlite3ExprDup(pParse->db, pVector, 0);
-    if( pRet && IN_RENAME_OBJECT ){
-      SWAP(Expr, *pRet, *pVector);
-      sqlite3RenameTokenRemap(pParse, pRet, pVector);
+    if( pVector->op==TK_VECTOR ){
+      Expr **ppVector = &pVector->x.pList->a[iField].pExpr;
+      pVector = *ppVector;
+      if( IN_RENAME_OBJECT ){
+        /* This must be a vector UPDATE inside a trigger */
+        *ppVector = 0;
+        return pVector;
+      }
     }
+    pRet = sqlite3ExprDup(pParse->db, pVector, 0);
   }
   return pRet;
 }