From 2c4619bc78368b8f7ae74631f2b686692ef34903 Mon Sep 17 00:00:00 2001
From: tsushanth <78000697+tsushanth@users.noreply.github.com>
Date: Tue, 11 Aug 2026 22:17:09 -0700
Subject: [PATCH] fix: Missing sqlc.arg in SQL UPDATE query with EXISTS
 subquery

---
 internal/engine/dolphin/convert.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/internal/engine/dolphin/convert.go b/internal/engine/dolphin/convert.go
index cfd83b5c4d..6c761802e4 100644
--- a/internal/engine/dolphin/convert.go
+++ b/internal/engine/dolphin/convert.go
@@ -1556,6 +1556,12 @@ func (c *cc) convertTruncateTableStmt(n *pcast.TruncateTableStmt) *ast.TruncateS
 }
 
 func (c *cc) convertUnaryOperationExpr(n *pcast.UnaryOperationExpr) ast.Node {
+	if n.Op == opcode.Not || n.Op == opcode.Not2 {
+		return &ast.BoolExpr{
+			Boolop: ast.BoolExprTypeNot,
+			Args:   &ast.List{Items: []ast.Node{c.convert(n.V)}},
+		}
+	}
 	return todo(n)
 }