From 99ffb71a49c5973fb3a5edf00b86973380fdb082 Mon Sep 17 00:00:00 2001
From: Noel Kwan <47273164+kwannoel@users.noreply.github.com>
Date: Thu, 2 Feb 2023 23:59:02 +0800
Subject: [PATCH] fix(sqlsmith): generation of ambiguous `IN` `list` expression
 (#7672)

Generate `InList` expression with parenthesis in the prefix argument to avoid ambiguity.

Approved-By: lmatz
---
 src/tests/sqlsmith/src/sql_gen/expr.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tests/sqlsmith/src/sql_gen/expr.rs b/src/tests/sqlsmith/src/sql_gen/expr.rs
index 671291bdfb0fc..19ab43463f378 100644
--- a/src/tests/sqlsmith/src/sql_gen/expr.rs
+++ b/src/tests/sqlsmith/src/sql_gen/expr.rs
@@ -58,7 +58,7 @@ impl<'a, R: Rng> SqlGenerator<'a, R> {
                     let (ty, expr) = self.gen_arbitrary_expr(context);
                     let n = self.rng.gen_range(1..=10);
                     Expr::InList {
-                        expr: Box::new(expr),
+                        expr: Box::new(Expr::Nested(Box::new(expr))),
                         list: self.gen_n_exprs_with_type(n, &ty, context),
                         negated: self.flip_coin(),
                     }