From 2063f327b074107ec2c2854ae787e916f58fd2f3 Mon Sep 17 00:00:00 2001
From: Andrew Lamb <andrew@nerdnetworks.org>
Date: Sun, 24 Apr 2022 06:37:57 -0400
Subject: [PATCH] Add negative test for IN parsing

---
 tests/sqlparser_common.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/sqlparser_common.rs b/tests/sqlparser_common.rs
index 3d7b20e94..5d2597430 100644
--- a/tests/sqlparser_common.rs
+++ b/tests/sqlparser_common.rs
@@ -951,6 +951,17 @@ fn parse_in_unnest() {
     chk(true);
 }
 
+#[test]
+fn parse_in_error() {
+    // <expr> IN <expr> is no valid
+    let sql = "SELECT * FROM customers WHERE segment in segment";
+    let res = parse_sql_statements(sql);
+    assert_eq!(
+        ParserError::ParserError("Expected (, found: segment".to_string()),
+        res.unwrap_err()
+    );
+}
+
 #[test]
 fn parse_string_agg() {
     let sql = "SELECT a || b";