From 8352a09117f9d0f40204ca1fc4b191d800d1cb77 Mon Sep 17 00:00:00 2001
From: zc he <blindfs19@gmail.com>
Date: Sat, 10 May 2025 16:28:18 +0800
Subject: [PATCH] fix: inefficient select with large row number (#15730)

Fixes #15716

# Description

Returns None early if the input iterator is depleted.

# User-Facing Changes

Should be none

# Tests + Formatting

+1

# After Submitting
---
 crates/nu-command/src/filters/select.rs    | 2 +-
 crates/nu-command/tests/commands/select.rs | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/crates/nu-command/src/filters/select.rs b/crates/nu-command/src/filters/select.rs
index b324a7e771..dec54a4968 100644
--- a/crates/nu-command/src/filters/select.rs
+++ b/crates/nu-command/src/filters/select.rs
@@ -310,7 +310,7 @@ impl Iterator for NthIterator {
                     return self.input.next();
                 } else {
                     self.current += 1;
-                    let _ = self.input.next();
+                    let _ = self.input.next()?;
                     continue;
                 }
             } else {
diff --git a/crates/nu-command/tests/commands/select.rs b/crates/nu-command/tests/commands/select.rs
index 534943767f..0b949792b8 100644
--- a/crates/nu-command/tests/commands/select.rs
+++ b/crates/nu-command/tests/commands/select.rs
@@ -134,6 +134,12 @@ fn selects_a_row() {
     });
 }
 
+#[test]
+fn selects_large_row_number() {
+    let actual = nu!("seq 1 5 | select 9999999999 | to nuon");
+    assert_eq!(actual.out, "[]");
+}
+
 #[test]
 fn selects_many_rows() {
     Playground::setup("select_test_2", |dirs, sandbox| {