From 12ae07874ed48ab3b8f43f8cbbfff869e26b24f1 Mon Sep 17 00:00:00 2001
From: jachewz <hewzhaoquan@gmail.com>
Date: Tue, 8 Apr 2025 23:23:08 +1000
Subject: [PATCH] fmt inf float str as "Inf"/"-Inf"

---
 core/types.rs       | 6 ++++++
 testing/select.test | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/core/types.rs b/core/types.rs
index 1556ee100..72119349f 100644
--- a/core/types.rs
+++ b/core/types.rs
@@ -197,6 +197,12 @@ impl Display for OwnedValue {
             }
             Self::Float(fl) => {
                 let fl = *fl;
+                if fl == f64::INFINITY {
+                    return write!(f, "Inf");
+                }
+                if fl == f64::NEG_INFINITY {
+                    return write!(f, "-Inf");
+                }
                 if fl.is_nan() {
                     return write!(f, "");
                 }
diff --git a/testing/select.test b/testing/select.test
index 27741aa54..02236159a 100755
--- a/testing/select.test
+++ b/testing/select.test
@@ -166,6 +166,14 @@ do_execsql_test select-like-expression {
     select 2 % 0.5
 } {}
 
+do_execsql_test select_positive_infinite_float {
+  SELECT 1.7976931348623157E+308 + 1e308; -- f64::MAX + 1e308
+} {Inf}
+
+do_execsql_test select_negative_infinite_float {
+  SELECT -1.7976931348623157E+308 - 1e308 -- f64::MIN - 1e308
+} {-Inf}
+
 do_execsql_test select_shl_large_negative_float {
     SELECT 1 << -1e19;
     SELECT 1 << -9223372036854775808;  -- i64::MIN