From 8360d48296ecf62dee8bb322f1b94c11345d01cb Mon Sep 17 00:00:00 2001
From: Austin Bonander <austin.bonander@gmail.com>
Date: Thu, 15 Aug 2024 15:09:32 -0700
Subject: [PATCH] fix: audit `sqlx_postgres::types::chrono` for overflowing
 casts

---
 sqlx-postgres/src/types/chrono/date.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sqlx-postgres/src/types/chrono/date.rs b/sqlx-postgres/src/types/chrono/date.rs
index 475f41f4..5fc0a8f0 100644
--- a/sqlx-postgres/src/types/chrono/date.rs
+++ b/sqlx-postgres/src/types/chrono/date.rs
@@ -23,7 +23,11 @@ impl PgHasArrayType for NaiveDate {
 impl Encode<'_, Postgres> for NaiveDate {
     fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> Result<IsNull, BoxDynError> {
         // DATE is encoded as the days since epoch
-        let days = (*self - postgres_epoch_date()).num_days() as i32;
+        let days: i32 = (*self - postgres_epoch_date())
+            .num_days()
+            .try_into()
+            .map_err(|_| format!("value {self:?} would overflow binary encoding for Postgres DATE"))?;
+
         Encode::<Postgres>::encode(days, buf)
     }