From 856d32c448a87245234315462d2190c5a9aab549 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Tue, 3 May 2022 10:05:28 +0300
Subject: feat! only store signed 64-bit plain integers in database

This is a breaking change, but allows to store the largest signed
64-bit integers in SQLite and get it back.

Sponsored-by: author
---
 src/db.rs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/db.rs b/src/db.rs
index ab638a9..46ba16a 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -354,7 +354,7 @@ impl Column {
 }
 
 /// Type of plain integers that can be stored.
-pub type DbInt = u64;
+pub type DbInt = i64;
 
 /// A value in a named column.
 #[derive(Debug)]
@@ -631,4 +631,17 @@ mod test {
         }
         assert_eq!(values, expected);
     }
+
+    #[test]
+    fn round_trips_int_max() {
+        let tmp = tempdir().unwrap();
+        let filename = tmp.path().join("test.db");
+        let mut db = create_db(&filename);
+        insert(&mut db, DbInt::MAX);
+        db.close().unwrap();
+
+        let db = open_db(&filename);
+        let values = values(db);
+        assert_eq!(values, vec![DbInt::MAX]);
+    }
 }
-- 
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