From 9839ebe4deaa58fa2a3924817b353286c61b0a0b Mon Sep 17 00:00:00 2001
From: Ruben Rosario <rubenrosario@dev.local>
Date: Sun, 21 Jun 2026 16:09:05 +0100
Subject: [PATCH] Fix ALTER TABLE migration for created_at column

SQLite ALTER TABLE ADD COLUMN does not support DEFAULT expressions,
only literal values. Use DEFAULT '' then UPDATE existing rows.
---
 src/infrastructure/db.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/infrastructure/db.rs b/src/infrastructure/db.rs
index 745283d..6c4ab7c 100644
--- a/src/infrastructure/db.rs
+++ b/src/infrastructure/db.rs
@@ -47,7 +47,11 @@ impl Db {
         )
         .ok();
         conn.execute_batch(
-            "ALTER TABLE tasks ADD COLUMN created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%d %H:%M:%S', 'now'));",
+            "ALTER TABLE tasks ADD COLUMN created_at TEXT NOT NULL DEFAULT '';",
+        )
+        .ok();
+        conn.execute_batch(
+            "UPDATE tasks SET created_at = updated_at WHERE created_at = '';",
         )
         .ok();
         Ok(Self { conn: Mutex::new(conn) })