Updated the inserting of events into the DB (#162)

* SQL update * made event task_id unique
cs-24-sw-8-04 · May 8, 2024 · 6466ca6 · 6466ca6
1 parent 45e196b
commit 6466ca6
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/backend/migrations/0002_create_events_table.sql b/backend/migrations/0002_create_events_table.sql
@@ -2,5 +2,6 @@ CREATE TABLE Events(
   id INTEGER PRIMARY KEY NOT NULL,
   task_id INTEGER NOT NULL
     REFERENCES Tasks(id) ON DELETE CASCADE,
-  start_time DATETIME NOT NULL
+  start_time DATETIME NOT NULL,
+  UNIQUE(task_id)
 );
diff --git a/backend/src/scheduling/background_service.rs b/backend/src/scheduling/background_service.rs
@@ -122,7 +122,7 @@ async fn run_algorithm(pool: &SqlitePool, algorithm: &mut impl SchedulerAlgorith
     for event in events {
         sqlx::query!(
             r#"
-            INSERT INTO Events (task_id, start_time)
+            INSERT OR REPLACE INTO Events (task_id, start_time)
             VALUES ((SELECT id FROM Tasks WHERE id == ? LIMIT 1), ?)
             "#,
             event.task_id,