Merge pull request #246 from Sakib25800/fix/add-pr-base-branch-index

Add PR repo status column database index

Author: Kobzol

.sqlx/query-3d4594e3ae0a433d15d3642d2e0af16c400ec665e610c9f5a9db5450d5f5bed7.json renamed to .sqlx/query-8df7a6cde441de1149c79aced1a596be30e273fef7f63bda3be4284ee600bf5c.json

@@ -0,0 +1,2 @@
+-- Add down migration script here
+DROP INDEX IF EXISTS pull_request_status_idx;

migrations/20250331142635_add_pr_status_index.down.sql

@@ -0,0 +1,2 @@
+-- Add up migration script here
+CREATE INDEX IF NOT EXISTS pull_request_status_idx ON pull_request (status);

migrations/20250331142635_add_pr_status_index.up.sql

@@ -163,9 +163,6 @@ pub(crate) async fn upsert_pull_request(
     .await
 }
 
-// FIXME:
-// 1) Add a database index on (repository, base_branch)
-// 2) Filter PRs by state (only update open PRs, once we have PR state tracking)
 pub(crate) async fn update_mergeable_states_by_base_branch(
     executor: impl PgExecutor<'_>,
     repo: &GithubRepoName,
@@ -177,7 +174,9 @@ pub(crate) async fn update_mergeable_states_by_base_branch(
             r#"
             UPDATE pull_request
             SET mergeable_state = $1
-            WHERE repository = $2 AND base_branch = $3
+            WHERE repository = $2
+            AND base_branch = $3
+            AND status IN ('open', 'draft')
             "#,
             mergeable_state as _,
             repo as &GithubRepoName,