feat: add indexes on followers/following fields

will use them for proper address expansion soon™️

upub/migrations/src/lib.rs

@@ -12,6 +12,7 @@ mod m20240607_000001_activity_ref_is_optional;
 mod m20240609_000001_add_instance_field_to_relations;
 mod m20240623_000001_add_dislikes_table;
 mod m20240626_000001_add_notifications_table;
+mod m20240628_000001_add_followers_following_indexes;
 
 pub struct Migrator;
 
@@ -31,6 +32,7 @@ impl MigratorTrait for Migrator {
 			Box::new(m20240609_000001_add_instance_field_to_relations::Migration),
 			Box::new(m20240623_000001_add_dislikes_table::Migration),
 			Box::new(m20240626_000001_add_notifications_table::Migration),
+			Box::new(m20240628_000001_add_followers_following_indexes::Migration),
 		]
 	}
 }

upub/migrations/src/m20240628_000001_add_followers_following_indexes.rs

@@ -0,0 +1,45 @@
+use sea_orm_migration::prelude::*;
+
+use crate::m20240524_000001_create_actor_activity_object_tables::Actors;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+	async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+		manager
+			.create_index(
+				Index::create()
+					.name("index-actors-followers")
+					.table(Actors::Table)
+					.col(Actors::Followers)
+					.to_owned()
+				)
+			.await?;
+
+		manager
+			.create_index(
+				Index::create()
+					.name("index-actors-following")
+					.table(Actors::Table)
+					.col(Actors::Following)
+					.to_owned()
+				)
+			.await?;
+
+		Ok(())
+	}
+
+	async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+		manager
+			.drop_index(Index::drop().name("index-actors-followers").table(Actors::Table).to_owned())
+			.await?;
+
+		manager
+			.drop_index(Index::drop().name("index-actors-following").table(Actors::Table).to_owned())
+			.await?;
+
+		Ok(())
+	}
+}