feat: remove unused column from applied_policy table (#163)

Author: john-cremit

crates/nebula-backbone/src/database/workspace_migration/m20241206_001_remove_unused_column_applied_policy_table.rs

@@ -0,0 +1,34 @@
+use async_trait::async_trait;
+use sea_orm_migration::{prelude::*, schema::*};
+
+#[derive(DeriveIden)]
+pub enum AppliedPolicy {
+    Table,
+    Type,
+}
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(Table::alter().table(AppliedPolicy::Table).drop_column(AppliedPolicy::Type).to_owned())
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(AppliedPolicy::Table)
+                    .add_column_if_not_exists(string_len(AppliedPolicy::Type, 50))
+                    .to_owned(),
+            )
+            .await?;
+        Ok(())
+    }
+}

crates/nebula-backbone/src/database/workspace_migration/mod.rs

@@ -7,6 +7,7 @@ use super::{workspace, AuthMethod};
 
 mod m20241126_001_init_backbone;
 mod m20241128_001_create_authority_table;
+mod m20241206_001_remove_unused_column_applied_policy_table;
 
 pub struct Migrator;
 
@@ -16,6 +17,7 @@ impl MigratorTrait for Migrator {
         vec![
             Box::new(m20241126_001_init_backbone::Migration),
             Box::new(m20241128_001_create_authority_table::Migration),
+            Box::new(m20241206_001_remove_unused_column_applied_policy_table::Migration),
         ]
     }
 }