EDM-653/lcpe cache migrations (#1315)

* Migrations

* schema

db/migrate/20250217143034_create_lcpe_preload_datasets.rb

@@ -0,0 +1,10 @@
+class CreateLcpePreloadDatasets < ActiveRecord::Migration[7.1]
+  def change
+    create_table :lcpe_preload_datasets do |t|
+      t.text :body
+      t.string :subject_class
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20250217143740_rename_blob_on_upload.rb

@@ -0,0 +1,6 @@
+class RenameBlobOnUpload < ActiveRecord::Migration[7.1]
+  def change
+    safety_assured { remove_column :uploads, :blob }
+    add_column :uploads, :body, :text 
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2025_02_03_183542) do
+ActiveRecord::Schema[7.1].define(version: 2025_02_17_143740) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "cube"
   enable_extension "earthdistance"
@@ -1438,6 +1438,13 @@
     t.string "state"
   end
 
+  create_table "lcpe_preload_datasets", force: :cascade do |t|
+    t.text "body"
+    t.string "subject_class"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "mous", id: :serial, force: :cascade do |t|
     t.string "ope", null: false
     t.string "ope6", null: false
@@ -1752,10 +1759,10 @@
     t.datetime "updated_at", precision: nil, null: false
     t.datetime "completed_at", precision: nil
     t.boolean "multiple_file_upload", default: false
-    t.string "blob"
     t.string "status_message"
     t.datetime "queued_at", precision: nil
     t.datetime "canceled_at", precision: nil
+    t.text "body"
     t.index ["csv_type"], name: "index_uploads_on_csv_type"
     t.index ["updated_at"], name: "index_uploads_on_updated_at"
     t.index ["user_id"], name: "index_uploads_on_user_id"