Populate db with grade level data

db/migrate/20230222000356_add_grades_to_respondent.rb

@@ -0,0 +1,18 @@
+class AddGradesToRespondent < ActiveRecord::Migration[7.0]
+  def change
+    add_column :respondents, :pk, :integer
+    add_column :respondents, :k, :integer
+    add_column :respondents, :one, :integer
+    add_column :respondents, :two, :integer
+    add_column :respondents, :three, :integer
+    add_column :respondents, :four, :integer
+    add_column :respondents, :five, :integer
+    add_column :respondents, :six, :integer
+    add_column :respondents, :seven, :integer
+    add_column :respondents, :eight, :integer
+    add_column :respondents, :nine, :integer
+    add_column :respondents, :ten, :integer
+    add_column :respondents, :eleven, :integer
+    add_column :respondents, :twelve, :integer
+  end
+end

db/migrate/20230222003823_add_unique_indexto_respondent.rb

@@ -0,0 +1,5 @@
+class AddUniqueIndextoRespondent < ActiveRecord::Migration[7.0]
+  def change
+    add_index :respondents, %i[school_id academic_year_id], unique: true
+  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[7.0].define(version: 2022_10_22_225523) do
+ActiveRecord::Schema[7.0].define(version: 2023_02_22_003823) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -329,7 +329,22 @@ ActiveRecord::Schema[7.0].define(version: 2022_10_22_225523) do
     t.float "total_teachers"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "pk"
+    t.integer "k"
+    t.integer "one"
+    t.integer "two"
+    t.integer "three"
+    t.integer "four"
+    t.integer "five"
+    t.integer "six"
+    t.integer "seven"
+    t.integer "eight"
+    t.integer "nine"
+    t.integer "ten"
+    t.integer "eleven"
+    t.integer "twelve"
     t.index ["academic_year_id"], name: "index_respondents_on_academic_year_id"
+    t.index ["school_id", "academic_year_id"], name: "index_respondents_on_school_id_and_academic_year_id", unique: true
     t.index ["school_id"], name: "index_respondents_on_school_id"
   end