Delete master variants

(cherry picked from commit b59bdc75e9)

db/migrate/20230605133804_remove_master_variants.rb

@@ -0,0 +1,40 @@
+class RemoveMasterVariants < ActiveRecord::Migration[7.0]
+  def change
+    if ActiveRecord::Base.connection.table_exists? "spree_option_values_variants"
+      delete_master_option_values
+    end
+
+    delete_master_variant_prices
+    delete_master_variants
+  end
+
+  private
+
+  def delete_master_option_values
+    ActiveRecord::Base.connection.execute(<<-SQL
+      DELETE FROM spree_option_values_variants
+      USING spree_variants
+      WHERE spree_variants.is_master = true
+        AND spree_variants.id = spree_option_values_variants.variant_id
+    SQL
+    )
+  end
+
+  def delete_master_variant_prices
+    ActiveRecord::Base.connection.execute(<<-SQL
+      DELETE FROM spree_prices
+      USING spree_variants
+      WHERE spree_variants.is_master = true
+        AND spree_variants.id = spree_prices.variant_id
+    SQL
+    )
+  end
+
+  def delete_master_variants
+    ActiveRecord::Base.connection.execute(<<-SQL
+      DELETE FROM spree_variants
+      WHERE is_master = true
+    SQL
+    )
+  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: 2023_06_03_181837) do
+ActiveRecord::Schema[7.0].define(version: 2023_06_05_133804) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
   enable_extension "plpgsql"