Add configuration for table name

README.md

@@ -115,6 +115,7 @@ You can override this setting in `config/initializers/data_migrate.rb`
 
 ```ruby
 DataMigrate.configure do |config|
+  config.data_migrations_table_name = 'my_migrations_database_name'
   config.data_migrations_path = 'db/awesomepath/'
   config.data_template_path = Rails.root.join("lib", "awesomepath", "custom_data_migration.rb")
   config.db_configuration = {

lib/data_migrate/config.rb

@@ -12,11 +12,12 @@ def config
   end
 
   class Config
-    attr_accessor :data_migrations_path, :data_template_path, :db_configuration, :spec_name
+    attr_accessor :data_migrations_table_name, :data_migrations_path, :data_template_path, :db_configuration, :spec_name
 
     DEFAULT_DATA_TEMPLATE_PATH = "data_migration.rb"
 
     def initialize
+      @data_migrations_table_name = "data_migrations"
       @data_migrations_path = "db/data/"
       @data_template_path = DEFAULT_DATA_TEMPLATE_PATH
       @db_configuration = nil

lib/data_migrate/data_schema_migration.rb

@@ -4,7 +4,7 @@ class DataSchemaMigration < ActiveRecord::SchemaMigration
     # So we only load the appropriate methods depending on Rails version.
     if DataMigrate::RailsHelper.rails_version_equal_to_or_higher_than_7_1
       def table_name
-        ActiveRecord::Base.table_name_prefix + 'data_migrations' + ActiveRecord::Base.table_name_suffix
+        ActiveRecord::Base.table_name_prefix + DataMigrate.config.data_migrations_table_name + ActiveRecord::Base.table_name_suffix
       end
 
       def primary_key
@@ -13,7 +13,7 @@ def primary_key
     else
       class << self
         def table_name
-          ActiveRecord::Base.table_name_prefix + 'data_migrations' + ActiveRecord::Base.table_name_suffix
+          ActiveRecord::Base.table_name_prefix + DataMigrate.config.data_migrations_table_name + ActiveRecord::Base.table_name_suffix
         end
 
         def primary_key

spec/data_migrate/data_schema_migration_spec.rb

@@ -9,6 +9,27 @@
       it "returns correct table name" do
         expect(subject.table_name).to eq("data_migrations")
       end
+
+      describe "when data migrations table name configured" do
+        let(:data_migrations_table_name) { "my_app_data_template_migrations"}
+
+        before do
+          @before = DataMigrate.config.data_migrations_table_name
+          DataMigrate.configure do |config|
+            config.data_migrations_table_name = data_migrations_table_name
+          end
+        end
+
+        after do
+          DataMigrate.configure do |config|
+            config.data_migrations_table_name = @before
+          end
+        end
+
+        it "returns correct table name" do
+          expect(subject.table_name).to eq(data_migrations_table_name)
+        end
+      end
     end
 
     describe :index_name do
@@ -22,6 +43,27 @@
       it "returns correct table name" do
         expect(subject.table_name).to eq("data_migrations")
       end
+
+      describe "when data migrations table name configured" do
+        let(:data_migrations_table_name) { "my_app_data_template_migrations"}
+
+        before do
+          @before = DataMigrate.config.data_migrations_table_name
+          DataMigrate.configure do |config|
+            config.data_migrations_table_name = data_migrations_table_name
+          end
+        end
+
+        after do
+          DataMigrate.configure do |config|
+            config.data_migrations_table_name = @before
+          end
+        end
+
+        it "returns correct table name" do
+          expect(subject.table_name).to eq(data_migrations_table_name)
+        end
+      end
     end
 
     describe :index_name do