Respect 'ignore_tables' in SQLite structure dump

activerecord/lib/active_record/tasks/sqlite_database_tasks.rb

@@ -38,7 +38,16 @@ module ActiveRecord
       def structure_dump(filename, extra_flags)
         dbfile = configuration["database"]
         flags = extra_flags.join(" ") if extra_flags
-        `sqlite3 #{flags} #{dbfile} .schema > #{filename}`
+
+        ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
+        if ignore_tables.any?
+          tables = `sqlite3 #{dbfile} .tables`.split - ignore_tables
+          condition = tables.map { |table| "tbl_name = '#{table}'" }.join(" OR ")
+          statement = "SELECT sql FROM sqlite_master WHERE #{condition} ORDER BY tbl_name, type DESC, name"
+          `sqlite3 #{flags} #{dbfile} "#{statement}" > #{filename}`
+        else
+          `sqlite3 #{flags} #{dbfile} .schema > #{filename}`
+        end
       end
 
       def structure_load(filename, extra_flags)

activerecord/test/cases/tasks/sqlite_rake_test.rb

@@ -180,6 +180,9 @@ if current_adapter?(:SQLite3Adapter)
           "adapter"  => "sqlite3",
           "database" => @database
         }
+
+        `sqlite3 #{@database} 'CREATE TABLE bar(id INTEGER)'`
+        `sqlite3 #{@database} 'CREATE TABLE foo(id INTEGER)'`
       end
 
       def test_structure_dump
@@ -189,6 +192,23 @@ if current_adapter?(:SQLite3Adapter)
         ActiveRecord::Tasks::DatabaseTasks.structure_dump @configuration, filename, "/rails/root"
         assert File.exist?(dbfile)
         assert File.exist?(filename)
+        assert_match(/CREATE TABLE foo/, File.read(filename))
+        assert_match(/CREATE TABLE bar/, File.read(filename))
+      ensure
+        FileUtils.rm_f(filename)
+        FileUtils.rm_f(dbfile)
+      end
+
+      def test_structure_dump_with_ignore_tables
+        dbfile   = @database
+        filename = "awesome-file.sql"
+        ActiveRecord::SchemaDumper.expects(:ignore_tables).returns(["foo"])
+
+        ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename, "/rails/root")
+        assert File.exist?(dbfile)
+        assert File.exist?(filename)
+        assert_match(/bar/, File.read(filename))
+        assert_no_match(/foo/, File.read(filename))
       ensure
         FileUtils.rm_f(filename)
         FileUtils.rm_f(dbfile)