# File lib/database_cleaner/active_record/truncation.rb, line 113 def cascade @cascade ||= db_version >= 80200 ? 'CASCADE' : '' end
# File lib/database_cleaner/active_record/truncation.rb, line 109 def db_version @db_version ||= postgresql_version end
# File lib/database_cleaner/active_record/truncation.rb, line 130 def pre_count_truncate_tables(tables, options = {:reset_ids => true}) filter = options[:reset_ids] ? method(:has_been_used?) : method(:has_rows?) truncate_tables(tables.select(&filter)) end
# File lib/database_cleaner/active_record/truncation.rb, line 117 def restart_identity @restart_identity ||= db_version >= 80400 ? 'RESTART IDENTITY' : '' end
# File lib/database_cleaner/active_record/truncation.rb, line 121 def truncate_table(table_name) truncate_tables([table_name]) end
# File lib/database_cleaner/active_record/truncation.rb, line 125 def truncate_tables(table_names) return if table_names.nil? || table_names.empty? execute("TRUNCATE TABLE #{table_names.map{|name| quote_table_name(name)}.join(', ')} #{restart_identity} #{cascade};") end
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