text: const knex = appRequire('init/knex').knex;
  const tableName = 'saveFlow';
  
  const createTable = async () => {
    const exist = await knex.schema.hasTable(tableName);
    if(exist) {
      await knex.schema.table(tableName, function(table) {
        table.index('id');
        table.index('accountId');
      });
      const hasColumnAccountId = await knex.schema.hasColumn(tableName, 'accountId');
      if(!hasColumnAccountId) {
        await knex.schema.table(tableName, function(table) {
          table.integer('accountId').defaultTo(0);
        });
      }
      return;
    }
    return knex.schema.createTable(tableName, function(table) {
      table.integer('id');
      table.integer('accountId').defaultTo(0);
      table.integer('port');
      table.bigInteger('flow');
      table.bigInteger('time');
      table.index(['time', 'port'], 'index');
      table.index('id');
      table.index('accountId');
    });
  };
  
  exports.createTable = createTable;
  