code: function selectDeleted (model) {
      // get id column
      var idColumn = quoteName(model.columnName('id'))
      // wrap column in HEX if binary ids enabled
      idColumn = model.binaryIds ? `HEX(${idColumn})` : idColumn
      // build sql
      return `SELECT LOWER(${idColumn}) AS id FROM ${model.name}Delete`
  }
docs: @function selectDeleted
  
  generate sql to select deleted record ids
  
  @param {ImmutableCoreModel} model
  
  @returns {string}