whole_func_string: function underscore(baseQuery) {
    return _.mapKeys(baseQuery, function(v, k) {
      return tableColumnRenamer.underscore(k)
    })
  }
func_code_string: function underscore(baseQuery) {
    return _.mapKeys(baseQuery, function(v, k) {
      return tableColumnRenamer.underscore(k)
    })
  }
func_documentation_string: Returns a map with baseQuery's keys converted to underscore_case.