get_transformation_file: Get transformation function file

In rolap: Obtaining Star Databases from Flat Tables

Get transformation function file

Description

From the planned update, it obtains the function with the source code of the transformations performed on the original data in file format.

Usage

get_transformation_file(sdbu, file)

## S3 method for class 'star_database_update'
get_transformation_file(sdbu, file = NULL)

Arguments

sdbu	A star_database_update object.
file	A string, file name.

Value

A string, file name.

See Also

star_database

Other star database refresh functions: get_existing_fact_instances(), get_lookup_tables(), get_new_dimension_instances(), get_star_database(), get_star_schema(), get_transformation_code(), incremental_refresh(), update_according_to()

Examples

f1 <- flat_table('ft_num', ft_cause_rpd) |>
  as_star_database(mrs_cause_schema_rpd) |>
  replace_attribute_values(
    name = "When Available",
    old = c('1962', '11', '1962-03-14'),
    new = c('1962', '3', '1962-01-15')
  ) |>
  group_dimension_instances(name = "When")
f2 <- flat_table('ft_num2', ft_cause_rpd) |>
  update_according_to(f1)
file <- f2 |>
  get_transformation_file()

rolap documentation built on June 8, 2025, 10:23 a.m.