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Get star database

Source: R/generic.R, R/refresh.R, R/star_database.R
get_star_database.Rd

It obtains the star database: For updates, the one defined from the data; for constellations, the one indicated by the parameter.

Usage

get_star_database(db, name)

# S3 method for star_database_update
get_star_database(db, name = NULL)

# S3 method for star_database
get_star_database(db, name)

Arguments

db

A star_database_update object.

name

A string, star database name (fact name).

Value

A star_database object.

See also

star_database

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

Examples


f1 <- flat_table('ft_num', ft_cause_rpd) |>
  as_star_database(mrs_cause_schema_rpd)
f2 <- flat_table('ft_num2', ft_cause_rpd) |>
  update_according_to(f1)
st <- f2 |>
  get_star_database()

db1 <- star_database(mrs_cause_schema, ft_num) |>
  snake_case()
db2 <- star_database(mrs_age_schema, ft_age) |>
  snake_case()
ct <- constellation("MRS", db1, db2)
names <- ct |>
  get_fact_names()
st <- ct |>
  get_star_database(names[1])