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rolap (development version)

rolap 2.5.1

  • Include scd structure for star database.
  • New test data for scd.
  • Modify the cph field of the description.

rolap 2.5.0

  • Geographic information query functions: as_geolayer(), get_layer(), get_variables(), set_variables(), as_GeoPackage().
  • Functions to define geoattributes: define_geoattribute(), check_geoattribute_geometry(), get_geoattributes(), get_geoattribute_geometries().
  • Geographic information processing functions: coordinates_to_point(), get_layer_geometry(), summarize_layer(), get_point_geometry().

rolap 2.4.0

  • Functions to query a star database: star_query(), select_fact(), select_dimension(), filter_dimension() and run_query().
  • Functions to deploy a star database in one or more relational databases: deploy(), cancel_deployment(), get_deployment_names(), load_star_database().
  • New functions: get_star_database(), as_rdb(), draw_tables().
  • Vignette about star database deployment process.
  • Vignette about star database export features.
  • Vignette about multidimensional queries.
  • Include new items in the README file.
  • US census flat table dataset.
  • Fix snake_case() register refresh operation for constellation case.
  • Fix constellation() refresh structure integration.

rolap 2.3.0

  • Change star database list as parameter in constellation() function.
  • Fix replace_empty_values() with spaces at the beginning or end of non-empty strings.
  • Star databases data incremental refresh functionality: update_according_to(), get_transformation_code(), get_new_dimension_instances() and incremental_refresh() among other functions.
  • Vignette about star databases incremental refresh.
  • Fix new problem building macos-latest (release) with input functions from file or database in vignettes.

rolap 2.2.0

  • Vignette about obtaining and transforming flat tables.
  • Definition of flat_table class with functions to transform an integrate data.
  • Vignette about integration of dimension instances.
  • Functions to query and modify instances of dimensions.
  • Definition of a common data model for star databases and constellations.
  • Vignette about md and rolap packages.

rolap 2.1.0

  • Definition of role-playing and role dimensions (with explanatory vignette): role_playing_dimension() and get_role_playing_dimension_names() functions.
  • New functions to query and rename attributes in dimensions and measures in facts: get_attribute_names(), set_attribute_names(), get_measure_names() and set_measure_names().
  • Include detailed validation error messages.

rolap 2.0.0

  • New version from the experience in the starschemar package.
  • Initial functionality for defining star databases and constellations.
  • Export of the data model to RDBMS.