Easily Access and Maintain Time-Based Versioned Data
(Slowly-Changing-Dimension)
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Documentation for package ‘SCDB’ version 0.3
Help Pages
| %notin% | not-in operator |
| anti_join.tbl_sql | SQL Joins |
| close_connection | Close connection to the DB |
| create_logs_if_missing | Create a table with the SCDB log structure if it does not exists |
| create_table | Create a historical table from input data |
| db_timestamp | Determine the type of timestamps the DB supports |
| db_timestamp.default | Determine the type of timestamps the DB supports |
| db_timestamp.SQLiteConnection | Determine the type of timestamps the DB supports |
| digest_to_checksum | Computes an MD5 checksum from columns |
| filter_keys | Filters .data according to all records in the filter |
| full_join.tbl_sql | SQL Joins |
| get_connection | Opens connection to the database |
| get_schema | Get the current schema of a database-related objects |
| get_table | Gets a named table from a given schema |
| get_tables | Gets the available tables |
| id | Convenience function for DBI::Id |
| inner_join.tbl_sql | SQL Joins |
| interlace_sql | Combine any number of SQL queries, where each has their own time axis of validity (valid_from and valid_until) |
| is.historical | Checks if table contains historical data |
| joins | SQL Joins |
| left_join.tbl_sql | SQL Joins |
| Logger | Logger |
| nrow | nrow() but also works on remote tables |
| right_join.tbl_sql | SQL Joins |
| schema_exists | Test if a schema exists in given connection |
| semi_join.tbl_sql | SQL Joins |
| slice_time | Slices a data object based on time / date |
| table_exists | Test if a table exists in database |
| table_exists.DBIConnection | Test if a table exists in database |
| table_exists.SQLiteConnection | Test if a table exists in database |
| unite.tbl_dbi | tidyr::unite for tbl_dbi |
| update_snapshot | Update a historical table |