Creates a local mock SQL database from package test data for demonstration purposes. No internet connection required.
See also
Other database:
count_db_ids(),
db_create(),
db_delete(),
db_download(),
is_in_db(),
list_db_ids()
Examples
library(restez)
# set the restez path to a temporary dir
restez_path_set(filepath = tempdir())
#> ... Creating '/tmp/RtmpWQaZTT/restez'
#> ... Creating '/tmp/RtmpWQaZTT/restez/downloads'
# create demo database
demo_db_create(n = 5)
#> duckdb keeps downloaded extensions and secrets in a temporary directory:
#> ℹ /tmp/RtmpWQaZTT/duckdb
#> This is removed when the R session ends.
#> • Extensions are re-downloaded each session.
#> • Secrets are lost.
#> ℹ Run duckdb(shared_home = TRUE) (or create ~/.duckdb) to keep them (suitable for most users).
#> ℹ Run duckdb(shared_home = FALSE) to accept the temporary directory (and silence this message).
#> ℹ See ?duckdb_storage for details and alternatives.
# in the demo, IDs are 'demo_1', 'demo_2' ...
(gb_sequence_get(id = 'demo_1'))
#> duckdb keeps downloaded extensions and secrets in a temporary directory:
#> ℹ /tmp/RtmpWQaZTT/duckdb
#> This is removed when the R session ends.
#> • Extensions are re-downloaded each session.
#> • Secrets are lost.
#> ℹ Run duckdb(shared_home = TRUE) (or create ~/.duckdb) to keep them (suitable for most users).
#> ℹ Run duckdb(shared_home = FALSE) to accept the temporary directory (and silence this message).
#> ℹ See ?duckdb_storage for details and alternatives.
#> demo_1
#> "ATTTAACTAT"
# Delete a demo database after an example
db_delete(everything = TRUE)
