Read contents from local database
Arguments
- db_connection
Defaults to NULL. If NULL, uses local SQLite database. If given, must be a connection object or a list with relevant connection settings (see example).
- ...
Passed to
cas_get_db_file()
.
Value
A data frame with three columns and data stored in the contents_id
table of the local database. The data frame has zero rows if the database
does not exist or no data was previously stored there.
Examples
cas_set_options(
base_folder = fs::path(tempdir(), "R", "castarter_data"),
db_folder = fs::path(tempdir(), "R", "castarter_data"),
project = "example_project",
website = "example_website"
)
cas_enable_db()
urls_df <- cas_build_urls(
url = "https://www.example.com/news/",
start_page = 1,
end_page = 10
)
cas_write_db_contents(urls = urls_df)
#> Error in cas_write_db_contents(urls = urls_df): could not find function "cas_write_db_contents"
cas_read_db_contents_id()
#> ℹ Folder /tmp/Rtmp1QODEK/R/castarter_data for storing project and website files
#> created.
#> # A tibble: 0 × 5
#> # ℹ 5 variables: id <dbl>, url <chr>, link_text <chr>, source_index_id <dbl>,
#> # source_index_batch <dbl>