remove_cnt: Remove content from the connector

In connector: Streamlining Data Access in Clinical Research

Remove content from the connector

Description

Generic implementing of how to remove content from different connectors:

• ConnectorDBI: Uses DBI::dbRemoveTable() to remove the table from a DBI connection.

• ConnectorFS: Uses fs::file_delete() to delete the file.

Usage

remove_cnt(connector_object, name, ...)

## S3 method for class 'ConnectorDBI'
remove_cnt(connector_object, name, ...)

## S3 method for class 'ConnectorFS'
remove_cnt(connector_object, name, ...)

Arguments

connector_object	Connector The connector object to use.
name	character Name of the content to read, write, or remove. Typically the table name.
...	Additional arguments passed to the method for the individual connector.

Value

invisible connector_object.

Examples

# Remove table in a DBI database
cnt <- connector_dbi(RSQLite::SQLite())

cnt |>
  write_cnt(iris, "iris") |>
  list_content_cnt()

cnt |>
  remove_cnt("iris") |>
  list_content_cnt()

# Remove a file from the file storage

folder <- withr::local_tempdir()
cnt <- connector_fs(folder)

cnt |>
  write_cnt("this is an example", "example.txt")
cnt |>
  list_content_cnt(pattern = "example.txt")

cnt |>
  read_cnt("example.txt")

cnt |>
  remove_cnt("example.txt")

cnt |>
  list_content_cnt(pattern = "example.txt")

connector documentation built on June 8, 2025, 11:36 a.m.