Remove the current context and close the corresponding connection to Teradata Vantage
Description
Use the td_remove_context function to remove an existing context created using the
td_create_context or the td_set_context or
dbConnect(tdplyr::NativeDriver(), ...) function.
This performs removal (garbage collection) of all non-persistent work tables created by the
analytic functions. This closes the corresponding connection object.
Note: If DBI::dbDisconnect is invoked on the connection object in the current context
before calling the td_remove_context function, then a warning is displayed and garbage
collection is not performed.
Usage
td_remove_context()
Value
Returns NULL invisibly
See Also
td_create_context, td_set_context, td_get_context,
dbConnect
Examples
# Example 1: Remove the connection that is established using td_create_context().
td_create_context(dsn = "TeradataDSN")
# The nonpersistent work tables are garbage collected and the connection is disconnected
td_remove_context()
# Example 2: Remove the connection that is established using td_set_context().
# Establish connection to Teradata Vantage using the dbConnect API
con <- DBI::dbConnect(odbc::odbc(), dsn = "TeradataDSN")
# Use td_set_context to initialize a context with a given connection object.
td_set_context(con = con)
td_remove_context()