Assign the result of the evaluation of an expression to a symbol the DataSHIELD R session The assignment expression must satisfy the data repository's DataSHIELD configuration.
Arguments
- conn
An object that inherits from
DSConnection-class.- symbol
Name of the R symbol.
- expr
A R expression with allowed assign functions calls.
- async
Whether the result of the call should be retrieved asynchronously. When TRUE (default) the calls are parallelized over the connections, when the connection supports that feature, with an extra overhead of requests.
Value
An object of class DSResult-class representing the result of the assignment operation.
See also
Other DSConnection generics:
DSConnection-class,
dsAggregate(),
dsAssignResource(),
dsAssignTable(),
dsDisconnect(),
dsGetInfo(),
dsHasResource(),
dsHasSession(),
dsHasTable(),
dsIsAsync(),
dsKeepAlive(),
dsListMethods(),
dsListPackages(),
dsListProfiles(),
dsListResources(),
dsListSymbols(),
dsListTables(),
dsListWorkspaces(),
dsRestoreWorkspace(),
dsRmSymbol(),
dsRmWorkspace(),
dsSaveWorkspace(),
dsSession()
Examples
if (FALSE) { # \dontrun{
con <- dsConnect(DSOpal::Opal(), "server1",
username = "dsuser", password = "password", url = "https://opal-demo.obiba.org")
dsAssignExpr(con, "C", as.symbol("c(1, 2, 3)"))
dsDisconnect(con)
} # }