Assign the result of an expression — dsAssignExpr,OpalConnection-method • DSOpal

Assign a result of the execution of an expression in the DataSHIELD R session.

# S4 method for OpalConnection
dsAssignExpr(conn, symbol, expr, async = TRUE)

Arguments

conn: OpalConnection-class object.
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

A OpalResult-class object.

Examples

if (FALSE) {
con <- dbConnect(DSOpal::Opal(), "server1",
  "username", "password", "https://opal.example.org")
dsAssignExpr(con, "C", as.symbol("c(1, 2, 3)"))
dsDisconnect(con)
}