generated from r-dbi/RKazam
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dbDisconnect_AdbiConnection.R
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dbDisconnect_AdbiConnection.R
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#' When disconnecting, there is an option `force` to either warn if there are
#' open results for the connection and immediately finalize all affected objects
#' (default) or to simply inform about open results and mark the connection for
#' finalization (which is triggered when the last open result is closed).
#' @rdname dbConnect
#' @inheritParams DBI::dbDisconnect
#' @param force Close open results when disconnecting
#' @usage NULL
dbDisconnect_AdbiConnection <- function(conn,
force = getOption("adbi.force_close_results", FALSE), ...) {
n_res <- length(meta(conn, "results"))
if (n_res && isTRUE(force)) {
warning("There are ", n_res, " open result(s) in use. Force closing ",
"can be disabled by setting `options(adbi.force_close_results = FALSE)`.")
clear_results(conn)
} else if (n_res) {
message("There are ", n_res, " result(s) in use. The connection will be ",
"released when they are closed")
meta(conn, "disconnect") <- TRUE
return(invisible(FALSE))
}
if (adbc_connection_is_valid(conn@connection)) {
adbc_release(conn@connection, "connection")
} else {
warning("Connection already closed.", call. = FALSE)
}
if (adbc_database_is_valid(conn@database)) {
adbc_release(conn@database, "database")
} else {
warning("Database already released.", call. = FALSE)
}
invisible(TRUE)
}
#' @rdname dbConnect
#' @export
setMethod("dbDisconnect", "AdbiConnection", dbDisconnect_AdbiConnection)