Nothing
rel_try <- function(rel, ..., call = NULL) {
call_name <- as.character(sys.call(-1)[[1]])
# Avoid error when called via dplyr:::filter.data.frame() (in yamlet)
if (length(call_name) == 1 && !(call_name %in% stats$calls)) {
stats$calls <- c(stats$calls, call_name)
}
stats$attempts <- stats$attempts + 1L
if (Sys.getenv("DUCKPLYR_TELEMETRY_TEST") == "TRUE") {
force(call)
json <- call_to_json(
error_cnd(message = paste0("Error in ", call$name)),
call
)
cli::cli_abort("{call$name}: {json}")
}
if (Sys.getenv("DUCKPLYR_FALLBACK_FORCE") == "TRUE") {
stats$fallback <- stats$fallback + 1L
return()
}
dots <- list(...)
for (i in seq_along(dots)) {
if (isTRUE(dots[[i]])) {
stats$fallback <- stats$fallback + 1L
if (!dplyr_mode) {
message <- names(dots)[[i]]
if (message != "-") {
tel_collect(message, call)
}
if (Sys.getenv("DUCKPLYR_FALLBACK_INFO") == "TRUE") {
inform(message = c("Requested fallback for relational:", i = message))
}
if (Sys.getenv("DUCKPLYR_FORCE") == "TRUE") {
cli::cli_abort("Fallback not available with {.envvar DUCKPLYR_FORCE}.")
}
}
return()
}
}
# https://github.com/duckdb/duckdb-r/issues/101
max_expression_depth <- DBI::dbGetQuery(get_default_duckdb_connection(), "SELECT current_setting('max_expression_depth')")[[1]]
if (max_expression_depth != 100) {
# Only reset if this hasn't been set already
# NeuroDecodeR, delayed evaluation
DBI::dbExecute(get_default_duckdb_connection(), "SET max_expression_depth TO 100")
withr::defer({
DBI::dbExecute(get_default_duckdb_connection(), "SET max_expression_depth TO 200")
})
}
if (Sys.getenv("DUCKPLYR_FORCE") == "TRUE") {
return(rel)
}
out <- rlang::try_fetch(rel, error = identity)
if (inherits(out, "error")) {
tel_collect(out, call)
# FIXME: enable always
if (Sys.getenv("DUCKPLYR_FALLBACK_INFO") == "TRUE") {
rlang::cnd_signal(rlang::message_cnd(message = "Error processing with relational.", parent = out))
}
stats$fallback <- stats$fallback + 1L
return()
}
# Never reached due to return() in code
cli::cli_abort("Must use a return() in rel_try().")
}
rel_translate_dots <- function(dots, data, forbid_new = FALSE) {
if (is.null(names(dots))) {
map(dots, rel_translate, data)
} else if (forbid_new) {
out <- accumulate(seq_along(dots), .init = NULL, function(.x, .y) {
new <- names(dots)[[.y]]
translation <- rel_translate(dots[[.y]], alias = new, data, names_forbidden = .x$new)
list(
new = c(.x$new, new),
translation = c(.x$translation, list(translation))
)
})
out[[length(out)]]$translation
} else {
imap(dots, rel_translate, data = data)
}
}
new_failing_mask <- function(names_data) {
env <- new_environment()
walk(names_data, ~ env_bind_lazy(env, !!.x := stop("Can't access data in this context")))
new_data_mask(env)
}
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