R/dplyr-imports.R

In RSQLServer: SQL Server R Database Interface (DBI) and 'dplyr' SQL Backend

# The MIT License (MIT)
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# Copyright (c) [2013-2015] [RStudio]
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# LICENSE above applies to this source file only
# Reason for copy, paste and mod:
# http://stackoverflow.com/questions/20515358/rcmd-check-unexported-objects-imported-by-calls#comment30669909_20515358
# https://stat.ethz.ch/pipermail/r-devel/2013-August/thread.html#67180


random_table_name <- function (n = 10, temp = FALSE) {
  name <- paste0(sample(letters, n, replace = TRUE), collapse = "")
  if (temp) prefix <- "#" else prefix <- ""
  paste0(prefix, name)
}

compact <- function(x) Filter(Negate(is.null), x)