jjesusfilho

#' Converts PostgreSQL table from long to wide format
#'
#' @param conn Connection
#' @param tbl Table
#' @param new_tbl Optional. It creates a new table in the database 
#'      instead of importing it to R
#' @param id_cols String vector with the name of columns to be used as identities
#' @param names_from Column whose values will become variables
#' @param values_from Column whose values will populate the new variables
#'