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###
### Load any db objects whenever the package is loaded.
###

.onLoad <- function(libname, pkgname)
{
  ns <- asNamespace(pkgname)
  path <- system.file("extdata", package=pkgname, lib.loc=libname)
  files <- dir(path)
  for(i in seq_len(length(files))){
    db <- loadDb(system.file("extdata", files[[i]], package=pkgname, 
                  lib.loc=libname),packageName=pkgname)
    objname <- sub(".sqlite$","",files[[i]])
    assign(objname, db, envir=ns)
    namespaceExport(ns, objname)
  }
}