Running examples in ‘dm-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: dm
> ### Title: Data model class
> ### Aliases: dm new_dm dm_get_con dm_get_tables is_dm as_dm validate_dm
> 
> ### ** Examples
> 
> dm(trees, mtcars)
── Metadata ────────────────────────────────────────────────────────────────────
Tables: `trees`, `mtcars`
Columns: 14
Primary keys: 0
Foreign keys: 0
> new_dm(list(trees = trees, mtcars = mtcars))
── Metadata ────────────────────────────────────────────────────────────────────
Tables: `trees`, `mtcars`
Columns: 14
Primary keys: 0
Foreign keys: 0
> as_dm(list(trees = trees, mtcars = mtcars))
── Metadata ────────────────────────────────────────────────────────────────────
Tables: `trees`, `mtcars`
Columns: 14
Primary keys: 0
Foreign keys: 0
> ## Don't show: 
> if (rlang::is_installed("nycflights13") && rlang::is_installed("dbplyr")) (if (getRversion() >= "3.4") withAutoprint else force)({ # examplesIf
+ ## End(Don't show)
+ 
+ dm_nycflights13()$airports
+ dm_nycflights13() %>% names()
+ 
+ copy_dm_to(
+   dbplyr::src_memdb(),
+   dm_nycflights13()
+ ) %>%
+   dm_get_con()
+ 
+ dm_nycflights13() %>% dm_get_tables()
+ dm_nycflights13() %>% dm_get_filters()
+ dm_nycflights13() %>% validate_dm()
+ is_dm(dm_nycflights13())
+ dm_nycflights13()["airports"]
+ dm_nycflights13()[["airports"]]
+ dm_nycflights13()$airports
+ ## Don't show: 
+ }) # examplesIf
> dm_nycflights13()$airports
# A tibble: 86 × 8
   faa   name                                 lat    lon   alt    tz dst   tzone
   <chr> <chr>                              <dbl>  <dbl> <dbl> <dbl> <chr> <chr>
 1 ALB   Albany Intl                         42.7  -73.8   285    -5 A     Amer…
 2 ATL   Hartsfield Jackson Atlanta Intl     33.6  -84.4  1026    -5 A     Amer…
 3 AUS   Austin Bergstrom Intl               30.2  -97.7   542    -6 A     Amer…
 4 BDL   Bradley Intl                        41.9  -72.7   173    -5 A     Amer…
 5 BHM   Birmingham Intl                     33.6  -86.8   644    -6 A     Amer…
 6 BNA   Nashville Intl                      36.1  -86.7   599    -6 A     Amer…
 7 BOS   General Edward Lawrence Logan Intl  42.4  -71.0    19    -5 A     Amer…
 8 BTV   Burlington Intl                     44.5  -73.2   335    -5 A     Amer…
 9 BUF   Buffalo Niagara Intl                42.9  -78.7   724    -5 A     Amer…
10 BUR   Bob Hope                            34.2 -118.    778    -8 A     Amer…
# … with 76 more rows
> dm_nycflights13() %>% names()
[1] "airlines" "airports" "flights"  "planes"   "weather" 
> copy_dm_to(dbplyr::src_memdb(), dm_nycflights13()) %>% dm_get_con()
Error in (function (cond)  : 
  error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': there is no package called ‘RSQLite’
Calls: <Anonymous> ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
Execution halted