message: Try avoid S4 dispatch in .onLoad
diff: s3_register("dbplyr::sql_escape_datetime", "duckdb_connection")
  s3_register("dplyr::tbl", "duckdb_connection")
  - con <- dbConnect(duckdb())
  - on.exit(dbDisconnect(con, shutdown = TRUE))
  - res <- dbGetQuery(con, "SELECT * FROM duckdb_keywords();")
  - the$reserved_words <- res[[1]]
  + con <- dbConnect__duckdb_driver(duckdb())
  + on.exit(dbDisconnect__duckdb_connection(con, shutdown = TRUE), add = TRUE)
  +
  + rs <- dbSendQuery__duckdb_connection_character(con, "SELECT * FROM duckdb_keywords();")
  + on.exit(dbClearResult__duckdb_result(rs), add = TRUE)
  + the$reserved_words <- dbFetch__duckdb_result(rs)[[1]]
  +
  + invisible()
  }
  