Error in value[[3L]](cond) :
  Failed to start sparklyr backend: object 'DATABRICKS_GUID' not found
Calls: <Anonymous> ... tryCatch -> tryCatchList -> tryCatchOne ->
<Anonymous>
Execution halted

---
title: "Test"
output: html_document
---

```{r}
library(sparklyr)
library(dplyr)
library(SparkR)
sparkR.session()
sc = spark_connect(method = "databricks")
sparkdf = SparkR::sql("FROM test_csv SELECT *")
class(sparkdf)
count(sparkdf)
rdf = SparkR::collect(sparkdf)
class(rdf)
summary(rdf)
```