From f745e5f178427c1fbd0e6ad1c388693293ddf939 Mon Sep 17 00:00:00 2001
From: Chris Stephens <chrisst@google.com>
Date: Tue, 6 Nov 2018 13:14:36 +0000
Subject: [PATCH] Change BigQuery access list to a set

---
 google/resource_bigquery_dataset.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/google/resource_bigquery_dataset.go b/google/resource_bigquery_dataset.go
index a555b9af077..0bda1ad012e 100644
--- a/google/resource_bigquery_dataset.go
+++ b/google/resource_bigquery_dataset.go
@@ -113,7 +113,7 @@ func resourceBigQueryDataset() *schema.Resource {
 			// or updating a dataset in order to control who is allowed to access
 			// the data.
 			"access": &schema.Schema{
-				Type:     schema.TypeList,
+				Type:     schema.TypeSet,
 				Optional: true,
 				// Computed because if unset, BQ adds 4 entries automatically
 				Computed: true,
@@ -239,7 +239,8 @@ func resourceDataset(d *schema.ResourceData, meta interface{}) (*bigquery.Datase
 
 	if v, ok := d.GetOk("access"); ok {
 		access := []*bigquery.DatasetAccess{}
-		for _, m := range v.([]interface{}) {
+		vs := v.(*schema.Set)
+		for _, m := range vs.List() {
 			da := bigquery.DatasetAccess{}
 			accessMap := m.(map[string]interface{})
 			da.Role = accessMap["role"].(string)