add a virtual field allow_resource_tags_on_deletion

mmv1/products/bigquery/Table.yaml

@@ -516,3 +516,10 @@ properties:
       in the namespaced format, for example "123456789012/environment" where 123456789012 is the
       ID of the parent organization or project resource for this tag key. Tag value is expected
       to be the short name, for example "Production".
+virtual_fields:
+  - !ruby/object:Api::Type::Boolean
+    name: 'allow_resource_tags_on_deletion'
+    min_version: beta
+    description: |
+      Whether or not to allow table deletion when there are still resource tags attached.
+    default_value: false

mmv1/third_party/terraform/services/bigquery/resource_bigquery_table.go.erb

@@ -1157,6 +1157,15 @@ func ResourceBigQueryTable() *schema.Resource {
 				Description: `Whether or not to allow Terraform to destroy the instance. Unless this field is set to false in Terraform state, a terraform destroy or terraform apply that would delete the instance will fail.`,
 			},
 
+			<% unless version == 'ga' -%>
+			"allow_resource_tags_on_deletion": {
+				Type:        schema.TypeBool,
+				Optional:    true,
+				Default:     false,
+				Description: `Whether or not to allow table deletion when there are still resource tags attached.`,
+			},
+
+			<% end -%>
 			// TableConstraints: [Optional] Defines the primary key and foreign keys.
 			"table_constraints": {
 				Type:        schema.TypeList,
@@ -1832,6 +1841,20 @@ func resourceBigQueryTableDelete(d *schema.ResourceData, meta interface{}) error
 	if d.Get("deletion_protection").(bool) {
 		return fmt.Errorf("cannot destroy table %v without setting deletion_protection=false and running `terraform apply`", d.Id())
 	}
+	<% unless version == 'ga' -%>
+	if v, ok := d.GetOk("resource_tags"); ok {
+		if !d.Get("allow_resource_tags_on_deletion").(bool) {
+			var resourceTags []string
+
+			for k, v := range v.(map[string]interface{}) {
+				resourceTags = append(resourceTags, fmt.Sprintf("%s:%s", k, v.(string)))
+			}
+
+			return fmt.Errorf("cannot destroy table %v without unsetting the following resource tags or setting allow_resource_tags_on_deletion=true: %v", d.Id(), resourceTags)
+		}
+	}
+
+	<% end -%>
 	config := meta.(*transport_tpg.Config)
 	userAgent, err := tpgresource.GenerateUserAgentString(d, config.UserAgent)
 	if err != nil {
@@ -2663,6 +2686,9 @@ func resourceBigQueryTableImport(d *schema.ResourceData, meta interface{}) ([]*s
 	if err := d.Set("deletion_protection", true); err != nil {
 		return nil, fmt.Errorf("Error setting deletion_protection: %s", err)
 	}
+	if err := d.Set("allow_resource_tags_on_deletion", false); err != nil {
+		return nil, fmt.Errorf("Error setting allow_resource_tags_on_deletion: %s", err)
+	}
 
 	// Replace import id for the resource id
 	id, err := tpgresource.ReplaceVars(d, config, "projects/{{project}}/datasets/{{dataset_id}}/tables/{{table_id}}")