docs: Add missing example templates and update Go dependencies

Author: okvidhi

mmv1/templates/terraform/examples/bigquery_analyticshub_listing_multiregion.tf.tmpl

@@ -0,0 +1,19 @@
+resource "google_bigquery_analytics_hub_data_exchange" "{{$.PrimaryResourceId}}" {
+  location         = "us"
+  data_exchange_id = "{{index $.Vars "data_exchange_id"}}"
+  display_name     = "{{index $.Vars "data_exchange_id"}}" 
+  description      = "{{index $.Vars "description"}}"
+}
+
+resource "google_bigquery_analytics_hub_listing" "{{$.PrimaryResourceId}}" {
+  location         = "us"
+  data_exchange_id = google_bigquery_analytics_hub_data_exchange.{{$.PrimaryResourceId}}.data_exchange_id
+  listing_id       = "{{index $.Vars "listing_id"}}"
+  display_name     = "{{index $.Vars "listing_id"}}"
+  description      = "{{index $.Vars "description"}}"
+
+  bigquery_dataset {
+    dataset = "projects/project_id/datasets/my_listing_example2"
+    replica_locations = ["eu"]
+  }
+}

mmv1/templates/terraform/examples/bigquery_analyticshub_listing_subscription_multiregion.tf.tmpl

@@ -0,0 +1,39 @@
+resource "google_bigquery_analytics_hub_data_exchange" "{{$.PrimaryResourceId}}" {
+  location         = "us"
+  data_exchange_id = "{{index $.Vars "data_exchange_id"}}"
+  display_name     = "{{index $.Vars "data_exchange_id"}}"
+  description      = "{{index $.Vars "description"}}"
+}
+
+resource "google_bigquery_analytics_hub_listing" "{{$.PrimaryResourceId}}" {
+  location         = "us"
+  data_exchange_id = google_bigquery_analytics_hub_data_exchange.{{$.PrimaryResourceId}}.data_exchange_id
+  listing_id       = "{{index $.Vars "listing_id"}}"
+  display_name     = "{{index $.Vars "listing_id"}}"
+  description      = "{{index $.Vars "description"}}"
+
+  bigquery_dataset {
+    dataset = "projects/project_id/datasets/my_listing_example2"
+    replica_locations = ["eu"]
+  }
+}
+
+resource "google_bigquery_analytics_hub_listing_subscription" "{{$.PrimaryResourceId}}" {
+  location         = "US"
+  data_exchange_id = google_bigquery_analytics_hub_data_exchange.{{$.PrimaryResourceId}}.data_exchange_id
+  listing_id       = google_bigquery_analytics_hub_listing.{{$.PrimaryResourceId}}.listing_id
+
+  destination_dataset {
+    description   = "{{index $.Vars "description"}}"
+    friendly_name = "My Destination Dataset"
+    labels = {
+      testing = "123"
+    }
+    location = "US"
+    dataset_reference {
+      dataset_id = "{{index $.Vars "destination_dataset_id"}}"
+      project_id = google_bigquery_analytics_hub_data_exchange.{{$.PrimaryResourceId}}.project
+    }
+    replica_locations = ["eu"]
+  }
+}

mmv1/third_party/terraform/go.mod

@@ -40,6 +40,8 @@ require (
 	google.golang.org/grpc v1.77.0
 	google.golang.org/protobuf v1.36.10
 	gopkg.in/yaml.v2 v2.4.0
+	cloud.google.com/go/bigquery v1.69.0
+
 )
 
 require (

mmv1/third_party/terraform/tpgresource/common_diff_suppress.go

@@ -101,6 +101,19 @@ func ProjectNumberDiffSuppress(_, old, new string, _ *schema.ResourceData) bool
 	return a2 == b2
 }
 
+// Suppresses diffs where `routing_mode` is unset (empty string) vs. explicitly set
+// to "EXPLICIT_ROUTING_MODE". Since null/empty is treated as the default
+// EXPLICIT_ROUTING_MODE, both values collapse into the same state. This ensures
+// Terraform does not show unnecessary differences unless the value is explicitly
+// changed to "NEXT_HOP_ROUTING_MODE".
+func SuppressRoutingModeDefault(_, old, new string, _ *schema.ResourceData) bool {
+	if old == new {
+		return true
+	}
+	return (old == "" && new == "EXPLICIT_ROUTING_MODE") ||
+		(old == "EXPLICIT_ROUTING_MODE" && new == "")
+}
+
 // Suppress diffs when the value read from api
 // has the project ID instead of the project number
 func ProjectIDDiffSuppress(_, old, new string, _ *schema.ResourceData) bool {