azurerm_sql_database: changes to collation force a new resource

azurerm/resource_arm_sql_database.go

@@ -87,6 +87,7 @@ func resourceArmSqlDatabase() *schema.Resource {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
+				ForceNew: true,
 			},
 
 			"max_size_bytes": {

azurerm/resource_arm_sql_database_test.go

@@ -155,6 +155,36 @@ func TestAccAzureRMSqlDatabase_restorePointInTime(t *testing.T) {
 	})
 }
 
+func TestAccAzureRMSqlDatabase_collation(t *testing.T) {
+	resourceName := "azurerm_sql_database.test"
+	ri := acctest.RandInt()
+	location := testLocation()
+	preConfig := testAccAzureRMSqlDatabase_basic(ri, location)
+	postConfig := testAccAzureRMSqlDatabase_collationUpdate(ri, location)
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testCheckAzureRMSqlDatabaseDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: preConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMSqlDatabaseExists(resourceName),
+					resource.TestCheckResourceAttr(resourceName, "collation", "SQL_Latin1_General_CP1_CI_AS"),
+				),
+			},
+			{
+				Config: postConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMSqlDatabaseExists(resourceName),
+					resource.TestCheckResourceAttr(resourceName, "collation", "Japanese_Bushu_Kakusu_100_CS_AS_KS_WS"),
+				),
+			},
+		},
+	})
+}
+
 func testCheckAzureRMSqlDatabaseExists(name string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 
@@ -437,3 +467,32 @@ resource "azurerm_sql_database" "test" {
 }
 `, rInt, location, rInt, rInt, rInt)
 }
+
+func testAccAzureRMSqlDatabase_collationUpdate(rInt int, location string) string {
+	return fmt.Sprintf(`
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG_%d"
+    location = "%s"
+}
+
+resource "azurerm_sql_server" "test" {
+    name = "acctestsqlserver%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    location = "${azurerm_resource_group.test.location}"
+    version = "12.0"
+    administrator_login = "mradministrator"
+    administrator_login_password = "thisIsDog11"
+}
+
+resource "azurerm_sql_database" "test" {
+    name = "acctestdb%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    server_name = "${azurerm_sql_server.test.name}"
+    location = "${azurerm_resource_group.test.location}"
+    edition = "Standard"
+    collation = "Japanese_Bushu_Kakusu_100_CS_AS_KS_WS"
+    max_size_bytes = "1073741824"
+    requested_service_objective_name = "S0"
+}
+`, rInt, location, rInt, rInt)
+}

website/docs/r/sql_database.html.markdown

@@ -58,7 +58,7 @@ The following arguments are supported:
 
 * `edition` - (Optional) The edition of the database to be created. Applies only if `create_mode` is `Default`. Valid values are: `Basic`, `Standard`, `Premium`, or `DataWarehouse`. Please see [Azure SQL Database Service Tiers](https://azure.microsoft.com/en-gb/documentation/articles/sql-database-service-tiers/).
 
-* `collation` - (Optional) The name of the collation. Applies only if `create_mode` is `Default`.  Azure default is `SQL_LATIN1_GENERAL_CP1_CI_AS`
+* `collation` - (Optional) The name of the collation. Applies only if `create_mode` is `Default`.  Azure default is `SQL_LATIN1_GENERAL_CP1_CI_AS`. Changing this forces a new resource to be created. 
 
 * `max_size_bytes` - (Optional) The maximum size that the database can grow to. Applies only if `create_mode` is `Default`.  Please see [Azure SQL Database Service Tiers](https://azure.microsoft.com/en-gb/documentation/articles/sql-database-service-tiers/).