From 31e61599007b2823f553142967c3f2eb75bd5baa Mon Sep 17 00:00:00 2001
From: zjj01575524 <1174304468@qq.com>
Date: Tue, 25 Jun 2024 16:02:58 +0800
Subject: [PATCH] TF CreateDBCluster bug fix.

---
 alicloud/resource_alicloud_polardb_cluster.go |  2 +-
 .../resource_alicloud_polardb_cluster_test.go | 91 +++++++++++++++++++
 alicloud/service_alicloud_polardb.go          |  9 +-
 3 files changed, 97 insertions(+), 5 deletions(-)

diff --git a/alicloud/resource_alicloud_polardb_cluster.go b/alicloud/resource_alicloud_polardb_cluster.go
index 9b85bee39e37..f258bd8c5b89 100644
--- a/alicloud/resource_alicloud_polardb_cluster.go
+++ b/alicloud/resource_alicloud_polardb_cluster.go
@@ -530,7 +530,7 @@ func resourceAlicloudPolarDBClusterUpdate(d *schema.ResourceData, meta interface
 	polarDBService := PolarDBService{client}
 	d.Partial(true)
 
-	if d.HasChange("default_time_zone") || d.HasChange("lower_case_table_names") || d.HasChange("loose_polar_log_bin") {
+	if !d.IsNewResource() && (d.HasChange("default_time_zone") || d.HasChange("lower_case_table_names") || d.HasChange("loose_polar_log_bin")) {
 		if err := polarDBService.CreateClusterParamsModifyParameters(d); err != nil {
 			return WrapError(err)
 		}
diff --git a/alicloud/resource_alicloud_polardb_cluster_test.go b/alicloud/resource_alicloud_polardb_cluster_test.go
index de7280edb3d0..e10b486d3cf1 100644
--- a/alicloud/resource_alicloud_polardb_cluster_test.go
+++ b/alicloud/resource_alicloud_polardb_cluster_test.go
@@ -1512,6 +1512,97 @@ func TestAccAliCloudPolarDBCluster_SteadyServerless(t *testing.T) {
 	})
 }
 
+func TestAccAliCloudPolarDBCluster_CreateDBCluster(t *testing.T) {
+	var v *polardb.DescribeDBClusterAttributeResponse
+	name := "tf-testAccPolarDBClusterCreateNormal"
+	resourceId := "alicloud_polardb_cluster.default"
+	var basicMap = map[string]string{
+		"description":       CHECKSET,
+		"db_node_class":     CHECKSET,
+		"vswitch_id":        CHECKSET,
+		"db_type":           CHECKSET,
+		"db_version":        CHECKSET,
+		"connection_string": REGEXMATCH + clusterConnectionStringRegexp,
+		"port":              "3306",
+	}
+	ra := resourceAttrInit(resourceId, basicMap)
+	serviceFunc := func() interface{} {
+		return &PolarDBService{testAccProvider.Meta().(*connectivity.AliyunClient)}
+	}
+	rc := resourceCheckInitWithDescribeMethod(resourceId, &v, serviceFunc, "DescribePolarDBClusterAttribute")
+	rac := resourceAttrCheckInit(rc, ra)
+
+	testAccCheck := rac.resourceAttrMapUpdateSet()
+	testAccConfig := resourceTestAccConfigFunc(resourceId, name, resourcePolarDBClusterConfigDependence)
+
+	resource.Test(t, resource.TestCase{
+		PreCheck: func() {
+			testAccPreCheck(t)
+		},
+
+		// module name
+		IDRefreshName: resourceId,
+
+		Providers:    testAccProviders,
+		CheckDestroy: rac.checkResourceDestroy(),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccConfig(map[string]interface{}{
+					"db_type":                "MySQL",
+					"db_version":             "8.0",
+					"pay_type":               "PostPaid",
+					"db_node_count":          "2",
+					"db_node_class":          "${data.alicloud_polardb_node_classes.this.classes.0.supported_engines.0.available_resources.0.db_node_class}",
+					"vswitch_id":             "${local.vswitch_id}",
+					"zone_id":                "${data.alicloud_polardb_node_classes.this.classes.0.zone_id}",
+					"creation_category":      "Normal",
+					"db_node_num":            "2",
+					"default_time_zone":      "+1:00",
+					"description":            "${var.name}",
+					"resource_group_id":      "${data.alicloud_resource_manager_resource_groups.default.ids.0}",
+					"parameter_group_id":     "${data.alicloud_polardb_parameter_groups.default.groups.0.id}",
+					"lower_case_table_names": "0",
+					"backup_retention_policy_on_cluster_deletion": "NONE",
+				}),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheck(map[string]string{
+						"resource_group_id":      CHECKSET,
+						"zone_id":                CHECKSET,
+						"lower_case_table_names": CHECKSET,
+						"default_time_zone":      CHECKSET,
+					}),
+				),
+			},
+			{
+				Config: testAccConfig(map[string]interface{}{
+					"creation_category": "Normal",
+				}),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheck(map[string]string{
+						"creation_category": "Normal",
+					}),
+				),
+			},
+			{
+				ResourceName:            resourceId,
+				ImportState:             true,
+				ImportStateVerify:       true,
+				ImportStateVerifyIgnore: []string{"modify_type", "creation_option", "db_node_num", "parameter_group_id", "backup_retention_policy_on_cluster_deletion"},
+			},
+			{
+				Config: testAccConfig(map[string]interface{}{
+					"default_time_zone": "+2:00",
+				}),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheck(map[string]string{
+						"default_time_zone": "+2:00",
+					}),
+				),
+			},
+		},
+	})
+}
+
 func testAccCheckKeyValueInMapsForPolarDB(ps []map[string]interface{}, propName, key, value string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		for _, policy := range ps {
diff --git a/alicloud/service_alicloud_polardb.go b/alicloud/service_alicloud_polardb.go
index 2ea4da70bcd5..b74fd1aa9f05 100644
--- a/alicloud/service_alicloud_polardb.go
+++ b/alicloud/service_alicloud_polardb.go
@@ -981,10 +981,11 @@ func (s *PolarDBService) CreateClusterParamsModifyParameters(d *schema.ResourceD
 	allConfig := make(map[string]string)
 	changeParams := []string{"loose_polar_log_bin", "default_time_zone"}
 	for _, i := range changeParams {
-		v := d.Get(i)
-		if v != nil {
-			config[i] = v
-			allConfig[i] = fmt.Sprint(v)
+		if v, ok := d.GetOk(i); ok {
+			if d.HasChange(i) {
+				config[i] = v
+				allConfig[i] = fmt.Sprint(v)
+			}
 		}
 	}
 	cfg, _ := json.Marshal(config)