两个测试用于演示

contrib/drivers/mysql/mysql_z_unit_feature_ctx_test.go

@@ -63,3 +63,31 @@ func Test_Ctx_Model(t *testing.T) {
 		db.Model(table).All()
 	})
 }
+
+type implScanner struct {
+	v int
+}
+
+func (t *implScanner) Scan(src any) error {
+	t.v = 10
+	return nil
+}
+
+type testImplSqlScanner struct {
+	Id       implScanner
+	Passport *implScanner
+	Password string
+}
+
+func Test_CustomConvertFunc(t *testing.T) {
+	table := createInitTable()
+	defer dropTable(table)
+	gtest.C(t, func(t *gtest.T) {
+		var impl testImplSqlScanner
+		err := db.Model(table).Scan(&impl)
+		t.AssertNil(err)
+		t.Assert(impl.Id, implScanner{v: 10})
+		t.Assert(impl.Password, "pass_1")
+		t.Assert(impl.Passport, &implScanner{v: 10})
+	})
+}

contrib/drivers/mysql/mysql_z_unit_issue_test.go

@@ -1590,3 +1590,35 @@ func issue4034SaveAppDevice(ctx context.Context, table string, tx gdb.TX) error
 	}).Save()
 	return err
 }
+
+func Test_issue4086(t *testing.T) {
+	type ProxyParam struct {
+		ProxyId      int64    `json:"proxyId"              orm:"proxy_id"              description:""`
+		RecommendIds []int64  `json:"recommendIds" orm:"recommend_ids" description:""`
+		Photos       []string `json:"photos"              orm:"photos"                 description:""`
+	}
+	gtest.C(t, func(t *gtest.T) {
+		table := "proxy_param"
+		array := gstr.SplitAndTrim(gtest.DataContent(`issue4086.sql`), ";")
+		for _, v := range array {
+			_, err := db.Exec(ctx, v)
+			t.AssertNil(err)
+		}
+		defer dropTable(table)
+
+		var proxyParamList []*ProxyParam
+		err := db.Model(table).Ctx(context.Background()).Scan(&proxyParamList)
+		t.AssertNil(err)
+		t.Assert(len(proxyParamList), 2)
+		t.Assert(proxyParamList[0], &ProxyParam{
+			ProxyId:      1,
+			RecommendIds: []int64{584, 585},
+			Photos:       nil,
+		})
+		t.Assert(proxyParamList[1], &ProxyParam{
+			ProxyId:      2,
+			RecommendIds: []int64{},
+			Photos:       nil,
+		})
+	})
+}