Add a new table issue_index to store the max issue index so that issue could be deleted with no duplicated index (#15599)

* Add a new table issue_index to store the max issue index so that issue could be deleted with no duplicated index

* Fix pull index

* Add tests for concurrent creating issues

* Fix lint

* Fix tests

* Fix postgres test

* Add test for migration v180

* Rename wrong test file name

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lauris BH <lauris@nix.lv>

1 files changed, 27 insertions, 0 deletions

diff --git a/models/index_test.go b/models/index_test.go
new file mode 100644
index 0000000000..40e570ad9f
--- /dev/null
+++ b/models/index_test.go
@@ -0,0 +1,27 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"fmt"
+	"sync"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestResourceIndex(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	var wg sync.WaitGroup
+	for i := 0; i < 100; i++ {
+		wg.Add(1)
+		go func(i int) {
+			testInsertIssue(t, fmt.Sprintf("issue %d", i+1), "my issue", 0)
+			wg.Done()
+		}(i)
+	}
+	wg.Wait()
+}