Unified Storage: create kind_version table migration, add SQL and fix db (#87977)

* fix database interfaces

* add queries

* fix queries

* fix linters

* add owner to imported go library

* remove unused funcs

* run go work sync

* improve critical section fix in data race fix

* fix linters

* remove sync

* fix typo

* improve data embedding

* fix linters

* fix migration

* remove unnecessary comments

* fix linters

* improve SQL templates readability

* remove group_version from kind_version for consistency in History method

* add created_at and updated_at columns to kind_version table

pkg/services/store/entity/db/dbimpl/db_test.go

@@ -0,0 +1,54 @@
+package dbimpl
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	sqlmock "github.com/DATA-DOG/go-sqlmock"
+	"github.com/stretchr/testify/require"
+
+	entitydb "github.com/grafana/grafana/pkg/services/store/entity/db"
+)
+
+func newCtx(t *testing.T) context.Context {
+	t.Helper()
+
+	d, ok := t.Deadline()
+	if !ok {
+		// provide a default timeout for tests
+		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		t.Cleanup(cancel)
+
+		return ctx
+	}
+
+	ctx, cancel := context.WithDeadline(context.Background(), d)
+	t.Cleanup(cancel)
+
+	return ctx
+}
+
+func TestDB_WithTx(t *testing.T) {
+	t.Parallel()
+
+	newTxFunc := func(err error) entitydb.TxFunc {
+		return func(context.Context, entitydb.Tx) error {
+			return err
+		}
+	}
+
+	t.Run("happy path", func(t *testing.T) {
+		t.Parallel()
+
+		sqldb, mock, err := sqlmock.New()
+		require.NoError(t, err)
+		db := NewDB(sqldb, "sqlmock")
+
+		mock.ExpectBegin()
+		mock.ExpectCommit()
+		err = db.WithTx(newCtx(t), nil, newTxFunc(nil))
+
+		require.NoError(t, err)
+	})
+}