Fix bug on getIssueIDsByRepoID (#16119)

* Fix bug on getIssueIDsByRepoID

* Add test

models/issue.go

@@ -1086,7 +1086,7 @@ func getIssuesByIDs(e Engine, issueIDs []int64) ([]*Issue, error) {
 
 func getIssueIDsByRepoID(e Engine, repoID int64) ([]int64, error) {
 	ids := make([]int64, 0, 10)
-	err := e.Table("issue").Where("repo_id = ?", repoID).Find(&ids)
+	err := e.Table("issue").Cols("id").Where("repo_id = ?", repoID).Find(&ids)
 	return ids, err
 }
 

models/issue_test.go

@@ -36,6 +36,14 @@ func TestIssue_ReplaceLabels(t *testing.T) {
 	testSuccess(1, []int64{})
 }
 
+func Test_GetIssueIDsByRepoID(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	ids, err := GetIssueIDsByRepoID(1)
+	assert.NoError(t, err)
+	assert.Len(t, ids, 5)
+}
+
 func TestIssueAPIURL(t *testing.T) {
 	assert.NoError(t, PrepareTestDatabase())
 	issue := AssertExistsAndLoadBean(t, &Issue{ID: 1}).(*Issue)