unexpected assertion failed using global index #56535
Assignees
Labels
affects-8.5
fuzz/schrddl
severity/major
sig/sql-infra
SIG: SQL Infra
type/bug
The issue is confirmed as a bug.
Comments
|
Do DMLs during add global index (ingest mode) while trigger this problem |
jebter
added
sig/sql-infra
ti-chi-bot
bot
added
may-affects-5.4
Defined2014
removed
may-affects-5.4
13 tasks
|
Found a new bug, it seems like the global index key is double deleted. |
func TestAddGlobalIndexInIngest(t *testing.T) {
store := testkit.CreateMockStore(t)
defer ingesttestutil.InjectMockBackendMgr(t, store)()
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t (a int, b int) partition by hash(a) partitions 5")
tk.MustExec("insert into t (a, b) values (1, 1), (2, 2), (3, 3)")
var i atomic.Int32
i.Store(3)
testfailpoint.EnableCall(t, "github.com/pingcap/tidb/pkg/ddl/onJobUpdated", func(job *model.Job) {
tk2 := testkit.NewTestKit(t, store)
tmp := i.Add(1)
_, err := tk2.Exec(fmt.Sprintf("insert into test.t values (%d, %d)", tmp, tmp))
assert.Nil(t, err)
_, err = tk2.Exec(fmt.Sprintf("update test.t set b = b + 11, a = b where b = %d", tmp-1))
assert.Nil(t, err)
// _, err = tk2.Exec(fmt.Sprintf("delete from test.t where b = %d", tmp-1))
// assert.Nil(t, err)
})
tk.MustExec("alter table t add unique index idx_2(b) global")
rsGlobalIndex := tk.MustQuery("select * from t use index(idx_2)").Sort()
rsTable := tk.MustQuery("select * from t use index()").Sort()
// rsNormalIndex := tk.MustQuery("select * from t use index(idx_1)").Sort()
// num := len(rsGlobalIndex.Rows())
// require.Greater(t, num, 3)
require.Equal(t, rsGlobalIndex.String(), rsTable.String())
// require.Equal(t, rsGlobalIndex.String(), rsNormalIndex.String())
} |
13 tasks
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Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
Here is the log from our internal test schrddl.
2. What did you expect to see? (Required)
No error
3. What did you see instead (Required)
assertion failed
4. What is your TiDB version? (Required)
master
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