ddl: persist index info after changing backfill state (#40229) (#40305)

close #40217
pingcap · Jan 29, 2023 · 14c7dce · 14c7dce
1 parent d1dcac6
commit 14c7dce
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Showing 6 changed files with 16 additions and 222 deletions.
diff --git a/ddl/concurrentddltest/BUILD.bazel b/ddl/concurrentddltest/BUILD.bazel
diff --git a/ddl/concurrentddltest/main_test.go b/ddl/concurrentddltest/main_test.go
diff --git a/ddl/concurrentddltest/switch_test.go b/ddl/concurrentddltest/switch_test.go
diff --git a/ddl/index.go b/ddl/index.go
@@ -774,6 +774,9 @@ func doReorgWorkForCreateIndexMultiSchema(w *worker, d *ddlCtx, t *meta.Meta, jo
  done, ver, err = doReorgWorkForCreateIndex(w, d, t, job, tbl, indexInfo)
  if done {
  job.MarkNonRevertible()
+ if err == nil {
+ ver, err = updateVersionAndTableInfo(d, t, job, tbl.Meta(), true)
+ }
  }
  // We need another round to wait for all the others sub-jobs to finish.
  return false, ver, err
@@ -857,7 +860,7 @@ func doReorgWorkForCreateIndex(w *worker, d *ddlCtx, t *meta.Meta, job *model.Jo
  return false, ver, err
  }
  indexInfo.BackfillState = model.BackfillStateInapplicable // Prevent double-write on this index.
- return true, ver, nil
+ return true, ver, err
  default:
  return false, 0, dbterror.ErrInvalidDDLState.GenWithStackByArgs("backfill", indexInfo.BackfillState)
  }

diff --git a/ddl/multi_schema_change_test.go b/ddl/multi_schema_change_test.go
@@ -1208,6 +1208,17 @@ func TestMultiSchemaChangeSchemaVersion(t *testing.T) {
  dom.DDL().SetHook(originHook)
 }
 
+func TestMultiSchemaChangeAddIndexChangeColumn(t *testing.T) {
+ store := testkit.CreateMockStore(t)
+ tk := testkit.NewTestKit(t, store)
+ tk.MustExec("use test;")
+ tk.MustExec("CREATE TABLE t (a SMALLINT DEFAULT '30219', b TIME NULL DEFAULT '02:45:06', PRIMARY KEY (a));")
+ tk.MustExec("ALTER TABLE t ADD unique INDEX idx4 (b), change column a e MEDIUMINT DEFAULT '5280454' FIRST;")
+ tk.MustExec("insert ignore into t (e) values (5586359),(501788),(-5961048),(220083),(-4917129),(-7267211),(7750448);")
+ tk.MustQuery("select * from t;").Check(testkit.Rows("5586359 02:45:06"))
+ tk.MustExec("admin check table t;")
+}
+
 func TestMultiSchemaChangeMixedWithUpdate(t *testing.T) {
  store, dom := testkit.CreateMockStoreAndDomain(t)
  tk := testkit.NewTestKit(t, store)

diff --git a/executor/batch_checker.go b/executor/batch_checker.go
@@ -181,7 +181,7 @@ func getKeysNeedCheckOneRow(ctx sessionctx.Context, t table.Table, row []types.D
  continue
  }
  // If index is used ingest ways, then we should check key from temp index.
- if v.Meta().BackfillState != model.BackfillStateInapplicable {
+ if v.Meta().State != model.StatePublic && v.Meta().BackfillState != model.BackfillStateInapplicable {
  _, key, _ = tables.GenTempIdxKeyByState(v.Meta(), key)
  }
  colValStr, err1 := formatDataForDupError(colVals)