mirror of
https://github.com/go-gitea/gitea
synced 2024-07-07 10:35:48 +00:00
* Dropped unused codekit config * Integrated dynamic and static bindata for public * Ignore public bindata * Add a general generate make task * Integrated flexible public assets into web command * Updated vendoring, added all missiong govendor deps * Made the linter happy with the bindata and dynamic code * Moved public bindata definition to modules directory * Ignoring the new bindata path now * Updated to the new public modules import path * Updated public bindata command and drop the new prefix
651 lines
16 KiB
Go
651 lines
16 KiB
Go
// Copyright 2015 PingCAP, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package meta
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"encoding/json"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/juju/errors"
|
|
"github.com/pingcap/tidb/kv"
|
|
"github.com/pingcap/tidb/model"
|
|
"github.com/pingcap/tidb/structure"
|
|
)
|
|
|
|
var (
|
|
globalIDMutex sync.Mutex
|
|
)
|
|
|
|
// Meta structure:
|
|
// NextGlobalID -> int64
|
|
// SchemaVersion -> int64
|
|
// DBs -> {
|
|
// DB:1 -> db meta data []byte
|
|
// DB:2 -> db meta data []byte
|
|
// }
|
|
// DB:1 -> {
|
|
// Table:1 -> table meta data []byte
|
|
// Table:2 -> table meta data []byte
|
|
// TID:1 -> int64
|
|
// TID:2 -> int64
|
|
// }
|
|
//
|
|
|
|
var (
|
|
mNextGlobalIDKey = []byte("NextGlobalID")
|
|
mSchemaVersionKey = []byte("SchemaVersionKey")
|
|
mDBs = []byte("DBs")
|
|
mDBPrefix = "DB"
|
|
mTablePrefix = "Table"
|
|
mTableIDPrefix = "TID"
|
|
mBootstrapKey = []byte("BootstrapKey")
|
|
)
|
|
|
|
var (
|
|
// ErrDBExists is the error for db exists.
|
|
ErrDBExists = errors.New("database already exists")
|
|
// ErrDBNotExists is the error for db not exists.
|
|
ErrDBNotExists = errors.New("database doesn't exist")
|
|
// ErrTableExists is the error for table exists.
|
|
ErrTableExists = errors.New("table already exists")
|
|
// ErrTableNotExists is the error for table not exists.
|
|
ErrTableNotExists = errors.New("table doesn't exist")
|
|
)
|
|
|
|
// Meta is for handling meta information in a transaction.
|
|
type Meta struct {
|
|
txn *structure.TxStructure
|
|
}
|
|
|
|
// NewMeta creates a Meta in transaction txn.
|
|
func NewMeta(txn kv.Transaction) *Meta {
|
|
t := structure.NewStructure(txn, []byte{'m'})
|
|
return &Meta{txn: t}
|
|
}
|
|
|
|
// GenGlobalID generates next id globally.
|
|
func (m *Meta) GenGlobalID() (int64, error) {
|
|
globalIDMutex.Lock()
|
|
defer globalIDMutex.Unlock()
|
|
|
|
return m.txn.Inc(mNextGlobalIDKey, 1)
|
|
}
|
|
|
|
// GetGlobalID gets current global id.
|
|
func (m *Meta) GetGlobalID() (int64, error) {
|
|
return m.txn.GetInt64(mNextGlobalIDKey)
|
|
}
|
|
|
|
func (m *Meta) dbKey(dbID int64) []byte {
|
|
return []byte(fmt.Sprintf("%s:%d", mDBPrefix, dbID))
|
|
}
|
|
|
|
func (m *Meta) parseDatabaseID(key string) (int64, error) {
|
|
seps := strings.Split(key, ":")
|
|
if len(seps) != 2 {
|
|
return 0, errors.Errorf("invalid db key %s", key)
|
|
}
|
|
|
|
n, err := strconv.ParseInt(seps[1], 10, 64)
|
|
return n, errors.Trace(err)
|
|
}
|
|
|
|
func (m *Meta) autoTalbeIDKey(tableID int64) []byte {
|
|
return []byte(fmt.Sprintf("%s:%d", mTableIDPrefix, tableID))
|
|
}
|
|
|
|
func (m *Meta) tableKey(tableID int64) []byte {
|
|
return []byte(fmt.Sprintf("%s:%d", mTablePrefix, tableID))
|
|
}
|
|
|
|
func (m *Meta) parseTableID(key string) (int64, error) {
|
|
seps := strings.Split(key, ":")
|
|
if len(seps) != 2 {
|
|
return 0, errors.Errorf("invalid table meta key %s", key)
|
|
}
|
|
|
|
n, err := strconv.ParseInt(seps[1], 10, 64)
|
|
return n, errors.Trace(err)
|
|
}
|
|
|
|
// GenAutoTableID adds step to the auto id of the table and returns the sum.
|
|
func (m *Meta) GenAutoTableID(dbID int64, tableID int64, step int64) (int64, error) {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return 0, errors.Trace(err)
|
|
}
|
|
|
|
// Check if table exists.
|
|
tableKey := m.tableKey(tableID)
|
|
if err := m.checkTableExists(dbKey, tableKey); err != nil {
|
|
return 0, errors.Trace(err)
|
|
}
|
|
|
|
return m.txn.HInc(dbKey, m.autoTalbeIDKey(tableID), step)
|
|
}
|
|
|
|
// GetAutoTableID gets current auto id with table id.
|
|
func (m *Meta) GetAutoTableID(dbID int64, tableID int64) (int64, error) {
|
|
return m.txn.HGetInt64(m.dbKey(dbID), m.autoTalbeIDKey(tableID))
|
|
}
|
|
|
|
// GetSchemaVersion gets current global schema version.
|
|
func (m *Meta) GetSchemaVersion() (int64, error) {
|
|
return m.txn.GetInt64(mSchemaVersionKey)
|
|
}
|
|
|
|
// GenSchemaVersion generates next schema version.
|
|
func (m *Meta) GenSchemaVersion() (int64, error) {
|
|
return m.txn.Inc(mSchemaVersionKey, 1)
|
|
}
|
|
|
|
func (m *Meta) checkDBExists(dbKey []byte) error {
|
|
v, err := m.txn.HGet(mDBs, dbKey)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
} else if v == nil {
|
|
return ErrDBNotExists
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *Meta) checkDBNotExists(dbKey []byte) error {
|
|
v, err := m.txn.HGet(mDBs, dbKey)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if v != nil {
|
|
return ErrDBExists
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *Meta) checkTableExists(dbKey []byte, tableKey []byte) error {
|
|
v, err := m.txn.HGet(dbKey, tableKey)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if v == nil {
|
|
return ErrTableNotExists
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *Meta) checkTableNotExists(dbKey []byte, tableKey []byte) error {
|
|
v, err := m.txn.HGet(dbKey, tableKey)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if v != nil {
|
|
return ErrTableExists
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// CreateDatabase creates a database with db info.
|
|
func (m *Meta) CreateDatabase(dbInfo *model.DBInfo) error {
|
|
dbKey := m.dbKey(dbInfo.ID)
|
|
|
|
if err := m.checkDBNotExists(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
data, err := json.Marshal(dbInfo)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return m.txn.HSet(mDBs, dbKey, data)
|
|
}
|
|
|
|
// UpdateDatabase updates a database with db info.
|
|
func (m *Meta) UpdateDatabase(dbInfo *model.DBInfo) error {
|
|
dbKey := m.dbKey(dbInfo.ID)
|
|
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
data, err := json.Marshal(dbInfo)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return m.txn.HSet(mDBs, dbKey, data)
|
|
}
|
|
|
|
// CreateTable creates a table with tableInfo in database.
|
|
func (m *Meta) CreateTable(dbID int64, tableInfo *model.TableInfo) error {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// Check if table exists.
|
|
tableKey := m.tableKey(tableInfo.ID)
|
|
if err := m.checkTableNotExists(dbKey, tableKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
data, err := json.Marshal(tableInfo)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return m.txn.HSet(dbKey, tableKey, data)
|
|
}
|
|
|
|
// DropDatabase drops whole database.
|
|
func (m *Meta) DropDatabase(dbID int64) error {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.txn.HClear(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if err := m.txn.HDel(mDBs, dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// DropTable drops table in database.
|
|
func (m *Meta) DropTable(dbID int64, tableID int64) error {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// Check if table exists.
|
|
tableKey := m.tableKey(tableID)
|
|
if err := m.checkTableExists(dbKey, tableKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if err := m.txn.HDel(dbKey, tableKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if err := m.txn.HDel(dbKey, m.autoTalbeIDKey(tableID)); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// UpdateTable updates the table with table info.
|
|
func (m *Meta) UpdateTable(dbID int64, tableInfo *model.TableInfo) error {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// Check if table exists.
|
|
tableKey := m.tableKey(tableInfo.ID)
|
|
if err := m.checkTableExists(dbKey, tableKey); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
data, err := json.Marshal(tableInfo)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
err = m.txn.HSet(dbKey, tableKey, data)
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// ListTables shows all tables in database.
|
|
func (m *Meta) ListTables(dbID int64) ([]*model.TableInfo, error) {
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
res, err := m.txn.HGetAll(dbKey)
|
|
if err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
tables := make([]*model.TableInfo, 0, len(res)/2)
|
|
for _, r := range res {
|
|
// only handle table meta
|
|
tableKey := string(r.Field)
|
|
if !strings.HasPrefix(tableKey, mTablePrefix) {
|
|
continue
|
|
}
|
|
|
|
tbInfo := &model.TableInfo{}
|
|
err = json.Unmarshal(r.Value, tbInfo)
|
|
if err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
tables = append(tables, tbInfo)
|
|
}
|
|
|
|
return tables, nil
|
|
}
|
|
|
|
// ListDatabases shows all databases.
|
|
func (m *Meta) ListDatabases() ([]*model.DBInfo, error) {
|
|
res, err := m.txn.HGetAll(mDBs)
|
|
if err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
dbs := make([]*model.DBInfo, 0, len(res))
|
|
for _, r := range res {
|
|
dbInfo := &model.DBInfo{}
|
|
err = json.Unmarshal(r.Value, dbInfo)
|
|
if err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
dbs = append(dbs, dbInfo)
|
|
}
|
|
return dbs, nil
|
|
}
|
|
|
|
// GetDatabase gets the database value with ID.
|
|
func (m *Meta) GetDatabase(dbID int64) (*model.DBInfo, error) {
|
|
dbKey := m.dbKey(dbID)
|
|
value, err := m.txn.HGet(mDBs, dbKey)
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
dbInfo := &model.DBInfo{}
|
|
err = json.Unmarshal(value, dbInfo)
|
|
return dbInfo, errors.Trace(err)
|
|
}
|
|
|
|
// GetTable gets the table value in database with tableID.
|
|
func (m *Meta) GetTable(dbID int64, tableID int64) (*model.TableInfo, error) {
|
|
// Check if db exists.
|
|
dbKey := m.dbKey(dbID)
|
|
if err := m.checkDBExists(dbKey); err != nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
tableKey := m.tableKey(tableID)
|
|
value, err := m.txn.HGet(dbKey, tableKey)
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
tableInfo := &model.TableInfo{}
|
|
err = json.Unmarshal(value, tableInfo)
|
|
return tableInfo, errors.Trace(err)
|
|
}
|
|
|
|
// DDL job structure
|
|
// DDLOnwer: []byte
|
|
// DDLJobList: list jobs
|
|
// DDLJobHistory: hash
|
|
// DDLJobReorg: hash
|
|
//
|
|
// for multi DDL workers, only one can become the owner
|
|
// to operate DDL jobs, and dispatch them to MR Jobs.
|
|
|
|
var (
|
|
mDDLJobOwnerKey = []byte("DDLJobOwner")
|
|
mDDLJobListKey = []byte("DDLJobList")
|
|
mDDLJobHistoryKey = []byte("DDLJobHistory")
|
|
mDDLJobReorgKey = []byte("DDLJobReorg")
|
|
)
|
|
|
|
func (m *Meta) getJobOwner(key []byte) (*model.Owner, error) {
|
|
value, err := m.txn.Get(key)
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
owner := &model.Owner{}
|
|
err = json.Unmarshal(value, owner)
|
|
return owner, errors.Trace(err)
|
|
}
|
|
|
|
// GetDDLJobOwner gets the current owner for DDL.
|
|
func (m *Meta) GetDDLJobOwner() (*model.Owner, error) {
|
|
return m.getJobOwner(mDDLJobOwnerKey)
|
|
}
|
|
|
|
func (m *Meta) setJobOwner(key []byte, o *model.Owner) error {
|
|
b, err := json.Marshal(o)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
return m.txn.Set(key, b)
|
|
}
|
|
|
|
// SetDDLJobOwner sets the current owner for DDL.
|
|
func (m *Meta) SetDDLJobOwner(o *model.Owner) error {
|
|
return m.setJobOwner(mDDLJobOwnerKey, o)
|
|
}
|
|
|
|
func (m *Meta) enQueueDDLJob(key []byte, job *model.Job) error {
|
|
b, err := job.Encode()
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
return m.txn.RPush(key, b)
|
|
}
|
|
|
|
// EnQueueDDLJob adds a DDL job to the list.
|
|
func (m *Meta) EnQueueDDLJob(job *model.Job) error {
|
|
return m.enQueueDDLJob(mDDLJobListKey, job)
|
|
}
|
|
|
|
func (m *Meta) deQueueDDLJob(key []byte) (*model.Job, error) {
|
|
value, err := m.txn.LPop(key)
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
job := &model.Job{}
|
|
err = job.Decode(value)
|
|
return job, errors.Trace(err)
|
|
}
|
|
|
|
// DeQueueDDLJob pops a DDL job from the list.
|
|
func (m *Meta) DeQueueDDLJob() (*model.Job, error) {
|
|
return m.deQueueDDLJob(mDDLJobListKey)
|
|
}
|
|
|
|
func (m *Meta) getDDLJob(key []byte, index int64) (*model.Job, error) {
|
|
value, err := m.txn.LIndex(key, index)
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
job := &model.Job{}
|
|
err = job.Decode(value)
|
|
return job, errors.Trace(err)
|
|
}
|
|
|
|
// GetDDLJob returns the DDL job with index.
|
|
func (m *Meta) GetDDLJob(index int64) (*model.Job, error) {
|
|
job, err := m.getDDLJob(mDDLJobListKey, index)
|
|
return job, errors.Trace(err)
|
|
}
|
|
|
|
func (m *Meta) updateDDLJob(index int64, job *model.Job, key []byte) error {
|
|
// TODO: use timestamp allocated by TSO
|
|
job.LastUpdateTS = time.Now().UnixNano()
|
|
b, err := job.Encode()
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
return m.txn.LSet(key, index, b)
|
|
}
|
|
|
|
// UpdateDDLJob updates the DDL job with index.
|
|
func (m *Meta) UpdateDDLJob(index int64, job *model.Job) error {
|
|
return m.updateDDLJob(index, job, mDDLJobListKey)
|
|
}
|
|
|
|
// DDLJobQueueLen returns the DDL job queue length.
|
|
func (m *Meta) DDLJobQueueLen() (int64, error) {
|
|
return m.txn.LLen(mDDLJobListKey)
|
|
}
|
|
|
|
func (m *Meta) jobIDKey(id int64) []byte {
|
|
b := make([]byte, 8)
|
|
binary.BigEndian.PutUint64(b, uint64(id))
|
|
return b
|
|
}
|
|
|
|
func (m *Meta) addHistoryDDLJob(key []byte, job *model.Job) error {
|
|
b, err := job.Encode()
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
return m.txn.HSet(key, m.jobIDKey(job.ID), b)
|
|
}
|
|
|
|
// AddHistoryDDLJob adds DDL job to history.
|
|
func (m *Meta) AddHistoryDDLJob(job *model.Job) error {
|
|
return m.addHistoryDDLJob(mDDLJobHistoryKey, job)
|
|
}
|
|
|
|
func (m *Meta) getHistoryDDLJob(key []byte, id int64) (*model.Job, error) {
|
|
value, err := m.txn.HGet(key, m.jobIDKey(id))
|
|
if err != nil || value == nil {
|
|
return nil, errors.Trace(err)
|
|
}
|
|
|
|
job := &model.Job{}
|
|
err = job.Decode(value)
|
|
return job, errors.Trace(err)
|
|
}
|
|
|
|
// GetHistoryDDLJob gets a history DDL job.
|
|
func (m *Meta) GetHistoryDDLJob(id int64) (*model.Job, error) {
|
|
return m.getHistoryDDLJob(mDDLJobHistoryKey, id)
|
|
}
|
|
|
|
// IsBootstrapped returns whether we have already run bootstrap or not.
|
|
// return true means we don't need doing any other bootstrap.
|
|
func (m *Meta) IsBootstrapped() (bool, error) {
|
|
value, err := m.txn.GetInt64(mBootstrapKey)
|
|
if err != nil {
|
|
return false, errors.Trace(err)
|
|
}
|
|
return value == 1, nil
|
|
}
|
|
|
|
// FinishBootstrap finishes bootstrap.
|
|
func (m *Meta) FinishBootstrap() error {
|
|
err := m.txn.Set(mBootstrapKey, []byte("1"))
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// UpdateDDLReorgHandle saves the job reorganization latest processed handle for later resuming.
|
|
func (m *Meta) UpdateDDLReorgHandle(job *model.Job, handle int64) error {
|
|
err := m.txn.HSet(mDDLJobReorgKey, m.jobIDKey(job.ID), []byte(strconv.FormatInt(handle, 10)))
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// RemoveDDLReorgHandle removes the job reorganization handle.
|
|
func (m *Meta) RemoveDDLReorgHandle(job *model.Job) error {
|
|
err := m.txn.HDel(mDDLJobReorgKey, m.jobIDKey(job.ID))
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
// GetDDLReorgHandle gets the latest processed handle.
|
|
func (m *Meta) GetDDLReorgHandle(job *model.Job) (int64, error) {
|
|
value, err := m.txn.HGetInt64(mDDLJobReorgKey, m.jobIDKey(job.ID))
|
|
return value, errors.Trace(err)
|
|
}
|
|
|
|
// DDL background job structure
|
|
// BgJobOnwer: []byte
|
|
// BgJobList: list jobs
|
|
// BgJobHistory: hash
|
|
// BgJobReorg: hash
|
|
//
|
|
// for multi background worker, only one can become the owner
|
|
// to operate background job, and dispatch them to MR background job.
|
|
|
|
var (
|
|
mBgJobOwnerKey = []byte("BgJobOwner")
|
|
mBgJobListKey = []byte("BgJobList")
|
|
mBgJobHistoryKey = []byte("BgJobHistory")
|
|
)
|
|
|
|
// UpdateBgJob updates the background job with index.
|
|
func (m *Meta) UpdateBgJob(index int64, job *model.Job) error {
|
|
return m.updateDDLJob(index, job, mBgJobListKey)
|
|
}
|
|
|
|
// GetBgJob returns the background job with index.
|
|
func (m *Meta) GetBgJob(index int64) (*model.Job, error) {
|
|
job, err := m.getDDLJob(mBgJobListKey, index)
|
|
|
|
return job, errors.Trace(err)
|
|
}
|
|
|
|
// EnQueueBgJob adds a background job to the list.
|
|
func (m *Meta) EnQueueBgJob(job *model.Job) error {
|
|
return m.enQueueDDLJob(mBgJobListKey, job)
|
|
}
|
|
|
|
// BgJobQueueLen returns the background job queue length.
|
|
func (m *Meta) BgJobQueueLen() (int64, error) {
|
|
return m.txn.LLen(mBgJobListKey)
|
|
}
|
|
|
|
// AddHistoryBgJob adds background job to history.
|
|
func (m *Meta) AddHistoryBgJob(job *model.Job) error {
|
|
return m.addHistoryDDLJob(mBgJobHistoryKey, job)
|
|
}
|
|
|
|
// GetHistoryBgJob gets a history background job.
|
|
func (m *Meta) GetHistoryBgJob(id int64) (*model.Job, error) {
|
|
return m.getHistoryDDLJob(mBgJobHistoryKey, id)
|
|
}
|
|
|
|
// DeQueueBgJob pops a background job from the list.
|
|
func (m *Meta) DeQueueBgJob() (*model.Job, error) {
|
|
return m.deQueueDDLJob(mBgJobListKey)
|
|
}
|
|
|
|
// GetBgJobOwner gets the current background job owner.
|
|
func (m *Meta) GetBgJobOwner() (*model.Owner, error) {
|
|
return m.getJobOwner(mBgJobOwnerKey)
|
|
}
|
|
|
|
// SetBgJobOwner sets the current background job owner.
|
|
func (m *Meta) SetBgJobOwner(o *model.Owner) error {
|
|
return m.setJobOwner(mBgJobOwnerKey, o)
|
|
}
|