mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-06 10:00:24 +08:00
561 lines
14 KiB
Go
561 lines
14 KiB
Go
package setup
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import (
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"errors"
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"fmt"
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"github.com/go-sql-driver/mysql"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/lists"
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"github.com/iwind/TeaGo/types"
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"io"
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"regexp"
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"runtime"
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"sort"
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"strings"
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"sync"
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)
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var recordsTables = []*SQLRecordsTable{
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{
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TableName: "edgeRegionCountries",
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UniqueFields: []string{"name"},
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ExceptFields: []string{"customName", "customCodes"},
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},
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{
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TableName: "edgeRegionProvinces",
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UniqueFields: []string{"name", "countryId"},
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ExceptFields: []string{"customName", "customCodes"},
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},
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{
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TableName: "edgeRegionCities",
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UniqueFields: []string{"name", "provinceId"},
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ExceptFields: []string{"customName", "customCodes"},
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},
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{
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TableName: "edgeRegionTowns",
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UniqueFields: []string{"name", "cityId"},
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ExceptFields: []string{"customName", "customCodes"},
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},
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{
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TableName: "edgeRegionProviders",
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UniqueFields: []string{"name"},
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ExceptFields: []string{"customName", "customCodes"},
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},
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{
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TableName: "edgeFormalClientSystems",
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UniqueFields: []string{"dataId"},
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},
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{
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TableName: "edgeFormalClientBrowsers",
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UniqueFields: []string{"dataId"},
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},
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{
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TableName: "edgeClientAgents",
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UniqueFields: []string{"code"},
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},
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{
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TableName: "edgeClientAgentIPs",
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UniqueFields: []string{"agentId", "ip"},
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},
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}
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type sqlItem struct {
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sqlString string
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args []any
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}
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type SQLDump struct {
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logWriter io.Writer
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}
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func NewSQLDump() *SQLDump {
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return &SQLDump{}
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}
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func (this *SQLDump) SetLogWriter(logWriter io.Writer) {
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this.logWriter = logWriter
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}
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// Dump 导出数据
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func (this *SQLDump) Dump(db *dbs.DB, includingRecords bool) (result *SQLDumpResult, err error) {
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result = &SQLDumpResult{}
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tableNames, err := db.TableNames()
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if err != nil {
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return result, err
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}
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fullTableMap, err := this.findFullTables(db, tableNames)
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if err != nil {
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return nil, err
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}
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var autoIncrementReg = regexp.MustCompile(` AUTO_INCREMENT=\d+`)
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for _, table := range fullTableMap {
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var tableName = table.Name
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// 忽略一些分表
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if strings.HasPrefix(strings.ToLower(tableName), strings.ToLower("edgeHTTPAccessLogs_")) {
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continue
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}
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if strings.HasPrefix(strings.ToLower(tableName), strings.ToLower("edgeNSAccessLogs_")) {
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continue
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}
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var sqlTable = &SQLTable{
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Name: table.Name,
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Engine: table.Engine,
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Charset: table.Collation,
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Definition: autoIncrementReg.ReplaceAllString(table.Code, ""),
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}
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// 字段
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var fields = []*SQLField{}
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for _, field := range table.Fields {
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fields = append(fields, &SQLField{
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Name: field.Name,
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Definition: field.Definition(),
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})
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}
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sqlTable.Fields = fields
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// 索引
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var indexes = []*SQLIndex{}
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for _, index := range table.Indexes {
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indexes = append(indexes, &SQLIndex{
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Name: index.Name,
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Definition: index.Definition(),
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})
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}
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sqlTable.Indexes = indexes
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// Records
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var records = []*SQLRecord{}
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if includingRecords {
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recordsTable := this.findRecordsTable(tableName)
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if recordsTable != nil {
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ones, _, err := db.FindOnes("SELECT * FROM " + tableName + " ORDER BY id ASC")
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if err != nil {
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return result, err
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}
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for _, one := range ones {
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record := &SQLRecord{
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Id: one.GetInt64("id"),
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Values: map[string]string{},
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UniqueFields: recordsTable.UniqueFields,
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ExceptFields: recordsTable.ExceptFields,
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}
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for k, v := range one {
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// 需要排除的字段
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if lists.ContainsString(record.ExceptFields, k) {
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continue
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}
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record.Values[k] = types.String(v)
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}
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records = append(records, record)
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}
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}
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}
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sqlTable.Records = records
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result.Tables = append(result.Tables, sqlTable)
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}
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return
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}
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// Apply 应用数据
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func (this *SQLDump) Apply(db *dbs.DB, newResult *SQLDumpResult, showLog bool) (ops []string, err error) {
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// 设置Innodb事务提交模式
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{
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// 检查是否为root用户
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config, _ := db.Config()
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if config == nil {
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return nil, nil
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}
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dsnConfig, err := mysql.ParseDSN(config.Dsn)
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if err != nil || dsnConfig == nil {
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return nil, err
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}
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if dsnConfig.User == "root" {
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result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='innodb_flush_log_at_trx_commit'")
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if err == nil && result != nil {
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var oldValue = result.GetInt("Value")
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if oldValue == 1 {
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_, _ = db.Exec("SET GLOBAL innodb_flush_log_at_trx_commit=2")
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}
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}
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}
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}
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// 执行队列
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var execQueue = make(chan *sqlItem, 256)
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var threads = 32
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var wg = sync.WaitGroup{}
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wg.Add(threads + 1 /** applyQueue **/)
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var applyOps []string
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var applyErr error
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go func() {
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defer wg.Done()
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defer close(execQueue)
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applyOps, applyErr = this.applyQueue(db, newResult, showLog, execQueue)
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}()
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var sqlErrors = []error{}
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var sqlErrLocker = &sync.Mutex{}
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for i := 0; i < threads; i++ {
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go func() {
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defer wg.Done()
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for item := range execQueue {
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_, err := db.Exec(item.sqlString, item.args...)
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if err != nil {
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sqlErrLocker.Lock()
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sqlErrors = append(sqlErrors, errors.New(item.sqlString+": "+err.Error()))
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sqlErrLocker.Unlock()
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break
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}
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}
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}()
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}
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wg.Wait()
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if applyErr != nil {
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return nil, applyErr
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}
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if len(sqlErrors) == 0 {
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// 升级数据
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err = UpgradeSQLData(db)
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if err != nil {
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return nil, errors.New("upgrade data failed: " + err.Error())
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}
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return applyOps, nil
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}
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return nil, sqlErrors[0]
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}
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func (this *SQLDump) applyQueue(db *dbs.DB, newResult *SQLDumpResult, showLog bool, queue chan *sqlItem) (ops []string, err error) {
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var execSQL = func(sqlString string, args ...any) {
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queue <- &sqlItem{
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sqlString: sqlString,
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args: args,
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}
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}
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currentResult, err := this.Dump(db, false)
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if err != nil {
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return nil, err
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}
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// 新增表格
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for _, newTable := range newResult.Tables {
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var oldTable = currentResult.FindTable(newTable.Name)
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if oldTable == nil {
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var op = "+ table " + newTable.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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if len(newTable.Records) == 0 {
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execSQL(newTable.Definition)
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} else {
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_, err = db.Exec(newTable.Definition)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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} else if oldTable.Definition != newTable.Definition {
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// 对比字段
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// +
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for _, newField := range newTable.Fields {
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var oldField = oldTable.FindField(newField.Name)
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if oldField == nil {
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var op = "+ " + newTable.Name + " " + newField.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + newTable.Name + " ADD `" + newField.Name + "` " + newField.Definition)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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} else if !newField.EqualDefinition(oldField.Definition) {
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var op = "* " + newTable.Name + " " + newField.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + newTable.Name + " MODIFY `" + newField.Name + "` " + newField.Definition)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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}
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// 对比索引
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// +
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for _, newIndex := range newTable.Indexes {
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var oldIndex = oldTable.FindIndex(newIndex.Name)
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if oldIndex == nil {
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var op = "+ index " + newTable.Name + " " + newIndex.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + newTable.Name + " ADD " + newIndex.Definition)
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if err != nil {
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err = this.tryCreateIndex(err, db, newTable.Name, newIndex.Definition)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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} else if oldIndex.Definition != newIndex.Definition {
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var op = "* index " + newTable.Name + " " + newIndex.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + newTable.Name + " DROP KEY " + newIndex.Name)
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if err != nil {
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return nil, errors.New("'" + op + "' drop old key failed: " + err.Error())
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}
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_, err = db.Exec("ALTER TABLE " + newTable.Name + " ADD " + newIndex.Definition)
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if err != nil {
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err = this.tryCreateIndex(err, db, newTable.Name, newIndex.Definition)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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}
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}
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// -
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for _, oldIndex := range oldTable.Indexes {
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var newIndex = newTable.FindIndex(oldIndex.Name)
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if newIndex == nil {
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var op = "- index " + oldTable.Name + " " + oldIndex.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + oldTable.Name + " DROP KEY " + oldIndex.Name)
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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}
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// 对比字段
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// -
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for _, oldField := range oldTable.Fields {
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var newField = newTable.FindField(oldField.Name)
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if newField == nil {
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var op = "- field " + oldTable.Name + " " + oldField.Name
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ops = append(ops, op)
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if showLog {
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this.log(op)
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}
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_, err = db.Exec("ALTER TABLE " + oldTable.Name + " DROP COLUMN `" + oldField.Name + "`")
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if err != nil {
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return nil, errors.New("'" + op + "' failed: " + err.Error())
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}
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}
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}
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}
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// 对比记录
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// +
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for _, record := range newTable.Records {
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var queryArgs = []string{}
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var queryValues = []any{}
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var valueStrings = []string{}
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for _, field := range record.UniqueFields {
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queryArgs = append(queryArgs, field+"=?")
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queryValues = append(queryValues, record.Values[field])
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valueStrings = append(valueStrings, record.Values[field])
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}
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var recordId int64
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for field, recordValue := range record.Values {
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if field == "id" {
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recordId = types.Int64(recordValue)
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break
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}
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}
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queryValues = append(queryValues, recordId)
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one, err := db.FindOne("SELECT * FROM "+newTable.Name+" WHERE (("+strings.Join(queryArgs, " AND ")+") OR id=?)", queryValues...)
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if err != nil {
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return nil, err
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}
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if one == nil {
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ops = append(ops, "+ record "+newTable.Name+" "+strings.Join(valueStrings, ", "))
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if showLog {
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this.log("+ record " + newTable.Name + " " + strings.Join(valueStrings, ", "))
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}
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var params = []string{}
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var args = []string{}
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var values = []any{}
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for k, v := range record.Values {
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// 需要排除的字段
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if lists.ContainsString(record.ExceptFields, k) {
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continue
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}
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// ID需要保留，因为各个表格之间需要有对应关系
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params = append(params, "`"+k+"`")
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args = append(args, "?")
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values = append(values, v)
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}
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execSQL("INSERT INTO "+newTable.Name+" ("+strings.Join(params, ", ")+") VALUES ("+strings.Join(args, ", ")+")", values...)
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} else if !record.ValuesEquals(one) {
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ops = append(ops, "* record "+newTable.Name+" "+strings.Join(valueStrings, ", "))
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if showLog {
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this.log("* record " + newTable.Name + " " + strings.Join(valueStrings, ", "))
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}
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var args = []string{}
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var values = []any{}
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for k, v := range record.Values {
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if k == "id" {
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continue
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}
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// 需要排除的字段
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if lists.ContainsString(record.ExceptFields, k) {
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continue
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}
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args = append(args, "`"+k+"`"+"=?")
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values = append(values, v)
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}
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values = append(values, one.GetInt("id"))
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execSQL("UPDATE "+newTable.Name+" SET "+strings.Join(args, ", ")+" WHERE id=?", values...)
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}
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}
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}
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// 减少表格
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// 由于我们不删除任何表格，所以这里什么都不做
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return
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}
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// 查找所有表的完整信息
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func (this *SQLDump) findFullTables(db *dbs.DB, tableNames []string) ([]*dbs.Table, error) {
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var fullTables = []*dbs.Table{}
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if len(tableNames) == 0 {
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return fullTables, nil
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}
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var locker = &sync.Mutex{}
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var queue = make(chan string, len(tableNames))
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for _, tableName := range tableNames {
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queue <- tableName
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}
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var wg = &sync.WaitGroup{}
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var concurrent = 8
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if runtime.NumCPU() > 4 {
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concurrent = 32
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}
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wg.Add(concurrent)
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var lastErr error
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for i := 0; i < concurrent; i++ {
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go func() {
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defer wg.Done()
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for {
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select {
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case tableName := <-queue:
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table, err := db.FindFullTable(tableName)
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if err != nil {
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locker.Lock()
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lastErr = err
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locker.Unlock()
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return
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}
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locker.Lock()
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table.Name = tableName
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fullTables = append(fullTables, table)
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locker.Unlock()
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default:
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return
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}
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}
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}()
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}
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wg.Wait()
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if lastErr != nil {
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return nil, lastErr
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}
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// 排序
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sort.Slice(fullTables, func(i, j int) bool {
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return fullTables[i].Name < fullTables[j].Name
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})
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return fullTables, nil
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}
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// 查找有记录的表
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func (this *SQLDump) findRecordsTable(tableName string) *SQLRecordsTable {
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for _, table := range recordsTables {
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if table.TableName == tableName {
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return table
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}
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}
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return nil
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}
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// 创建索引
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func (this *SQLDump) tryCreateIndex(err error, db *dbs.DB, tableName string, indexDefinition string) error {
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if err == nil {
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return nil
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}
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// 处理Duplicate entry
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if strings.Contains(err.Error(), "Error 1062: Duplicate entry") && (strings.HasSuffix(tableName, "Stats") || strings.HasSuffix(tableName, "Values")) {
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var tries = 5 // 尝试次数
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for i := 0; i < tries; i++ {
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_, err = db.Exec("TRUNCATE TABLE " + tableName)
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if err != nil {
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if i == tries-1 {
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return err
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}
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continue
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}
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_, err = db.Exec("ALTER TABLE " + tableName + " ADD " + indexDefinition)
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if err != nil {
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if i == tries-1 {
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return err
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}
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} else {
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return nil
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}
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}
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}
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return err
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}
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||
// 打印操作日志
|
||
func (this *SQLDump) log(message string) {
|
||
if this.logWriter != nil {
|
||
_, _ = this.logWriter.Write([]byte(message + "\n"))
|
||
} else {
|
||
fmt.Println(message)
|
||
}
|
||
}
|