mirror of
https://github.com/Syngnat/GoNavi.git
synced 2026-05-07 08:22:42 +08:00
0daf702d25
- 统一同库同步与跨库迁移入口，补充模式区分与风险提示 - 扩展 ClickHouse 与 PG-like 双向迁移，并新增 PG-like、ClickHouse、TDengine 到 MongoDB 的迁移路由 - 完善 TDengine 目标端建表规划、回归测试与需求追踪文档 - refs #51
516 lines
20 KiB
Go
516 lines
20 KiB
Go
package sync
|
||
|
||
import (
|
||
"GoNavi-Wails/internal/connection"
|
||
"GoNavi-Wails/internal/db"
|
||
"GoNavi-Wails/internal/logger"
|
||
"fmt"
|
||
"sort"
|
||
"strings"
|
||
"time"
|
||
)
|
||
|
||
// SyncConfig defines the parameters for a synchronization task
|
||
type SyncConfig struct {
|
||
SourceConfig connection.ConnectionConfig `json:"sourceConfig"`
|
||
TargetConfig connection.ConnectionConfig `json:"targetConfig"`
|
||
Tables []string `json:"tables"`
|
||
Content string `json:"content,omitempty"` // "data", "schema", "both"
|
||
Mode string `json:"mode"` // "insert_update", "insert_only", "full_overwrite"
|
||
JobID string `json:"jobId,omitempty"`
|
||
AutoAddColumns bool `json:"autoAddColumns,omitempty"` // 自动补齐缺失字段
|
||
TargetTableStrategy string `json:"targetTableStrategy,omitempty"`
|
||
CreateIndexes bool `json:"createIndexes,omitempty"`
|
||
MongoCollectionName string `json:"mongoCollectionName,omitempty"`
|
||
TableOptions map[string]TableOptions `json:"tableOptions,omitempty"`
|
||
}
|
||
|
||
// SyncResult holds the result of the sync operation
|
||
type SyncResult struct {
|
||
Success bool `json:"success"`
|
||
Message string `json:"message"`
|
||
Logs []string `json:"logs"`
|
||
TablesSynced int `json:"tablesSynced"`
|
||
RowsInserted int `json:"rowsInserted"`
|
||
RowsUpdated int `json:"rowsUpdated"`
|
||
RowsDeleted int `json:"rowsDeleted"`
|
||
}
|
||
|
||
type SyncEngine struct {
|
||
reporter Reporter
|
||
}
|
||
|
||
func NewSyncEngine(reporter Reporter) *SyncEngine {
|
||
return &SyncEngine{reporter: reporter}
|
||
}
|
||
|
||
// CompareAndSync performs the synchronization
|
||
func (s *SyncEngine) RunSync(config SyncConfig) SyncResult {
|
||
result := SyncResult{Success: true, Logs: []string{}}
|
||
logger.Infof("开始数据同步：源=%s 目标=%s 表数量=%d", formatConnSummaryForSync(config.SourceConfig), formatConnSummaryForSync(config.TargetConfig), len(config.Tables))
|
||
if isRedisToMongoKeyspacePair(config) {
|
||
return s.runRedisToMongoSync(config, result)
|
||
}
|
||
if isMongoToRedisKeyspacePair(config) {
|
||
return s.runMongoToRedisSync(config, result)
|
||
}
|
||
|
||
totalTables := len(config.Tables)
|
||
s.progress(config.JobID, 0, totalTables, "", "开始同步")
|
||
|
||
contentRaw := strings.ToLower(strings.TrimSpace(config.Content))
|
||
syncSchema := false
|
||
syncData := true
|
||
switch contentRaw {
|
||
case "", "data":
|
||
syncData = true
|
||
case "schema":
|
||
syncSchema = true
|
||
syncData = false
|
||
case "both":
|
||
syncSchema = true
|
||
syncData = true
|
||
default:
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("未知同步内容 %q，已自动使用仅同步数据", config.Content))
|
||
syncData = true
|
||
}
|
||
|
||
modeRaw := strings.ToLower(strings.TrimSpace(config.Mode))
|
||
if modeRaw != "" && modeRaw != "insert_update" && modeRaw != "insert_only" && modeRaw != "full_overwrite" {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("未知同步模式 %q，已自动使用 insert_update", config.Mode))
|
||
}
|
||
defaultMode := normalizeSyncMode(config.Mode)
|
||
strategy := normalizeTargetTableStrategy(config.TargetTableStrategy)
|
||
|
||
contentLabel := "仅同步数据"
|
||
if syncSchema && syncData {
|
||
contentLabel = "同步结构+数据"
|
||
} else if syncSchema {
|
||
contentLabel = "仅同步结构"
|
||
}
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("同步内容：%s；模式：%s；自动补字段：%v；目标表策略：%s；创建索引：%v", contentLabel, defaultMode, config.AutoAddColumns, strategy, config.CreateIndexes))
|
||
|
||
sourceDB, err := newSyncDatabase(config.SourceConfig.Type)
|
||
if err != nil {
|
||
logger.Error(err, "初始化源数据库驱动失败：类型=%s", config.SourceConfig.Type)
|
||
return s.fail(config.JobID, totalTables, result, "初始化源数据库驱动失败: "+err.Error())
|
||
}
|
||
if config.SourceConfig.Type == "custom" {
|
||
// Custom DB setup would go here if needed
|
||
}
|
||
|
||
targetDB, err := newSyncDatabase(config.TargetConfig.Type)
|
||
if err != nil {
|
||
logger.Error(err, "初始化目标数据库驱动失败：类型=%s", config.TargetConfig.Type)
|
||
return s.fail(config.JobID, totalTables, result, "初始化目标数据库驱动失败: "+err.Error())
|
||
}
|
||
|
||
// Connect Source
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("正在连接源数据库: %s...", config.SourceConfig.Host))
|
||
s.progress(config.JobID, 0, totalTables, "", "连接源数据库")
|
||
if err := sourceDB.Connect(config.SourceConfig); err != nil {
|
||
logger.Error(err, "源数据库连接失败：%s", formatConnSummaryForSync(config.SourceConfig))
|
||
return s.fail(config.JobID, totalTables, result, "源数据库连接失败: "+err.Error())
|
||
}
|
||
defer sourceDB.Close()
|
||
|
||
// Connect Target
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("正在连接目标数据库: %s...", config.TargetConfig.Host))
|
||
s.progress(config.JobID, 0, totalTables, "", "连接目标数据库")
|
||
if err := targetDB.Connect(config.TargetConfig); err != nil {
|
||
logger.Error(err, "目标数据库连接失败：%s", formatConnSummaryForSync(config.TargetConfig))
|
||
return s.fail(config.JobID, totalTables, result, "目标数据库连接失败: "+err.Error())
|
||
}
|
||
defer targetDB.Close()
|
||
|
||
for i, tableName := range config.Tables {
|
||
func() {
|
||
tableMode := defaultMode
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("正在同步表: %s", tableName))
|
||
s.progress(config.JobID, i, totalTables, tableName, fmt.Sprintf("同步表(%d/%d)", i+1, totalTables))
|
||
defer s.progress(config.JobID, i+1, totalTables, tableName, "表处理完成")
|
||
|
||
plan, cols, targetCols, err := buildSchemaMigrationPlan(config, tableName, sourceDB, targetDB)
|
||
if err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("生成迁移计划失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
for _, warning := range plan.Warnings {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> %s", warning))
|
||
}
|
||
for _, unsupported := range plan.UnsupportedObjects {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> %s", unsupported))
|
||
}
|
||
if strings.TrimSpace(plan.PlannedAction) != "" {
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf(" -> %s", plan.PlannedAction))
|
||
}
|
||
|
||
if !plan.TargetTableExists && !plan.AutoCreate {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("表 %s 目标表不存在，当前策略不允许自动建表，已跳过", tableName))
|
||
return
|
||
}
|
||
|
||
if !plan.TargetTableExists && plan.AutoCreate {
|
||
s.progress(config.JobID, i, totalTables, tableName, "创建目标表")
|
||
if len(plan.PreDataSQL) > 0 {
|
||
if err := executeSQLStatements(targetDB.Exec, plan.PreDataSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("预执行建表 SQL 失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
}
|
||
if strings.TrimSpace(plan.CreateTableSQL) == "" {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("表 %s 自动建表失败：建表 SQL 为空", tableName))
|
||
return
|
||
}
|
||
if _, err := targetDB.Exec(plan.CreateTableSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("创建目标表失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("目标表创建成功：%s", tableName))
|
||
targetCols, err = targetDB.GetColumns(plan.TargetSchema, plan.TargetTable)
|
||
if err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("创建目标表后获取字段失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
} else if len(plan.PreDataSQL) > 0 {
|
||
s.progress(config.JobID, i, totalTables, tableName, "同步表结构")
|
||
if err := executeSQLStatements(targetDB.Exec, plan.PreDataSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("同步表结构失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
targetCols, err = targetDB.GetColumns(plan.TargetSchema, plan.TargetTable)
|
||
if err != nil {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("补字段后刷新目标字段失败：表=%s 错误=%v", tableName, err))
|
||
}
|
||
}
|
||
|
||
if !syncData {
|
||
if len(plan.PostDataSQL) > 0 {
|
||
s.progress(config.JobID, i, totalTables, tableName, "创建索引")
|
||
if err := executeSQLStatements(targetDB.Exec, plan.PostDataSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("创建索引失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
}
|
||
result.TablesSynced++
|
||
return
|
||
}
|
||
|
||
targetType := resolveMigrationDBType(config.TargetConfig)
|
||
sourceType := resolveMigrationDBType(config.SourceConfig)
|
||
targetTable := plan.TargetTable
|
||
sourceQueryTable, targetQueryTable := plan.SourceQueryTable, plan.TargetQueryTable
|
||
applyTableName := targetTable
|
||
switch targetType {
|
||
case "postgres", "kingbase", "highgo", "vastbase", "sqlserver":
|
||
applyTableName = targetQueryTable
|
||
}
|
||
|
||
sourceColsByLower := make(map[string]connection.ColumnDefinition, len(cols))
|
||
for _, col := range cols {
|
||
if strings.TrimSpace(col.Name) == "" {
|
||
continue
|
||
}
|
||
sourceColsByLower[strings.ToLower(strings.TrimSpace(col.Name))] = col
|
||
}
|
||
|
||
pkCols := make([]string, 0, 2)
|
||
for _, col := range cols {
|
||
if col.Key == "PRI" || col.Key == "PK" {
|
||
pkCols = append(pkCols, col.Name)
|
||
}
|
||
}
|
||
requirePK := tableMode == "insert_update" && plan.TargetTableExists
|
||
pkCol := ""
|
||
if requirePK {
|
||
if len(pkCols) == 0 {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("表 %s 未找到主键，当前模式需要差异对比，已跳过", tableName))
|
||
return
|
||
}
|
||
if len(pkCols) > 1 {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf("表 %s 为复合主键（%s），当前暂不支持差异同步", tableName, strings.Join(pkCols, ",")))
|
||
return
|
||
}
|
||
pkCol = pkCols[0]
|
||
}
|
||
|
||
opts := TableOptions{Insert: true, Update: true, Delete: false}
|
||
if config.TableOptions != nil {
|
||
if t, ok := config.TableOptions[tableName]; ok {
|
||
opts = t
|
||
}
|
||
}
|
||
if !opts.Insert && !opts.Update && !opts.Delete {
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf("表 %s 未勾选任何操作，已跳过", tableName))
|
||
return
|
||
}
|
||
|
||
s.progress(config.JobID, i, totalTables, tableName, "读取源表数据")
|
||
sourceRows, _, err := sourceDB.Query(fmt.Sprintf("SELECT * FROM %s", quoteQualifiedIdentByType(sourceType, sourceQueryTable)))
|
||
if err != nil {
|
||
logger.Error(err, "读取源表失败：表=%s", tableName)
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("读取源表 %s 失败: %v", tableName, err))
|
||
return
|
||
}
|
||
|
||
var inserts []map[string]interface{}
|
||
var updates []connection.UpdateRow
|
||
var deletes []map[string]interface{}
|
||
|
||
if tableMode == "insert_update" && plan.TargetTableExists {
|
||
s.progress(config.JobID, i, totalTables, tableName, "读取目标表数据")
|
||
targetRows, _, err := targetDB.Query(fmt.Sprintf("SELECT * FROM %s", quoteQualifiedIdentByType(targetType, targetQueryTable)))
|
||
if err != nil {
|
||
logger.Error(err, "读取目标表失败：表=%s", tableName)
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("读取目标表 %s 失败: %v", tableName, err))
|
||
return
|
||
}
|
||
|
||
s.progress(config.JobID, i, totalTables, tableName, "对比差异")
|
||
targetMap := make(map[string]map[string]interface{}, len(targetRows))
|
||
for _, row := range targetRows {
|
||
if row[pkCol] == nil {
|
||
continue
|
||
}
|
||
pkVal := fmt.Sprintf("%v", row[pkCol])
|
||
if strings.TrimSpace(pkVal) == "" || pkVal == "<nil>" {
|
||
continue
|
||
}
|
||
targetMap[pkVal] = row
|
||
}
|
||
sourcePKSet := make(map[string]struct{}, len(sourceRows))
|
||
for _, sRow := range sourceRows {
|
||
if sRow[pkCol] == nil {
|
||
continue
|
||
}
|
||
pkVal := fmt.Sprintf("%v", sRow[pkCol])
|
||
if strings.TrimSpace(pkVal) == "" || pkVal == "<nil>" {
|
||
continue
|
||
}
|
||
sourcePKSet[pkVal] = struct{}{}
|
||
if tRow, exists := targetMap[pkVal]; exists {
|
||
changes := make(map[string]interface{})
|
||
for k, v := range sRow {
|
||
if fmt.Sprintf("%v", v) != fmt.Sprintf("%v", tRow[k]) {
|
||
changes[k] = v
|
||
}
|
||
}
|
||
if len(changes) > 0 {
|
||
updates = append(updates, connection.UpdateRow{Keys: map[string]interface{}{pkCol: sRow[pkCol]}, Values: changes})
|
||
}
|
||
} else {
|
||
inserts = append(inserts, sRow)
|
||
}
|
||
}
|
||
if opts.Delete {
|
||
for pkStr, row := range targetMap {
|
||
if _, ok := sourcePKSet[pkStr]; ok {
|
||
continue
|
||
}
|
||
deletes = append(deletes, map[string]interface{}{pkCol: row[pkCol]})
|
||
}
|
||
}
|
||
inserts = filterRowsByPKSelection(pkCol, inserts, opts.Insert, opts.SelectedInsertPKs)
|
||
updates = filterUpdatesByPKSelection(pkCol, updates, opts.Update, opts.SelectedUpdatePKs)
|
||
deletes = filterRowsByPKSelection(pkCol, deletes, opts.Delete, opts.SelectedDeletePKs)
|
||
} else {
|
||
inserts = sourceRows
|
||
if !opts.Insert {
|
||
inserts = nil
|
||
}
|
||
if tableMode == "full_overwrite" && plan.TargetTableExists {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> 全量覆盖模式：即将清空目标表 %s", tableName))
|
||
s.progress(config.JobID, i, totalTables, tableName, "清空目标表")
|
||
clearSQL := ""
|
||
if targetType == "mysql" {
|
||
clearSQL = fmt.Sprintf("TRUNCATE TABLE %s", quoteQualifiedIdentByType(targetType, targetQueryTable))
|
||
} else {
|
||
clearSQL = fmt.Sprintf("DELETE FROM %s", quoteQualifiedIdentByType(targetType, targetQueryTable))
|
||
}
|
||
if _, err := targetDB.Exec(clearSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf(" -> 清空目标表失败: %v", err))
|
||
return
|
||
}
|
||
}
|
||
}
|
||
|
||
changeSet := connection.ChangeSet{Inserts: inserts, Updates: updates, Deletes: deletes}
|
||
s.progress(config.JobID, i, totalTables, tableName, "检查字段一致性")
|
||
targetColsResolved := targetCols
|
||
if len(targetColsResolved) == 0 {
|
||
targetColsResolved, err = targetDB.GetColumns(plan.TargetSchema, plan.TargetTable)
|
||
if err != nil {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> 获取目标表字段失败，已跳过字段一致性检查: %v", err))
|
||
}
|
||
}
|
||
if len(targetColsResolved) > 0 {
|
||
targetColSet := make(map[string]struct{}, len(targetColsResolved))
|
||
for _, c := range targetColsResolved {
|
||
name := strings.ToLower(strings.TrimSpace(c.Name))
|
||
if name == "" {
|
||
continue
|
||
}
|
||
targetColSet[name] = struct{}{}
|
||
}
|
||
requiredCols := collectRequiredColumns(changeSet.Inserts, changeSet.Updates)
|
||
missing := make([]string, 0)
|
||
for lower, original := range requiredCols {
|
||
if _, ok := targetColSet[lower]; !ok {
|
||
missing = append(missing, original)
|
||
}
|
||
}
|
||
sort.Strings(missing)
|
||
if len(missing) > 0 {
|
||
if config.AutoAddColumns && supportsAutoAddColumnsForPair(sourceType, targetType) {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> 目标表缺少字段 %d 个，开始自动补齐: %s", len(missing), strings.Join(missing, ", ")))
|
||
added := 0
|
||
for _, colName := range missing {
|
||
colLower := strings.ToLower(strings.TrimSpace(colName))
|
||
srcCol, ok := sourceColsByLower[colLower]
|
||
if !ok {
|
||
continue
|
||
}
|
||
alterSQL, err := buildAddColumnSQLForPair(sourceType, targetType, targetQueryTable, srcCol)
|
||
if err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf(" -> 自动补字段失败：字段=%s 错误=%v", colName, err))
|
||
continue
|
||
}
|
||
if _, err := targetDB.Exec(alterSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf(" -> 自动补字段失败：字段=%s 错误=%v", colName, err))
|
||
continue
|
||
}
|
||
added++
|
||
targetColSet[colLower] = struct{}{}
|
||
}
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf(" -> 自动补字段完成：成功=%d 失败=%d", added, len(missing)-added))
|
||
} else {
|
||
s.appendLog(config.JobID, &result, "warn", fmt.Sprintf(" -> 目标表缺少字段 %d 个（未开启自动补齐），将自动忽略：%s", len(missing), strings.Join(missing, ", ")))
|
||
}
|
||
changeSet.Inserts = filterInsertRows(changeSet.Inserts, targetColSet)
|
||
changeSet.Updates = filterUpdateRows(changeSet.Updates, targetColSet)
|
||
}
|
||
}
|
||
|
||
s.progress(config.JobID, i, totalTables, tableName, "应用变更")
|
||
if len(changeSet.Inserts) > 0 || len(changeSet.Updates) > 0 || len(changeSet.Deletes) > 0 {
|
||
s.appendLog(config.JobID, &result, "info", fmt.Sprintf(" -> 需插入: %d 行, 需更新: %d 行, 需删除: %d 行", len(changeSet.Inserts), len(changeSet.Updates), len(changeSet.Deletes)))
|
||
if applier, ok := targetDB.(db.BatchApplier); ok {
|
||
if err := applier.ApplyChanges(applyTableName, changeSet); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf(" -> 应用变更失败: %v", err))
|
||
return
|
||
}
|
||
result.RowsInserted += len(changeSet.Inserts)
|
||
result.RowsUpdated += len(changeSet.Updates)
|
||
result.RowsDeleted += len(changeSet.Deletes)
|
||
} else {
|
||
s.appendLog(config.JobID, &result, "warn", " -> 目标驱动不支持应用数据变更 (ApplyChanges).")
|
||
return
|
||
}
|
||
} else {
|
||
s.appendLog(config.JobID, &result, "info", " -> 数据一致，无需变更.")
|
||
}
|
||
|
||
if len(plan.PostDataSQL) > 0 {
|
||
s.progress(config.JobID, i, totalTables, tableName, "创建索引")
|
||
if err := executeSQLStatements(targetDB.Exec, plan.PostDataSQL); err != nil {
|
||
s.appendLog(config.JobID, &result, "error", fmt.Sprintf("创建索引失败：表=%s 错误=%v", tableName, err))
|
||
return
|
||
}
|
||
}
|
||
|
||
result.TablesSynced++
|
||
}()
|
||
}
|
||
|
||
s.progress(config.JobID, totalTables, totalTables, "", "同步完成")
|
||
return result
|
||
}
|
||
|
||
func formatConnSummaryForSync(config connection.ConnectionConfig) string {
|
||
timeoutSeconds := config.Timeout
|
||
if timeoutSeconds <= 0 {
|
||
timeoutSeconds = 30
|
||
}
|
||
|
||
dbName := strings.TrimSpace(config.Database)
|
||
if dbName == "" {
|
||
dbName = "(default)"
|
||
}
|
||
|
||
return fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
|
||
config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds)
|
||
}
|
||
|
||
func (s *SyncEngine) appendLog(jobID string, res *SyncResult, level string, msg string) {
|
||
if res != nil {
|
||
res.Logs = append(res.Logs, msg)
|
||
}
|
||
if s.reporter.OnLog != nil && strings.TrimSpace(jobID) != "" {
|
||
s.reporter.OnLog(SyncLogEvent{
|
||
JobID: jobID,
|
||
Level: level,
|
||
Message: msg,
|
||
Ts: time.Now().UnixMilli(),
|
||
})
|
||
}
|
||
}
|
||
|
||
func (s *SyncEngine) progress(jobID string, current, total int, table string, stage string) {
|
||
if s.reporter.OnProgress == nil || strings.TrimSpace(jobID) == "" {
|
||
return
|
||
}
|
||
percent := 0
|
||
if total <= 0 {
|
||
if current > 0 {
|
||
percent = 100
|
||
}
|
||
} else {
|
||
if current < 0 {
|
||
current = 0
|
||
}
|
||
if current > total {
|
||
current = total
|
||
}
|
||
percent = (current * 100) / total
|
||
}
|
||
s.reporter.OnProgress(SyncProgressEvent{
|
||
JobID: jobID,
|
||
Percent: percent,
|
||
Current: current,
|
||
Total: total,
|
||
Table: table,
|
||
Stage: stage,
|
||
})
|
||
}
|
||
|
||
func (s *SyncEngine) fail(jobID string, totalTables int, res SyncResult, msg string) SyncResult {
|
||
res.Success = false
|
||
res.Message = msg
|
||
s.appendLog(jobID, &res, "error", "致命错误: "+msg)
|
||
s.progress(jobID, res.TablesSynced, totalTables, "", "同步失败")
|
||
return res
|
||
}
|
||
|
||
func (s *SyncEngine) execDDLStatements(jobID string, res *SyncResult, database db.Database, tableName string, stage string, statements []string) error {
|
||
for _, statement := range statements {
|
||
sqlText := strings.TrimSpace(statement)
|
||
if sqlText == "" {
|
||
continue
|
||
}
|
||
if _, err := database.Exec(sqlText); err != nil {
|
||
return fmt.Errorf("%s失败: %w", stage, err)
|
||
}
|
||
s.appendLog(jobID, res, "info", fmt.Sprintf("表 %s %s成功：%s", tableName, stage, shortenSyncSQL(sqlText)))
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func shortenSyncSQL(sqlText string) string {
|
||
text := strings.TrimSpace(strings.ReplaceAll(strings.ReplaceAll(sqlText, "\n", " "), "\t", " "))
|
||
text = strings.Join(strings.Fields(text), " ")
|
||
if len(text) <= 120 {
|
||
return text
|
||
}
|
||
return text[:117] + "..."
|
||
}
|