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959 lines
31 KiB
Go
959 lines
31 KiB
Go
package app
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"GoNavi-Wails/internal/connection"
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"GoNavi-Wails/internal/db"
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"GoNavi-Wails/internal/logger"
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"GoNavi-Wails/internal/sqlaudit"
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"github.com/google/uuid"
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)
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const sqlEditorTransactionFinishTimeout = 30 * time.Second
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type managedSQLStatementObservation struct {
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Statement string
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StatementIndex int
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StatementCount int
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StartedAt time.Time
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CompletedAt time.Time
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Duration time.Duration
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RowsAffected int64
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RowsReturned int64
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Err error
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}
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type managedSQLStatementObserver func(managedSQLStatementObservation)
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func withManagedSQLStatementAuditTimestamp(
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observer managedSQLStatementObserver,
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events *[]sqlaudit.Event,
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) managedSQLStatementObserver {
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if observer == nil {
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return nil
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}
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return func(observation managedSQLStatementObservation) {
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before := 0
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if events != nil {
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before = len(*events)
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}
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observer(observation)
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if events == nil || observation.CompletedAt.IsZero() {
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return
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}
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for index := before; index < len(*events); index++ {
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(*events)[index].Timestamp = observation.CompletedAt.UnixMilli()
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}
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}
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}
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// DBQueryMultiTransactional executes SQL editor DML in a managed transaction.
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// The transaction stays open until DBCommitTransaction or DBRollbackTransaction
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// is called by the SQL editor UI.
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func (a *App) DBQueryMultiTransactional(config connection.ConnectionConfig, dbName string, query string, queryID string) (result connection.QueryResult) {
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runConfig := normalizeRunConfig(config, dbName)
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transactionDBType := resolveDDLDBType(runConfig)
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transactionConfig := runConfig
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transactionConfig.Type = transactionDBType
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buildManagedTransactionUnsupportedMessage := func() string {
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return a.appText("db.backend.error.managed_transaction_unsupported", map[string]any{
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"dbType": transactionDBType,
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})
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}
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appendRollbackFailureMessage := func(baseErr error, rollbackErr error) error {
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if rollbackErr == nil {
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return baseErr
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}
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rollbackMessage := a.appText("db.backend.error.transaction_rollback_failed", map[string]any{
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"detail": rollbackErr.Error(),
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})
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if baseErr == nil {
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return fmt.Errorf("%s", rollbackMessage)
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}
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return fmt.Errorf("%s; %s", baseErr.Error(), rollbackMessage)
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}
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if queryID == "" {
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queryID = generateQueryID()
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}
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query = sanitizeSQLForPgLike(transactionDBType, query)
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if !shouldUseManagedSQLTransaction(transactionDBType, query) {
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return a.DBQueryMulti(config, dbName, query, queryID)
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}
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transactionID := "sql-editor-" + uuid.NewString()
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transactionAuditOpened := false
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transactionBoundaryMode := "unknown"
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defer func() {
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if transactionAuditOpened {
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return
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}
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a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
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Config: transactionConfig,
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Database: dbName,
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DBType: transactionDBType,
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QueryID: queryID,
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TransactionID: transactionID,
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EventType: "transaction_begin",
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Status: sqlAuditStatusFromResult(result),
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Source: "query_editor",
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CommitMode: "pending",
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BoundaryMode: transactionBoundaryMode,
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SQL: query,
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StatementCount: countSQLAuditStatements(query),
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Err: sqlAuditErrorFromResult(result),
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})
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}()
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if err := ensureConnectionAllowsQuery(config, query); err != nil {
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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var queryExecutionDuration time.Duration
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defer func() {
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if !result.Success {
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return
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}
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durationMs := queryExecutionDuration.Milliseconds()
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a.recordQueryExecution(config, dbName, transactionDBType, query, durationMs, 0, queryResultRowsReturned(result))
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}()
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beginSQL, commitSQL, rollbackSQL, hasTextTransaction := sqlFileBatchTransactionSQL(transactionDBType)
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implicitTextTransaction := false
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if implicitCommitSQL, implicitRollbackSQL, ok := sqlEditorImplicitTransactionSQL(transactionDBType); ok {
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commitSQL = implicitCommitSQL
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rollbackSQL = implicitRollbackSQL
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hasTextTransaction = true
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implicitTextTransaction = true
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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logger.Error(err, "DBQueryMultiTransactional 获取连接失败：%s", formatConnSummary(runConfig))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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ctx, cancel := newQueryExecutionContext(runConfig)
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defer cancel()
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a.queryMu.Lock()
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a.runningQueries[queryID] = queryContext{
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cancel: cancel,
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started: time.Now(),
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}
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a.queryMu.Unlock()
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defer func() {
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a.queryMu.Lock()
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delete(a.runningQueries, queryID)
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a.queryMu.Unlock()
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}()
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var (
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sessionExecer db.StatementExecer
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transactor db.TransactionExecer
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transactionCancel context.CancelFunc
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startTextTransaction bool
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)
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if provider, ok := dbInst.(db.TransactionExecerProvider); ok {
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transactionBoundaryMode = "driver_api"
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// database/sql rolls back a BeginTx transaction when its context is cancelled.
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// SQL editor transactions must outlive the execution RPC and be ended only by
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// explicit commit, rollback, or shutdown cleanup.
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transactionContext := context.Background()
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transactionContext, transactionCancel = context.WithCancel(transactionContext)
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transactionExecer, err := provider.OpenTransactionExecer(transactionContext)
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if err != nil {
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transactionCancel()
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logger.Error(err, "DBQueryMultiTransactional 打开驱动事务失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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sessionExecer = transactionExecer
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transactor = transactionExecer
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} else if implicitTextTransaction {
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transactionBoundaryMode = "implicit"
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provider, ok := dbInst.(db.SessionExecerProvider)
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if !ok {
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return connection.QueryResult{
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Success: false,
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Message: buildManagedTransactionUnsupportedMessage(),
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QueryID: queryID,
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}
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}
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sessionExecer, err = provider.OpenSessionExecer(ctx)
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if err != nil {
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logger.Error(err, "DBQueryMultiTransactional 打开隐式事务会话失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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} else {
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transactionBoundaryMode = "text_sql"
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if !hasTextTransaction {
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return connection.QueryResult{
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Success: false,
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Message: buildManagedTransactionUnsupportedMessage(),
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QueryID: queryID,
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}
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}
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provider, ok := dbInst.(db.SessionExecerProvider)
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if !ok {
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return connection.QueryResult{
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Success: false,
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Message: buildManagedTransactionUnsupportedMessage(),
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QueryID: queryID,
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}
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}
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sessionExecer, err = provider.OpenSessionExecer(ctx)
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if err != nil {
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logger.Error(err, "DBQueryMultiTransactional 打开事务会话失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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startTextTransaction = true
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}
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closeSession := true
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defer func() {
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if closeSession {
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if err := sessionExecer.Close(); err != nil {
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logger.Warnf("DBQueryMultiTransactional 关闭事务会话失败：%v", err)
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}
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if transactionCancel != nil {
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transactionCancel()
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}
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}
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}()
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if startTextTransaction {
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if _, err := sessionExecer.ExecContext(ctx, beginSQL); err != nil {
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logger.Error(err, "DBQueryMultiTransactional 开启事务失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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}
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transactionAuditOpened = true
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a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
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Config: transactionConfig,
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Database: dbName,
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DBType: transactionDBType,
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QueryID: queryID,
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TransactionID: transactionID,
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EventType: "transaction_begin",
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Status: "success",
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Source: "query_editor",
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CommitMode: "pending",
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BoundaryMode: transactionBoundaryMode,
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})
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statements := splitSQLStatements(query)
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queryStartedAt := time.Now()
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statementAuditEvents := make([]sqlaudit.Event, 0, len(statements))
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resultSets, err := executeManagedSQLTransactionStatementsWithObserver(
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ctx,
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sessionExecer,
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transactionConfig,
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statements,
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a.appText,
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withManagedSQLStatementAuditTimestamp(
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a.sqlAuditTransactionStatementObserver(transactionConfig, dbName, transactionDBType, queryID, transactionID, transactionBoundaryMode, &statementAuditEvents),
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&statementAuditEvents,
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),
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)
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queryExecutionDuration += time.Since(queryStartedAt)
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a.appendSQLAuditEvents(statementAuditEvents)
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if err != nil {
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a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
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Config: transactionConfig,
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Database: dbName,
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DBType: transactionDBType,
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QueryID: queryID,
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TransactionID: transactionID,
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EventType: "transaction_rollback_requested",
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Status: "success",
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Source: "query_editor",
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CommitMode: "auto",
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BoundaryMode: transactionBoundaryMode,
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})
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var rollbackErr error
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if transactor != nil {
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rollbackErr = transactor.Rollback()
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} else if strings.TrimSpace(rollbackSQL) != "" {
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_, rollbackErr = sessionExecer.ExecContext(context.Background(), rollbackSQL)
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}
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if rollbackErr != nil {
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logger.Error(rollbackErr, "DBQueryMultiTransactional 执行失败后回滚失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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err = appendRollbackFailureMessage(err, rollbackErr)
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}
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a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
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Config: transactionConfig,
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Database: dbName,
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DBType: transactionDBType,
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QueryID: queryID,
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TransactionID: transactionID,
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EventType: "transaction_auto_rollback",
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Status: sqlAuditStatusFromError(rollbackErr),
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Source: "query_editor",
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CommitMode: "auto",
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BoundaryMode: transactionBoundaryMode,
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Err: rollbackErr,
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})
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logger.Error(err, "DBQueryMultiTransactional 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
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return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
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}
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a.sqlTransactionMu.Lock()
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if a.sqlTransactions == nil {
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a.sqlTransactions = make(map[string]*managedSQLTransaction)
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}
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a.sqlTransactions[transactionID] = &managedSQLTransaction{
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id: transactionID,
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execer: sessionExecer,
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transactor: transactor,
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cancel: transactionCancel,
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config: runConfig,
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dbType: transactionDBType,
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boundaryMode: transactionBoundaryMode,
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commitSQL: commitSQL,
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rollbackSQL: rollbackSQL,
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createdAt: time.Now(),
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}
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a.sqlTransactionMu.Unlock()
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closeSession = false
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return connection.QueryResult{
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Success: true,
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Data: resultSets,
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QueryID: queryID,
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TransactionID: transactionID,
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TransactionPending: true,
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}
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}
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// DBQueryMultiInTransaction executes follow-up SQL in an existing SQL editor managed transaction.
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// The transaction remains open until DBCommitTransaction or DBRollbackTransaction is called.
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func (a *App) DBQueryMultiInTransaction(transactionID string, query string, queryID string) (result connection.QueryResult) {
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transactionID = strings.TrimSpace(transactionID)
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if transactionID == "" {
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return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_id_required", nil), QueryID: queryID}
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}
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if queryID == "" {
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queryID = generateQueryID()
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}
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a.sqlTransactionMu.Lock()
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tx, ok := a.sqlTransactions[transactionID]
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a.sqlTransactionMu.Unlock()
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if !ok || tx == nil || tx.execer == nil {
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return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_not_found", nil), QueryID: queryID}
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}
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tx.mu.Lock()
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defer tx.mu.Unlock()
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if tx.finished || tx.execer == nil {
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return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_not_found", nil), QueryID: queryID}
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}
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runConfig := tx.config
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if strings.TrimSpace(runConfig.Type) == "" {
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runConfig.Type = tx.dbType
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}
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var queryExecutionDuration time.Duration
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defer func() {
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if !result.Success {
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return
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}
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durationMs := queryExecutionDuration.Milliseconds()
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a.recordQueryExecution(runConfig, "", tx.dbType, query, durationMs, 0, queryResultRowsReturned(result))
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}()
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query = sanitizeSQLForPgLike(tx.dbType, query)
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statements := splitSQLStatements(query)
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ctx, cancel := newQueryExecutionContext(runConfig)
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defer cancel()
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a.queryMu.Lock()
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a.runningQueries[queryID] = queryContext{
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cancel: cancel,
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started: time.Now(),
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}
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a.queryMu.Unlock()
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defer func() {
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a.queryMu.Lock()
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delete(a.runningQueries, queryID)
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a.queryMu.Unlock()
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}()
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queryStartedAt := time.Now()
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statementAuditEvents := make([]sqlaudit.Event, 0, len(statements))
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resultSets, err := executeManagedSQLTransactionStatementsWithObserver(
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ctx,
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tx.execer,
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runConfig,
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statements,
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a.appText,
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withManagedSQLStatementAuditTimestamp(
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a.sqlAuditTransactionStatementObserver(runConfig, runConfig.Database, tx.dbType, queryID, transactionID, tx.boundaryMode, &statementAuditEvents),
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&statementAuditEvents,
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),
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)
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queryExecutionDuration += time.Since(queryStartedAt)
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a.appendSQLAuditEvents(statementAuditEvents)
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if err != nil {
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logger.Error(err, "DBQueryMultiInTransaction 执行失败：id=%s dbType=%s SQL片段=%q", transactionID, tx.dbType, sqlSnippet(query))
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return connection.QueryResult{
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Success: false,
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Message: err.Error(),
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QueryID: queryID,
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TransactionID: transactionID,
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TransactionPending: true,
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}
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}
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return connection.QueryResult{
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Success: true,
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Data: resultSets,
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QueryID: queryID,
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TransactionID: transactionID,
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TransactionPending: true,
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}
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}
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func executeManagedSQLTransactionStatements(ctx context.Context, session db.StatementExecer, runConfig connection.ConnectionConfig, statements []string, text func(string, map[string]any) string) ([]connection.ResultSetData, error) {
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return executeManagedSQLTransactionStatementsWithObserver(ctx, session, runConfig, statements, text, nil)
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}
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func executeManagedSQLTransactionStatementsWithObserver(
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ctx context.Context,
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session db.StatementExecer,
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runConfig connection.ConnectionConfig,
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statements []string,
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text func(string, map[string]any) string,
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observer managedSQLStatementObserver,
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) ([]connection.ResultSetData, error) {
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if text == nil {
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text = defaultDBBackendText
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}
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resolvedDBType := resolveDDLDBType(runConfig)
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buildStatementExecutionFailedError := func(index int, err error) error {
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return fmt.Errorf("%s", text("db.backend.error.multi_statement_execution_failed", map[string]any{
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"index": index,
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"detail": err.Error(),
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}))
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}
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buildTransactionQueryUnsupportedError := func() error {
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return fmt.Errorf("%s", text("db.backend.error.transaction_query_unsupported", nil))
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}
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var resultSets []connection.ResultSetData
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sessionQueryTarget, _ := session.(db.StatementQueryExecer)
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sessionQueryMessageTarget, _ := session.(db.StatementQueryMessageExecer)
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sessionMultiQueryTarget, _ := session.(db.StatementMultiResultQueryExecer)
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sessionMultiQueryMessageTarget, _ := session.(db.StatementMultiResultQueryMessageExecer)
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statementCount := 0
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for _, statement := range statements {
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if strings.TrimSpace(statement) != "" {
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statementCount++
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}
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}
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statementIndex := 0
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for _, stmt := range statements {
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stmt = strings.TrimSpace(stmt)
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if stmt == "" {
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continue
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}
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statementIndex++
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statementStartedAt := time.Now()
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emitObservation := func(rowsAffected, rowsReturned int64, err error) {
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if observer == nil {
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return
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}
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completedAt := time.Now()
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observer(managedSQLStatementObservation{
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Statement: stmt,
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StatementIndex: statementIndex,
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StatementCount: statementCount,
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StartedAt: statementStartedAt,
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CompletedAt: completedAt,
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Duration: completedAt.Sub(statementStartedAt),
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RowsAffected: rowsAffected,
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RowsReturned: rowsReturned,
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Err: err,
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})
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}
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isReadStmt := isReadOnlySQLQuery(runConfig.Type, stmt)
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tryQueryStmtFirst := shouldTryQueryResultFirst(runConfig.Type, stmt)
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if isReadStmt || tryQueryStmtFirst {
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var (
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data []map[string]interface{}
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columns []string
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messages []string
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statementResults []connection.ResultSetData
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usedMultiResult bool
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err error
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)
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if isReadStmt && shouldPreferPlainReadQueryResult(resolvedDBType) {
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if sessionQueryMessageTarget != nil {
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data, columns, messages, err = sessionQueryMessageTarget.QueryContextWithMessages(ctx, stmt)
|
||
} else if sessionQueryTarget != nil {
|
||
data, columns, err = sessionQueryTarget.QueryContext(ctx, stmt)
|
||
} else {
|
||
err = buildTransactionQueryUnsupportedError()
|
||
}
|
||
} else if sessionMultiQueryMessageTarget != nil {
|
||
statementResults, messages, err = sessionMultiQueryMessageTarget.QueryMultiContextWithMessages(ctx, stmt)
|
||
usedMultiResult = true
|
||
} else if sessionMultiQueryTarget != nil {
|
||
statementResults, err = sessionMultiQueryTarget.QueryMultiContext(ctx, stmt)
|
||
usedMultiResult = true
|
||
} else if sessionQueryMessageTarget != nil {
|
||
data, columns, messages, err = sessionQueryMessageTarget.QueryContextWithMessages(ctx, stmt)
|
||
} else if sessionQueryTarget != nil {
|
||
data, columns, err = sessionQueryTarget.QueryContext(ctx, stmt)
|
||
} else {
|
||
err = buildTransactionQueryUnsupportedError()
|
||
}
|
||
if err == nil {
|
||
if usedMultiResult {
|
||
var rowsAffected, rowsReturned int64
|
||
if len(statementResults) == 0 && len(messages) > 0 {
|
||
statementResults = []connection.ResultSetData{{
|
||
Rows: []map[string]interface{}{},
|
||
Columns: []string{},
|
||
Messages: append([]string(nil), messages...),
|
||
}}
|
||
}
|
||
for _, statementResult := range statementResults {
|
||
if statementResult.Rows == nil {
|
||
statementResult.Rows = []map[string]interface{}{}
|
||
}
|
||
if statementResult.Columns == nil {
|
||
statementResult.Columns = []string{}
|
||
}
|
||
statementResult.StatementIndex = statementIndex
|
||
affected, returned := summarizeManagedSQLResultSet(statementResult)
|
||
rowsAffected += affected
|
||
rowsReturned += returned
|
||
resultSets = append(resultSets, statementResult)
|
||
}
|
||
emitObservation(rowsAffected, rowsReturned, nil)
|
||
continue
|
||
}
|
||
if data == nil {
|
||
data = make([]map[string]interface{}, 0)
|
||
}
|
||
if columns == nil {
|
||
columns = []string{}
|
||
}
|
||
resultSets = append(resultSets, connection.ResultSetData{
|
||
Rows: data,
|
||
Columns: columns,
|
||
Messages: messages,
|
||
StatementIndex: statementIndex,
|
||
})
|
||
emitObservation(0, int64(len(data)), nil)
|
||
continue
|
||
}
|
||
if isReadStmt {
|
||
statementErr := buildStatementExecutionFailedError(statementIndex, err)
|
||
emitObservation(0, 0, statementErr)
|
||
return nil, statementErr
|
||
}
|
||
}
|
||
|
||
affected, err := session.ExecContext(ctx, stmt)
|
||
if err != nil {
|
||
statementErr := buildStatementExecutionFailedError(statementIndex, err)
|
||
emitObservation(0, 0, statementErr)
|
||
return nil, statementErr
|
||
}
|
||
resultSets = append(resultSets, connection.ResultSetData{
|
||
Rows: []map[string]interface{}{{"affectedRows": affected}},
|
||
Columns: []string{"affectedRows"},
|
||
StatementIndex: statementIndex,
|
||
})
|
||
emitObservation(affected, 0, nil)
|
||
}
|
||
|
||
if resultSets == nil {
|
||
resultSets = []connection.ResultSetData{}
|
||
}
|
||
return resultSets, nil
|
||
}
|
||
|
||
func summarizeManagedSQLResultSet(resultSet connection.ResultSetData) (rowsAffected, rowsReturned int64) {
|
||
if !isAffectedRowsResultSet(resultSet) {
|
||
return 0, int64(len(resultSet.Rows))
|
||
}
|
||
for _, row := range resultSet.Rows {
|
||
value, ok := row["affectedRows"]
|
||
if !ok {
|
||
for key, candidate := range row {
|
||
if strings.EqualFold(strings.TrimSpace(key), "affectedRows") {
|
||
value = candidate
|
||
ok = true
|
||
break
|
||
}
|
||
}
|
||
}
|
||
if !ok {
|
||
continue
|
||
}
|
||
switch typed := value.(type) {
|
||
case int:
|
||
rowsAffected += int64(typed)
|
||
case int32:
|
||
rowsAffected += int64(typed)
|
||
case int64:
|
||
rowsAffected += typed
|
||
case uint:
|
||
rowsAffected += int64(typed)
|
||
case uint32:
|
||
rowsAffected += int64(typed)
|
||
case uint64:
|
||
if typed <= uint64(^uint64(0)>>1) {
|
||
rowsAffected += int64(typed)
|
||
}
|
||
case float64:
|
||
rowsAffected += int64(typed)
|
||
}
|
||
}
|
||
return rowsAffected, 0
|
||
}
|
||
|
||
func shouldUseManagedSQLTransaction(dbType string, query string) bool {
|
||
if isManagedSQLTransactionUnsupportedType(dbType) {
|
||
return false
|
||
}
|
||
statements := splitSQLStatements(query)
|
||
hasManagedWrite := false
|
||
for _, stmt := range statements {
|
||
stmt = strings.TrimSpace(stmt)
|
||
if stmt == "" {
|
||
continue
|
||
}
|
||
if isSQLTransactionControlStatement(stmt) {
|
||
return false
|
||
}
|
||
if isReadOnlySQLQuery(dbType, stmt) {
|
||
continue
|
||
}
|
||
if isOracleLikeAnonymousBlockManagedWrite(dbType, stmt) {
|
||
hasManagedWrite = true
|
||
continue
|
||
}
|
||
if isBatchableWriteSQLStatement(dbType, stmt) {
|
||
hasManagedWrite = true
|
||
continue
|
||
}
|
||
return false
|
||
}
|
||
return hasManagedWrite
|
||
}
|
||
|
||
func isManagedSQLTransactionUnsupportedType(dbType string) bool {
|
||
switch strings.ToLower(strings.TrimSpace(dbType)) {
|
||
case "trino", "tdengine", "clickhouse", "iotdb", "rocketmq", "mqtt", "kafka", "rabbitmq":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func sqlEditorImplicitTransactionSQL(dbType string) (commitSQL string, rollbackSQL string, ok bool) {
|
||
switch strings.ToLower(strings.TrimSpace(dbType)) {
|
||
case "oracle":
|
||
// Oracle starts a transaction implicitly on the first DML statement.
|
||
// Keeping SQL editor DML on one physical connection avoids database/sql
|
||
// Tx context lifecycle ending the transaction before the UI commits it.
|
||
return "COMMIT", "ROLLBACK", true
|
||
default:
|
||
return "", "", false
|
||
}
|
||
}
|
||
|
||
func isSQLTransactionControlStatement(stmt string) bool {
|
||
keyword, keywordEnd := nextSQLKeyword(stmt, 0)
|
||
switch keyword {
|
||
case "begin", "commit", "rollback", "savepoint", "release":
|
||
if keyword != "begin" {
|
||
return true
|
||
}
|
||
return isBeginTransactionControlStatement(stmt, keywordEnd)
|
||
case "start":
|
||
return strings.Contains(strings.ToLower(stmt), "transaction")
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func isBeginTransactionControlStatement(stmt string, keywordEnd int) bool {
|
||
switch nextSQLSignificantByte(stmt, keywordEnd) {
|
||
case 0, ';':
|
||
return true
|
||
}
|
||
|
||
switch nextSQLSignificantToken(stmt, keywordEnd) {
|
||
case "transaction", "tran", "work", "isolation", "read", "write", "deferred", "immediate", "exclusive", "distributed":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func isOracleLikeAnonymousBlockManagedWrite(dbType string, stmt string) bool {
|
||
if !isOracleLikeDBType(dbType) {
|
||
return false
|
||
}
|
||
|
||
switch nextSQLSignificantToken(strings.TrimSpace(stmt), 0) {
|
||
case "begin", "declare":
|
||
return sqlContainsKeyword(stmt, "insert") ||
|
||
sqlContainsKeyword(stmt, "update") ||
|
||
sqlContainsKeyword(stmt, "delete") ||
|
||
sqlContainsKeyword(stmt, "merge") ||
|
||
sqlContainsKeyword(stmt, "replace") ||
|
||
sqlContainsKeyword(stmt, "upsert")
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func (a *App) DBCommitTransaction(transactionID string) connection.QueryResult {
|
||
return a.finishManagedSQLTransaction(transactionID, true, "manual")
|
||
}
|
||
|
||
func (a *App) DBRollbackTransaction(transactionID string) connection.QueryResult {
|
||
return a.finishManagedSQLTransaction(transactionID, false, "manual")
|
||
}
|
||
|
||
func (a *App) DBCommitTransactionWithTrigger(transactionID string, trigger string) connection.QueryResult {
|
||
return a.finishManagedSQLTransaction(transactionID, true, trigger)
|
||
}
|
||
|
||
func (a *App) DBRollbackTransactionWithTrigger(transactionID string, trigger string) connection.QueryResult {
|
||
return a.finishManagedSQLTransaction(transactionID, false, trigger)
|
||
}
|
||
|
||
func (a *App) finishManagedSQLTransaction(transactionID string, commit bool, trigger string) connection.QueryResult {
|
||
transactionID = strings.TrimSpace(transactionID)
|
||
trigger = normalizeSQLTransactionFinishTrigger(trigger)
|
||
if transactionID == "" {
|
||
return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_id_required", nil)}
|
||
}
|
||
|
||
a.sqlTransactionMu.Lock()
|
||
tx, ok := a.sqlTransactions[transactionID]
|
||
if ok {
|
||
delete(a.sqlTransactions, transactionID)
|
||
}
|
||
a.sqlTransactionMu.Unlock()
|
||
if !ok || tx == nil || tx.execer == nil {
|
||
return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_not_found", nil)}
|
||
}
|
||
tx.mu.Lock()
|
||
defer tx.mu.Unlock()
|
||
if tx.finished || tx.execer == nil {
|
||
return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.transaction_not_found", nil)}
|
||
}
|
||
tx.finished = true
|
||
if tx.cancel != nil {
|
||
defer tx.cancel()
|
||
}
|
||
|
||
actionCode := "rollback"
|
||
sqlText := tx.rollbackSQL
|
||
eventType := "transaction_rollback"
|
||
if commit {
|
||
actionCode = "commit"
|
||
sqlText = tx.commitSQL
|
||
eventType = "transaction_commit"
|
||
} else if trigger == "tab_close" || trigger == "auto" {
|
||
eventType = "transaction_auto_rollback"
|
||
}
|
||
auditSource := "query_editor"
|
||
if trigger == "tab_close" {
|
||
auditSource = "tab_close"
|
||
}
|
||
commitMode := "manual"
|
||
if trigger == "auto" {
|
||
commitMode = "auto"
|
||
}
|
||
|
||
ctx, cancel := context.WithTimeout(context.Background(), sqlEditorTransactionFinishTimeout)
|
||
defer cancel()
|
||
requestedEventType := "transaction_rollback_requested"
|
||
if commit {
|
||
requestedEventType = "transaction_commit_requested"
|
||
}
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: transactionID,
|
||
EventType: requestedEventType,
|
||
Status: "success",
|
||
Source: auditSource,
|
||
CommitMode: commitMode,
|
||
BoundaryMode: tx.boundaryMode,
|
||
})
|
||
startedAt := time.Now()
|
||
|
||
var execErr error
|
||
if tx.transactor != nil {
|
||
if commit {
|
||
execErr = tx.transactor.Commit()
|
||
} else {
|
||
execErr = tx.transactor.Rollback()
|
||
}
|
||
} else if strings.TrimSpace(sqlText) != "" {
|
||
_, execErr = tx.execer.ExecContext(ctx, sqlText)
|
||
}
|
||
closeErr := tx.execer.Close()
|
||
if execErr != nil {
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: transactionID,
|
||
EventType: eventType,
|
||
Status: "error",
|
||
Source: auditSource,
|
||
CommitMode: commitMode,
|
||
BoundaryMode: tx.boundaryMode,
|
||
Duration: time.Since(startedAt),
|
||
Err: execErr,
|
||
})
|
||
logger.Error(execErr, "SQL 编辑器事务%s失败：id=%s dbType=%s", actionCode, transactionID, tx.dbType)
|
||
key := "db.backend.error.transaction_rollback_failed"
|
||
if commit {
|
||
key = "db.backend.error.transaction_commit_failed"
|
||
}
|
||
return connection.QueryResult{Success: false, Message: a.appText(key, map[string]any{"detail": execErr.Error()})}
|
||
}
|
||
if closeErr != nil {
|
||
// Commit/Rollback has already succeeded at the database boundary. Record that
|
||
// outcome as success while retaining the local session cleanup error.
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: transactionID,
|
||
EventType: eventType,
|
||
Status: "success",
|
||
Source: auditSource,
|
||
CommitMode: commitMode,
|
||
BoundaryMode: tx.boundaryMode,
|
||
Duration: time.Since(startedAt),
|
||
Err: closeErr,
|
||
})
|
||
logger.Error(closeErr, "SQL 编辑器事务%s后关闭会话失败：id=%s dbType=%s", actionCode, transactionID, tx.dbType)
|
||
key := "db.backend.error.transaction_rollback_close_failed"
|
||
if commit {
|
||
key = "db.backend.error.transaction_commit_close_failed"
|
||
}
|
||
return connection.QueryResult{Success: false, Message: a.appText(key, map[string]any{"detail": closeErr.Error()})}
|
||
}
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: transactionID,
|
||
EventType: eventType,
|
||
Status: "success",
|
||
Source: auditSource,
|
||
CommitMode: commitMode,
|
||
BoundaryMode: tx.boundaryMode,
|
||
Duration: time.Since(startedAt),
|
||
})
|
||
|
||
if commit {
|
||
return connection.QueryResult{Success: true, Message: a.appText("db.backend.message.transaction_committed", nil)}
|
||
}
|
||
return connection.QueryResult{Success: true, Message: a.appText("db.backend.message.transaction_rolled_back", nil)}
|
||
}
|
||
|
||
func normalizeSQLTransactionFinishTrigger(trigger string) string {
|
||
switch strings.ToLower(strings.TrimSpace(trigger)) {
|
||
case "auto", "tab_close":
|
||
return strings.ToLower(strings.TrimSpace(trigger))
|
||
default:
|
||
return "manual"
|
||
}
|
||
}
|
||
|
||
func (a *App) rollbackPendingSQLTransactionsOnShutdown() {
|
||
a.sqlTransactionMu.Lock()
|
||
pending := make([]*managedSQLTransaction, 0, len(a.sqlTransactions))
|
||
for id, tx := range a.sqlTransactions {
|
||
if tx != nil {
|
||
pending = append(pending, tx)
|
||
}
|
||
delete(a.sqlTransactions, id)
|
||
}
|
||
a.sqlTransactionMu.Unlock()
|
||
|
||
for _, tx := range pending {
|
||
tx.mu.Lock()
|
||
if tx.finished {
|
||
tx.mu.Unlock()
|
||
continue
|
||
}
|
||
tx.finished = true
|
||
ctx, cancel := context.WithTimeout(context.Background(), sqlEditorTransactionFinishTimeout)
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: tx.id,
|
||
EventType: "transaction_rollback_requested",
|
||
Status: "success",
|
||
Source: "app_shutdown",
|
||
CommitMode: "auto",
|
||
BoundaryMode: tx.boundaryMode,
|
||
})
|
||
startedAt := time.Now()
|
||
var rollbackErr error
|
||
if tx.transactor != nil {
|
||
if err := tx.transactor.Rollback(); err != nil {
|
||
rollbackErr = err
|
||
logger.Warnf("关闭应用时回滚 SQL 编辑器事务失败：id=%s dbType=%s err=%v", tx.id, tx.dbType, err)
|
||
}
|
||
} else if strings.TrimSpace(tx.rollbackSQL) != "" && tx.execer != nil {
|
||
if _, err := tx.execer.ExecContext(ctx, tx.rollbackSQL); err != nil {
|
||
rollbackErr = err
|
||
logger.Warnf("关闭应用时回滚 SQL 编辑器事务失败：id=%s dbType=%s err=%v", tx.id, tx.dbType, err)
|
||
}
|
||
}
|
||
cancel()
|
||
if tx.cancel != nil {
|
||
tx.cancel()
|
||
}
|
||
var closeErr error
|
||
if tx.execer != nil {
|
||
if err := tx.execer.Close(); err != nil {
|
||
closeErr = err
|
||
logger.Warnf("关闭应用时关闭 SQL 编辑器事务会话失败：id=%s dbType=%s err=%v", tx.id, tx.dbType, err)
|
||
}
|
||
}
|
||
auditErr := rollbackErr
|
||
status := sqlAuditStatusFromError(rollbackErr)
|
||
if auditErr == nil && closeErr != nil {
|
||
// The database rollback succeeded; retain only the cleanup warning.
|
||
auditErr = closeErr
|
||
}
|
||
a.recordSQLAuditTransactionEvent(sqlAuditTransactionEventInput{
|
||
Config: tx.config,
|
||
Database: tx.config.Database,
|
||
DBType: tx.dbType,
|
||
TransactionID: tx.id,
|
||
EventType: "transaction_auto_rollback",
|
||
Status: status,
|
||
Source: "app_shutdown",
|
||
CommitMode: "auto",
|
||
BoundaryMode: tx.boundaryMode,
|
||
Duration: time.Since(startedAt),
|
||
Err: auditErr,
|
||
})
|
||
tx.mu.Unlock()
|
||
}
|
||
}
|