Copyright 2022 PingCAP, Inc.

Copyright 2022 PingCAP, Inc.

AssertUserDBsEmpty check whether user dbs exist in the cluster.

CreateUniqueFileSets used for Raw/Txn non-tableID files converts a slice of files into a slice of unique BackupFileSets, where each BackupFileSet contains a single file.

GetFileRangeKey is used to reduce the checkpoint number, because we combine the write cf/default cf into one restore file group.

GetTableSchema returns the schema of a table from TiDB.

GetTS gets a new timestamp from PD.

GetTSWithRetry gets a new timestamp with retry from PD.

MarshalLogObjectForFiles is an internal util function to zap something having `Files` field.

RestorePostWork executes some post work after restore.

RestorePreWork executes some prepare work before restore.

BackupFileSet represents the batch files to be restored for a table.

BalancedFileImporter is a wrapper around FileImporter that adds concurrency controls.

FileImporter is a low-level interface for handling the import of backup files into storage (e.g., TiKV).

SstRestorer defines the essential methods required for restoring SST files in various backup formats: 1.

deprecated parameter.