getBackupMeta

swordfish.function.getBackupMeta()

Return a dictionary with information about the backup of a partition in a DFS table, which contains the following keys:

• schema: the schema of the table

• dfsPath: the DFS path to database chunks

• rows: the number of records in a chunk

• chunkID: the chunk ID

• cid: the commit ID

Parameters:

• backupDir (Constant) – A string indicating the directory where the backup is saved.

• dbPath (Constant) – A string indicating the path of a DFS database. For example: “dfs://demo”.

• partition (Constant) – A string indicating the path of a partition under the database. For example: “/20190101/GOOG”.

• tableName (Constant) – A string indicating a distributed table name.