getTabletsMeta#

swordfish.function.getTabletsMeta()#

Return metadata of specified tablet chunks on the local node.

Parameters:

  • chunkPath (Constant, optional) – The DFS path to one or multiple database chunks. It supports wildcards %, * and ?.

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

  • diskUsage (Constant, optional) – A Boolean value indicating whether the result includes the column of diskUsage.

  • top (Constant, optional) – A positive number indicating the maximum number of chunks in the output. The default value is 1024. To remove the upper limit of chunks in the output, set top to -1.

Returns:

A table with the following columns:

  • chunkId: the unique identifier of chunk.

  • path: the physical path of the partition.

  • dfsPath: the dfs path of the partition.

  • tableName: the table name.

  • version: the version number.

  • rowNum: the number of records in the partition.

  • createCids: the Cids created when updating/deleting the table.

  • latestPhysicalDir: the temporary physical directory storing the data generated by the operation with the latest Cid.

  • diskUsage: the disk space occupied by partition (in Bytes).

Return type:

Constant

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