saveTable#

swordfish.function.saveTable()#

Save a table to an unpartitioned disk table. It must be executed by a logged-in user.

To save a table to a partitioned database, use createPartitionedTable together with append_ or tableInsert.

备注

Disk tables are only used for backup or local computing. Unlike the DFS tables, disk tables do not support access control.n

参数:
  • dbHandle (Constant) -- A DolphinDB database handle.

  • table (Constant) -- The table in memory to be saved.

  • tableName (Constant, optional) -- Aa string indicating the desired name for the saved table, by default DFLT.

  • append (Constant, optional) -- The appending mode, by default DFLT. When it is set to true, the new table will be appended to the old table.

  • compression (Constant, optional) -- The compression mode. When it is set to true, the table will be saved to disk in compression mode, by default DFLT.