25.6.17.36 The ndbinfo files Table (original) (raw)

25.6.17.36 The ndbinfo files Table

The files tables provides information about files and other objects used by NDB disk data tables, and contains the columns listed here:

• id
  Object ID
• type
  The type of object; one of Log file group, Tablespace,Undo file, or Data file
• name
  The name of the object
• parent
  ID of the parent object
• parent_name
  Name of the parent object
• free_extents
  Number of free extents
• total_extents
  Total number of extents
• extent_size
  Extent size (MB)
• initial_size
  Initial size (bytes)
• maximum_size
  Maximum size (bytes)
• autoextend_size
  Autoextend size (bytes)

For log file groups and tablespaces, parent is always 0, and theparent_name, free_extents,total_extents,extent_size, initial_size,maximum_size, andautoentend_size columns are allNULL.

The files table is empty if no disk data objects have been created in NDB. SeeSection 25.6.11.1, “NDB Cluster Disk Data Objects”, for more information.

See also Section 28.3.15, “The INFORMATION_SCHEMA FILES Table”.