NexusDB

 
Declaration

TnxFileDescriptor = class(TnxDictionaryItem)

 
Description

A file descriptor describes the attributes of a physical file.

 
Methods

IsEqual

The IsEqual function should return true if the given aDictionaryItem is of the same type and has *exactly* the same settings. Should be overridden by all descendants.

LoadFromReader

The text for this method has been generated automatically. This means that it is not documented.

SaveToWriter

The text for this method has been generated automatically. This means that it is not documented.

 
Properties

BlockSize

The block size of the file. Please note that for table files (with the NexusDB default engines) each record has to fit into 1 block.

BlockSizeBytes

The block size of the file in bytes. Please note that for table files (with the NexusDB default engines) each record has to fit into 1 block.

Desc

This can be filled with a human readable description of the file.

Extension

The file extension used for the file.

GrowSize

This is the size, in numbers of blocks, the file will grow when needed.

InitialSize

This is the initial size, in numbers of blocks, of the file described.

Number

This number holds the index of this descriptor in the list of File descriptors in the ParentDataDictionary.

UsableBlockSize

The number of bytes that can be used per Block. That is calculated by subtracting the header size from the total BlockSize.

 
File

 
nxsdDataDictionary