NexusDB

 
Declaration

function BlobRead(aBlobNr: TnxInt64; aOffset: TnxWord32; aLen: TnxWord32; out aBlob; out aBytesRead: TnxWord32; aReadOrg: Boolean): TnxResult; override;

 
Description

This function reads data from a blob.

 
Parameters

aBlobNr: TnxInt64

the blob reference number

aOffset: TnxWord32

a offset in bytes where to start to read

aLen: TnxWord32

the number of bytes to read

out aBlob

the buffer to receive the data

out aBytesRead: TnxWord32

the number of bytes returned