TOraLoader and BLOB

Discussion of open issues, suggestions and bugs regarding ODAC (Oracle Data Access Components) for Delphi, C++Builder, Lazarus (and FPC)
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eml79
Posts: 13
Joined: Thu 28 Jun 2007 09:20

TOraLoader and BLOB

Post by eml79 » Wed 15 Aug 2007 12:30

Can I use TOraLoader if table have blob column?
Blob store binary data (not clob!). Size blob column unknown or very big (few GB).

Plash
Devart Team
Posts: 2844
Joined: Wed 10 May 2006 07:09

Post by Plash » Thu 16 Aug 2007 08:20

The TOraLoader component can be used for tables with BLOB column. But you should set the column value as string. So it is hardly to use the TOraLoader component for BLOB column with a binary data.

eml79
Posts: 13
Joined: Thu 28 Jun 2007 09:20

Post by eml79 » Fri 17 Aug 2007 07:55

Plash wrote:The TOraLoader component can be used for tables with BLOB column. But you should set the column value as string. So it is hardly to use the TOraLoader component for BLOB column with a binary data.
String column required set maximum size. If I set size 10Gb it is not problem for TOraLoader?
Also if string will contain 0x00 byte - it is will truncate in TOraLoader or not?

Plash
Devart Team
Posts: 2844
Joined: Wed 10 May 2006 07:09

Post by Plash » Fri 17 Aug 2007 12:56

You can set the Size property for the column maximum to 30000. If you load bigger BLOBs, data will be truncated.

A string can contain #0 and any other characters. This will not cause any problems.

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