Oracle C++ Call Interface Programmer's Guide

Objects with LOB Attributes
conn->commit();
The following code example demonstrates how to update a BFILE:
Bfile bfile(conn);
bfile.setName("MEDIA_DIR", "img1.jpg");
stmt->setSQL("UPDATE print_media SET ad_graphic = :1
WHERE product_id=6666");
stmt->setBfile(1, bfile);
stmt->executeUpdate();
conn->commit();
Objects with LOB Attributes
An OCCI application can use the overloaded operator new() to create a persistent
or transient object with a LOB attribute. By default, all LOB attributes are
constructed by using the default constructor and initialized to null.
Persistent Objects with LOB Attributes
It is possible to use OCCI to create a new persistent object with a LOB attribute. To
do so, follow these steps:
1. Create a persistent object with a LOB attribute.
Person *p=new(conn,"PERSON_TAB")Person();
2. Initialize the Blob object to empty.
p->imgBlob = Blob(conn);
p->imgBlob.setEmpty();
If appropriate, then use the corresponding methods (setxxx methods and
getxxx methods) on the Person object to accomplish the same thing.
3. Mark the Blob object as dirty.
p->markModified();
4. Flush the object.
p->flush();
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