Oracle C++ Call Interface Programmer's Guide

append()
Table 8–3 Blob Methods (Cont.)
Method Summary
close() on page 8-14 Close a previously opened BLOB.
closeStream() on page 8-14 Close the Stream object obtained from the BLOB.
This method appends a BLOB to the end of the current BLOB.
Syntax
void append(const Blob &srcBlob);
Blob Class
copy() on page 8-14 Copy a specified portion of a BFILE or BLOB into the
current BLOB.
getChunkSize() on page 8-15 Return the chunk size of the BLOB.
getStream() on page 8-16 Return data from the BLOB as a Stream object.
isInitialized() on page 8-16 Test whether the Blob object is initialized
isNull() on page 8-16 Test whether the Blob object is atomically null.
isOpen() on page 8-17 Test whether the BLOB is open
length() on page 8-17 Return the number of bytes in the BLOB.
open() on page 8-17 Open the BLOB with read or read/write access.
operator=() on page 8-17 Assign a BLOB locator to the Blob object.
operator==() on page 8-18 Test whether two Blob objects are equal.
operator!= () on page 8-18 Test whether two Blob objects are not equal.
read() on page 8-18 Read a portion of the BLOB into a buffer.
setEmpty() on page 8-19 Set the Blob object to empty.
setEmpty() on page 8-19 Set the Blob object to empty and initializes the
connection pointer to the passed parameter.
setNull() on page 8-20 Set the Blob object to atomically null.
trim() on page 8-20 Truncate the BLOB to a specified length.
write() on page 8-20 Write a buffer into an unopened BLOB.
writeChunk() on page 8-21 Write a buffer into an open BLOB.
OCCI Classes and Methods 8-13