The MySQL Cluster API Developers' Guide :: 4 NDB API Classes, Interfaces, and Structures :: 4.9 The NdbBlob Class :: 4.9.2 NdbBlob Methods :: 4.9.2.8 NdbBlob::getLength()
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- 4.9.2 NdbBlob Methods
- 4.9.2.1 NdbBlob::getState()
- 4.9.2.2 NdbBlob::getValue()
- 4.9.2.3 NdbBlob::setValue()
- 4.9.2.4 NdbBlob::setActiveHook()
- 4.9.2.5 NdbBlob::getVersion()
- 4.9.2.6 NdbBlob::getNull()
- 4.9.2.7 NdbBlob::setNull()
- 4.9.2.8 NdbBlob::getLength()
- 4.9.2.9 NdbBlob::truncate()
- 4.9.2.10 NdbBlob::getPos()
- 4.9.2.11 NdbBlob::setPos()
- 4.9.2.12 NdbBlob::readData()
- 4.9.2.13 NdbBlob::writeData()
- 4.9.2.14 NdbBlob::getColumn()
- 4.9.2.15 NdbBlob::getNdbError()
- 4.9.2.16 NdbBlob::blobsFirstBlob()
- 4.9.2.17 NdbBlob::blobsNextBlob()
- 4.9.2.18 NdbBlob::getBlobEventName()
- 4.9.2.19 NdbBlob::getBlobTableName()
Description. This method gets the blob's current length in bytes.
Signature.
int getLength
(
Uint64& length
)
Parameters. A reference to the length.
Return Value.
The blob's length in bytes. For a NULL
blob, this method returns 0. to distinguish
between a blob whose length is 0 blob and
one which is NULL, use the
getNull() method.
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