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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()
- 4.9.2.20 NdbBlob::getNdbOperation()
Description.
This method defines a callback for blob handle activation. The
queue of prepared operations will be executed in no-commit
mode up to this point; then, the callback is invoked. For
additional information, see
Section 4.9.1.1, “The NdbBlob::ActiveHook Type”.
Signature.
int setActiveHook
(
ActiveHook* activeHook,
void* arg
)
Parameters. This method requires two parameters:
A pointer to an
ActiveHookvalue; this is a callback as explained in Section 4.9.1.1, “TheNdbBlob::ActiveHookType”.A pointer to
void, for any data to be passed to the callback.
Return Value.
0 on success, -1 on
failure.