The MySQL Cluster API Developer Guide :: 2 The NDB API :: 2.3 NDB API Classes, Interfaces, and Structures :: 2.3.36 The SetValueSpec Structure
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Parent class. NdbOperation
Description.
This structure is used to specify an extra value to set as part of
an
NdbRecord
operation.
Members. The makeup of this structure is shown here:
The individual members are described in more detail in the following table:
| Name | Type | Description |
|---|---|---|
column |
const
|
To specify an extra value to read, the caller must provide this, as well
as (optionally NULL)
appStorage pointer. |
value |
void* |
This must point to the value to be set, or to NULL if
the attribute is to be set to NULL.
The value pointed to is copied when the operation is
defined, and need not remain in place until execution
time. |
Important
Currently, blob values cannot be set using
SetValueSpec.
For more information, see Section 2.3.25, “The NdbRecord Interface”.
