int
FNC_TblOpGetAttributeByNdx(FNC_TblOpHandle_t *handle,
int index,
void **valueptr,
int *null_ind,
int *length);
- FNC_TblOpHandle_t *handle
- the handle to the current read context.
- For details about the FNC_TblOpHandle_t structure, see Table Operator Interface Functions.
- int index
- the index of an attribute. The range of values is from 0 to i-1, where 0 is the index of the first attribute.
- void **valueptr
- location of pointer to the attribute value to be returned.
- int *null_ind
- whether the attribute is null. -1 indicates null and 0 indicates not null.
- int *length
- the size in bytes of the value pointed to by *valueptr. For character varying data types, the length includes the 2 byte length field.