19.7.4 a_rdb_SQLInd_t (indicator)
- Organization of this subsection
(1) Function
a_rdb_SQLInd_t (indicator) indicates whether a value is the null value.
(2) Format
typedef signed char a_rdb_SQLInd_t ;
(3) Indicator value
The following table shows the symbolic literals and values for the indicator.
No. |
Description |
Symbolic literal |
Value |
---|---|---|---|
1 |
Null value |
a_rdb_SQL_NULL_DATA |
-1 |
2 |
Non-null value data |
a_rdb_SQL_NOT_NULL_DATA |
0 |