Null
Constant functions null
The keyword Null is used in the GeoDMS to indicate missing data.
The constant: null_suffix can be used in expressions, it is important to use the version with the correct value type, see the following table:
| Value type | Name |
|---|---|
| uint8 | null_b |
| uint16 | null_w |
| uint32 | null_u |
| uint64 | null_u64 |
| int8 | null_c |
| int16 | null_s |
| int32 | null_i |
| int64 | null_i64 |
| float32 | null_f |
| float64 | null_d |
| spoint | null_sp |
| wpoint | null_wp |
| ipoint | null_ip |
| upoint | null_up |
| fpoint | null_fp |
| dpoint | null_dp |
- null_suffix
null_suffix results in the null data value for the value type defined by the suffix.
data item with the value type defined by the suffix.
version 14.3.0
parameter<float32> param_null_f := null_f;
result: param_null_f = null
