Opened 10 years ago
Closed 7 years ago
#893 closed defect (fixed)
null keyword in operations
| Reported by: | Peter Baumann | Owned by: | mtarigradschi |
|---|---|---|---|
| Priority: | major | Milestone: | 9.5 |
| Component: | qlparser | Version: | development |
| Keywords: | Cc: | Peter Baumann | |
| Complexity: | Medium |
Description
Suggest to introduce "is null" as an induced comparison, with the meaning: "true if cell has one of the null values defined in the participating coverage, false otherwise".
Examples:
- c is null
- c is not null (this is crafted along SQL, but shatters our grammar, so to be inspected)
Change History (5)
comment:1 by , 9 years ago
| Milestone: | 9.1 → 9.2 |
|---|
comment:2 by , 8 years ago
| Milestone: | 9.2 → 10.0 |
|---|
comment:3 by , 7 years ago
| Owner: | changed from to |
|---|---|
| Status: | new → assigned |
comment:4 by , 7 years ago
| Milestone: | 10.0 → 9.5 |
|---|
comment:5 by , 7 years ago
| Resolution: | → fixed |
|---|---|
| Status: | assigned → closed |
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Note:
c is not nullcan be internally implemented as a transformation tonot (c is null)