damex_describeSelectTopClause
- Last Updated: May 12, 2026
- 1 minute read
- OpenAccess SDK
- Version 9.0
- Documentation
This function returns details of the TOP N clauses for a SELECT query. The TOP clause indicates the maximum number of rows to be returned.
Example queries:
SELECT TOP 10 * FROM emp;
SELECT TOP 5 PERCENT * FROM emp;
nt damex_describeSelectTopClause(
long hquery,
long piNumRows,
int pbPercent)
Parameters for damex_describeSelectTopClause
| Parameter | Type | Description |
| IN | ||
| hquery | long | The query handle. |
| OUT | ||
| piNumRows | long | The number of rows in the TOP clause. This number should be treated as a PERCENT if value of pbPercent is returned as TRUE. |
| pbPercent | int | Indicates if TOP N number was specified with PERCENT option. Valid value are: |
| RETURN | ||
| int | DAM_SUCCESS – on success DAM_FAILURE – on failure |