damex_describeUnionQuery
- Last Updated: May 12, 2026
- 1 minute read
- OpenAccess SDK
- Version 8.1
- Documentation
This function returns the handle to the UNION query.
int damex_describeUnionQuery(
DAM_HQUERY hquery,
int * piUnionType,
DAM_HQUERY * phUnionQuery)
Parameters for damex_describeUnionQuery
| Parameter | Type | Description |
| IN | ||
| hquery | DAM_HQUERY | The query handle. |
| OUT | ||
| piUnionType | int * | Indicates if UNION is specified as UNION ALL. Valid value are: |
| phUnionQuery | DAM_HQUERY * | Handle to the UNION query. Returns NULL if query does not have a UNION. |
| RETURN | ||
| int | DAM_SUCCESS - on success DAM_FAILURE - on failure |