EnumDependencies Method
Cette fonctionnalité sera supprimée dans une prochaine version de Microsoft SQL Server. Évitez d'utiliser cette fonctionnalité dans de nouveaux travaux de développement et prévoyez de modifier les applications qui utilisent actuellement cette fonctionnalité.
The EnumDependencies method returns a QueryResults object that enumerates Microsoft SQL Server database user objects and user object dependency relationships.
Syntaxe
object
.EnumDependencies( [ DependencyType ] )as QueryResults
Parts
object
Expression that evaluates to an object in the Applies To list.DependencyType
Long integer that directs output as described in Settings.
Prototype (C/C++)
HRESULT EnumDependencies(
LPSQLDMOQUERYRESULTS* ppResults,
SQLDMO_DEPENDENCY_TYPE DependencyType = SQLDMODep_Parents);
Settings
Specify the value of the DependencyType argument using these SQLDMO_DEPENDENCY_TYPE values.
Constant |
Value |
Description |
|---|---|---|
SQLDMODep_Children |
262144 |
Lists all components that depend on the referenced SQL Server component. |
SQLDMODep_DRIOnly |
2097152 |
Lists components that depend on the referenced SQL Server component in a DRI relationship. |
SQLDMODep_FirstLevelOnly |
1048576 |
Lists only immediate parents. Combine with SQLDMODep_Children to list only immediate children. |
SQLDMODep_FullHierarchy |
65536 |
Alters the default result set describing hierarchy relationship in a result set row. |
SQLDMODep_OrderDescending |
131072 |
Applies descending order to returned list. |
SQLDMODep_Parents |
0 |
Lists all objects on which the referenced SQL Server component depends. |
SQLDMODep_/ReturnInputObject |
524288 |
Includes SQL Server component referenced by the SQL Distributed Management Objects (SQL-DMO) object in the list returned. |
SQLDMODep_Valid |
4128768 |
All dependency constants combined using an OR logical operator. |
Returns
A QueryResults object that contains up to three result sets. When no user-defined data types, defaults, or rules are contained in the dependency tree, a single result set is returned, defined by these columns.
Column |
Data type |
Description |
|---|---|---|
oObjName |
nvarchar(129) |
Database object name. |
oOwner |
nvarchar(129) |
Database object owner name. |
oSequence |
smallint |
Indicator of distance in the hierarchy between the specified object and the object listed. |
oType |
integer |
Database object type, enumerated by SQLDMO_OBJECT_TYPE. |
RelName |
nvarchar(129) |
Displayed when SQLDMODep_FullHierarchy is specified. Hierarchically-related database object name. |
RelOwner |
nvarchar(129) |
Displayed when SQLDMODep_FullHierarchy is specified. Hierarchically-related database object owner name. |
RelType |
integer |
Displayed when SQLDMODep_FullHierarchy is specified. When the RelName value is nonNULL, RelType is the hierarchically related database object type, enumerated by SQLDMO_OBJECT_TYPE. When RelName value is NULL, the value 0 is returned and can be ignored. |
When the dependency tree contains defaults, rules, or user-defined data types, one or two additional result sets are returned by the EnumDependencies method. When rules or defaults are contained, a result set is returned, defined by these columns.
Column |
Data type |
Description |
|---|---|---|
oOwner |
nvarchar(129) |
Database object owner name. |
oRuleDefName |
nvarchar(129) |
Database object name. |
oSequence |
smallint |
Indicator of distance in the hierarchy between the specified object and the object listed. |
oType |
integer |
Database object type, enumerated by SQLDMO_OBJECT_TYPE. Value is SQLDMOObj_Default or SQLDMOObj_Rule for all rows. |
When user-defined data types are contained in the dependency tree, a result set that enumerates the data types is returned. The user-defined data type result set is defined by these columns.
Column |
Data type |
Description |
|---|---|---|
oType |
integer |
Database object type, enumerated by SQLDMO_OBJECT_TYPE. Value is SQLDMOObj_UserDefinedDatatype for all rows. |
oUDDTName |
nvarchar(129) |
User-defined data type name. |
oOwner |
nvarchar(129) |
User-defined data type owner name. |
oSequence |
smallint |
Indicator of distance in the hierarchy between the specified object and the object listed. |