Changes the submission order of an individual collection within a prepared commands list.
Definition
REPLACE PROCEDURE TDSTATS.PrioritizePreparedCollect (IN RequestID BIGINT, IN Priority INTEGER, OUT NumUpdated INTEGER) . . . ;
Input Parameters
| Parameter | Description |
|---|---|
| RequestID | TDSTATS database unique ID for an individual prepared collection. This input parameter cannot be NULL.
|
| Priority | Changed priority of the specified collection expressed as a relative rank among other collections in the commands list containing RequestID. This input parameter cannot be NULL.
|
Usage Notes
You can call the SelectPreparedCollects external stored procedure to determine the priority of other collections in the same commands list.
The modified priority is only relevant to the commands list containing the specified collection as identified by RequestID. Future invocations of PrepCollect will not incorporate the modified priority.
If two or more collections have the same priority within a commands list, the submission order among them is undefined.
Output Parameter
| Parameter | Description |
|---|---|
| NumUpdated | Possible values:
|
Example: Using PrioritizePreparedCollect
The following example shows how to change the priority of pending collection number from 12 to 1 (that is, one being the highest priority).
CALL TDSTATS.PrioritizePreparedCollect(12, 1, NumUpdated);
*** Procedure has been executed.
*** Total elapsed time was 1 second.
NumUpdated
-----------
1
Related Topics
| For more information on ... | See ... |
|---|---|
| the priority of other collections in the commands list | SelectPreparedCollects. |
| preparing a prioritize list of COLLECT STATISITICS statements | PrepCollect. |