The following variables are used for maintaining and querying the status of key lists.
The following variables are used for maintaining and querying the status of key lists. | |||
| Variable | Description | |
| @CURSORS | A list of active cursors. | |
| @LIST_ACTIVE | The flag that indicates whether there is an active select list in cursor 0, and what type of list it is. | |
|
| Flag | Value |
|
| 0 | No select list active. |
|
| 1 | Latent table-based list active. |
|
| 2 | Latent index-based list active. |
|
| 3 | Resolved list active. |
| @PRI_FILE | The file handle for the table represented in cursor zero. | |
| @QUERY_DICT | The file handle for the dictionary represented in cursor zero. | |
| @RECCOUNT | If there is an active, resolved select list, this variable contains the number of keys in the list. | |
| @REDUCTION_DONE | Contains 1 if the key list in cursor 0 is completely resolved, otherwise it is null. | |
| @RN_COUNTER | The ReadNext counter. Incremented for each row examined by the ReadNext statement. It must be initialized by the procedure to a starting value (usually zero). | |
