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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. |
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| @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). | |||||||||||||||||||||||||||||||||||||
