====== Cursors and Select 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 - active.\\ 3 - 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).|