Xbasic
INDEX.KEY_LIST_GET Function
Syntax
Key_List as C = Key_List_Get(N records[,N Step[,C format[,C match_prefix]]])
Arguments
- records
The number of keys to retrieve.
- Step
Optional. Default = 1. The interval between successive keys that are returned.
- format
Optional. An expression that includes either the "K" or "R" flags. The "K" flag is replaced with the key value. The "R" flag is replaced with the record number.
- match_prefix
Character
Description
Returns cr-lf separated list of keys from head or tail of index/query (direction depends on +/- records).
Discussion
The .KEY_LIST_GET() method returns a CR-LF delimited list of keys from the head or tail of the index or query. The direction depends on +/- records.
Example
dim t as P dim i as P dim keys as C t = table.open("customer") i = t.index_primary_put("Lastname") keys = i.key_list_get(10, 1, "K : R" + crlf()) ? keys = Abrams : 31 Adams : 55 Baker : 0 Baker : 54 Barber : 51 Bernstein : 53 Boschetti : 17 Burtonski : 47 Cario : 7 Carr : 50
See Also