9.94 GET_LOGICAL_LIST
Retrieves a list of a physical files associated logical views and their descriptions from the data dictionary and returns them to the calling RDML function in a variable length working list.
This is a Specialized Built-In Function for use in a Development Environment only.
Arguments
No | Type | Req/ Opt | Description | Min Len | Max Len | Min Dec | Max Dec |
|---|---|---|---|---|---|---|---|
1 | A | Req | Physical file name. | 1 | 10 | ||
2 | A | Req | Physical file library. | 1 | 10 |
Return Values
No | Type | Req/ Opt | Description | Min Len | Max Len | Min Dec | Max Dec |
|---|---|---|---|---|---|---|---|
1 | L | Req | Working list to contain logical file information. List must not be more than: The calling RDML function must provide a working list with an aggregate entry length of exactly 70 bytes. Each returned list entry is formatted as follows: From - To Description 1 - 10 Logical file 11 - 20 Logical file library 21 - 60 Description 61 - 70 <<future expansion>> | 70 | 70 | ||
2 | A | Opt | Return code. OK = list returned partially or completely filled with file details. No more logicals exist for this physical file. OV = list returned completely filled, but more files than could fit in the list exist. Typically used to indicate "more" fields in page at a time style list displays. NR = list was returned empty. Last file in the list is returned as blanks. ER = Physical file not found. Last file in the list is returned as blanks. | 2 | 2 |