Saves a select list.
WRITELIST dynarray ON listname [SETTING var]
WRITELIST dynarray TO listname [SETTING var]
||A select list supplied by the SELECT statement. A dynamic array of elements separated by field mark delimiters.
||A name assigned to the saved select list.
||Optional a local variable used to receive a numeric error code if the operation fails.
statement saves a select list. Once you have saved a select list, you can use GETLIST
to activate the saved select list so that it can be read by READNEXT
select list is saved in the &SAVEDLISTS& file. Caché stores this file using the ^SAVEDLISTS global.
You can use either the ON or TO keyword. The ON keyword is preferred; the TO keyword is provided for jBASE compatibility.
The optional SETTING clause is executed if the WRITELIST
operation fails and an error code is generated. The var
variable is set to this numeric error code. The SETTING clause is provided for jBASE compatibility.
In jBASE emulation, if listname
is 0 or "", WRITELIST
creates a new select list 0, saves to select list 0, and makes this select list active. Caché and other emulations create select list 0 and save to select list 0, but do not retain it as an active select list.
© 1997-2019 InterSystems Corporation, Cambridge, MA