CURSORSETPROP()

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Purpose

Function to define current property settings for a table or cursor

Syntax

CURSORSETPROP(<expC>, <expN> [, <workarea | alias>])

See Also

CURSORGETPROP(), CURVAL(), GETFLDSTATE(), OLDVAL(), TABLEREVERT(), TABLEUPDATE(), SETFLDSTATE()

Description

The CURSORSETPROP() function can be used to define the current property settings for a table or cursor.

If the optional <workarea | alias> is specified, then the function will operate in the required location.

<expC>

Value Description
Buffering Current Buffering setting

<expN>

Value Description
1 Row and table buffering off (default)
2 Pessimistic row buffering on
3 Optimistic row buffering on
4 Pessimistic table buffering on
5 Optimistic table buffering on

Example

close databases
clear
set exclusive off
open database southwind
use customers
// Set to known value before start
replace customerid with "ALFKI"
 
cursorsetprop("Buffering", 5, "customers")
messagebox("Buffering set to " +etos(cursorgetprop("Buffering")))
 
? "Original customerid value: " + customerid
? "Curval(): " + curval("customerid")
? "Oldval(): " + oldval("customerid")
? "Fieldstate at start: " + getfldstate("customerid")
 
replace customerid WITH "LIANJ"
 
// Alter in another session
// update southwind!customers set customerid = 'MULTI' where recno() = 1
? "Someone else just updated the record!"
? "New customerid value: " +  customerid 
? "Curval(): " + curval("customerid")
? "Oldval(): " + oldval("customerid")
? "Fieldstate after replace: " + getfldstate("customerid")
tablerevert(.T.)
 
? "Reverted customerid value: " +  customerid
? "Curval(): " + curval("customerid")
? "Oldval(): " + oldval("customerid")
? "Fieldstate after revert: " + getfldstate("customerid")
 
replace customerid WITH "LIANJ"
? "New customerid value: " +  customerid 
tableupdate(.T.)
? "Updated customerid value: " +  customerid
? "Curval(): " + curval("customerid")
? "Oldval(): " + oldval("customerid")
? "Fieldstate after replace and update: " + getfldstate("customerid")
?