Difference between revisions of "GETFLDSTATE()"
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==Purpose== | ==Purpose== | ||
Function to to check if a field has been modified | Function to to check if a field has been modified | ||
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==Syntax== | ==Syntax== | ||
GETFLDSTATE(<expC> | <expN1>, <expN2> [, <workarea | alias>]) | GETFLDSTATE(<expC> | <expN1>, <expN2> [, <workarea | alias>]) | ||
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==See Also== | ==See Also== | ||
[[CURSORGETPROP()]], [[CURSORSETPROP()]], [[CURVAL()]], [[OLDVAL()]], [[TABLEREVERT()]], [[TABLEUPDATE()]], [[SETFLDSTATE()]] | [[CURSORGETPROP()]], [[CURSORSETPROP()]], [[CURVAL()]], [[OLDVAL()]], [[TABLEREVERT()]], [[TABLEUPDATE()]], [[SETFLDSTATE()]] | ||
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==Description== | ==Description== | ||
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====Return value==== | ====Return value==== | ||
| − | {| class="wikitable" | + | {| class="wikitable" width="100%" |
!Value||Description | !Value||Description | ||
|- | |- | ||
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|- | |- | ||
|} | |} | ||
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==Example== | ==Example== | ||
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? "Fieldstate at start: " + getfldstate("customerid") | ? "Fieldstate at start: " + getfldstate("customerid") | ||
| − | replace customerid WITH " | + | replace customerid WITH "LIANJ" |
// Alter in another session | // Alter in another session | ||
| − | + | // update southwind!customers set customerid = 'MULTI' where recno() = 1 | |
? "Someone else just updated the record!" | ? "Someone else just updated the record!" | ||
? "New customerid value: " + customerid | ? "New customerid value: " + customerid | ||
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? "Fieldstate after revert: " + getfldstate("customerid") | ? "Fieldstate after revert: " + getfldstate("customerid") | ||
| − | replace customerid WITH " | + | replace customerid WITH "LIANJ" |
? "New customerid value: " + customerid | ? "New customerid value: " + customerid | ||
tableupdate(.T.) | tableupdate(.T.) | ||
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</code> | </code> | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| − | [[Category: | + | [[Category:Cursor Functions]] |
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Latest revision as of 13:38, 19 May 2014
Purpose
Function to to check if a field has been modified
Syntax
GETFLDSTATE(<expC> | <expN1>, <expN2> [, <workarea | alias>])
See Also
CURSORGETPROP(), CURSORSETPROP(), CURVAL(), OLDVAL(), TABLEREVERT(), TABLEUPDATE(), SETFLDSTATE()
Description
The GETFLDSTATE() function can be used to check if a field has been modified. The field can be specified using the field name in <expC> or the field number in <expN1>. GETFLDSTATE() returns the values below.
If the optional <workarea | alias> is specified, then the function will operate in the required location.
Return value
| Value | Description |
|---|---|
| 1 | Field has not been modified |
| 2 | Field has been modified |
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") ?
