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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==Example== | ==Example== | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
[[Category:Buffered Processing]] | [[Category:Buffered Processing]] | ||
[[Category:Buffered Processing Functions]] | [[Category:Buffered Processing Functions]] |
Revision as of 11:58, 7 December 2012
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 "RECIT" // Alter in another session ! recital -c "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 "RECIT" ? "New customerid value: " + customerid tableupdate(.T.) ? "Updated customerid value: " + customerid ? "Curval(): " + curval("customerid") ? "Oldval(): " + oldval("customerid") ? "Fieldstate after replace and update: " + getfldstate("customerid") ?