Difference between revisions of "FILTER()"
From Lianjapedia
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==Purpose== | ==Purpose== | ||
Function to return filter expression | Function to return filter expression | ||
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==Syntax== | ==Syntax== | ||
FILTER([<workarea | alias>]) | FILTER([<workarea | alias>]) | ||
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==See Also== | ==See Also== | ||
| − | [[DBFILTER()]], [[ISFILTERED()]], [[SET DELETED]], [[SET FILTER]] | + | [[DBFILTER()]], [[ISFILTERED()]], [[SET DELETED]], [[SET FILTER]] |
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==Description== | ==Description== | ||
The FILTER() function returns the current filter condition as a string. If no filter is set, the FILTER() function returns a null string. If the optional <workarea | alias> is specified, then the function will return the active filter condition for the specified <workarea | alias>. Filters are set for a workarea using the SET FILTER command. The FILTER() has no effect on the SET FILTER command. | The FILTER() function returns the current filter condition as a string. If no filter is set, the FILTER() function returns a null string. If the optional <workarea | alias> is specified, then the function will return the active filter condition for the specified <workarea | alias>. Filters are set for a workarea using the SET FILTER command. The FILTER() has no effect on the SET FILTER command. | ||
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==Example== | ==Example== | ||
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</code> | </code> | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| + | [[Category:Cursor Functions]] | ||
Latest revision as of 04:51, 7 December 2012
Contents
Purpose
Function to return filter expression
Syntax
FILTER([<workarea | alias>])
See Also
DBFILTER(), ISFILTERED(), SET DELETED, SET FILTER
Description
The FILTER() function returns the current filter condition as a string. If no filter is set, the FILTER() function returns a null string. If the optional <workarea | alias> is specified, then the function will return the active filter condition for the specified <workarea | alias>. Filters are set for a workarea using the SET FILTER command. The FILTER() has no effect on the SET FILTER command.
Example
use patrons set filter to event="BALLET" ? "["+filter()+"]" [event="BALLET"] ? type("filter()") C
