DESCEND()
Inverts an expression of string, logical, date or numeric type.
- Syntax
-
- DESCEND( <xExp> ) --> xExpInverted
- Arguments
-
- <xExp> is any valid expression.
- Returns
-
- Inverted value of the same type as passed.
- Description
-
- This function converts an expression in his inverted form. It is useful to build descending indexes.
Examples
// Seek for Smith in a descending index
SEEK DESCEND( "SMITH" )
Tests
DATA->( DBSEEK( DESCEND( "SMITH" ) ) )
will seek "SMITH" into a descending index.
- Status
- Ready
- Compliance
-
- DESCEND() is fully CA-Clipper compliant.
- Files
-
- Library is rtl
- See Also