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