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.

      // 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

• INDEX
• SEEK