Package org.apache.empire.db.expr.compare

This package contains SQL-generator classes for compare expressions used in the where and having clause.

See:
          Description

Class Summary
DBCompareAndOrExpr This class is used for combining two filter constraints by and / or operator
DBCompareColExpr This class is used for defining filter constraints based on a column expression in SQL
DBCompareExpr This class is a common base class for all SQL filter constraints classes
DBCompareNotExpr This class is used for defining filter constraints based on a column expression in SQL
DBExistsExpr This class is used for building up the SQL-Command for the EXISTS syntax.
DBParenthesisExpr This class wraps an existing compare expression with parenthesis.
 

Package org.apache.empire.db.expr.compare Description

This package contains SQL-generator classes for compare expressions used in the where and having clause. There is no need to use these classes directly. They are internally created through functions on the DBColumnExpr object.



Copyright © 2008-2012 Apache Software Foundation. All Rights Reserved.