java.lang.Object
javatools.db.DbOrderBy
- public class DbOrderBy
- extends java.lang.Object
A class that represents an ORDER BY clause in a SELECT.
An order by clause consists of a column and an optional DESC descending
clause.
Usually this class will not be referred to directly in an application.
More usually you will use DbSelector.addOrderBy().
- Version:
- 0.7
|
Field Summary |
(package private) DbExpr |
column
The column to be used for sorting. |
(package private) boolean |
descending
true: if the order is descending;
false: if the order is ascending. |
|
Constructor Summary |
DbOrderBy(DbExpr column,
boolean descending)
Creates a new DbOrderBy expression. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
descending
boolean descending
true: if the order is descending;
false: if the order is ascending.
column
DbExpr column
- The column to be used for sorting.
DbOrderBy
public DbOrderBy(DbExpr column,
boolean descending)
- Creates a new DbOrderBy expression.
getDescending
public boolean getDescending()
- Is this clause descending order?
getColumn
public DbExpr getColumn()
- The column to sort on.
getQueryString
public java.lang.String getQueryString()
throws DbException
- Returns the query string related to these expression.
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