org.openrdf.sail.rdbms.evaluation
Class QueryBuilder

java.lang.Object
  org.openrdf.sail.rdbms.evaluation.QueryBuilder

public class QueryBuilder
extends Object

Constructs an SQL query from SqlExprs and FromItems.

Author:

James Leigh

Constructor Summary

QueryBuilder(SqlQueryBuilder builder)

Method Summary

void	distinct()
QueryBuilder	filter(ColumnVar var, Value val)
void	from(FromItem from)
List<?>	getParameters()
void	limit(Integer limit)
void	offset(Integer offset)
void	orderBy(SqlExpr expr, boolean isAscending)
QueryBuilder	select(SqlExpr expr)
void	setUsingHashTable(boolean usingHashTable)
void	setValueFactory(RdbmsValueFactory vf)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

QueryBuilder

public QueryBuilder(SqlQueryBuilder builder)

Method Detail

setValueFactory

public void setValueFactory(RdbmsValueFactory vf)

setUsingHashTable

public void setUsingHashTable(boolean usingHashTable)

distinct

public void distinct()

filter

public QueryBuilder filter(ColumnVar var,
                           Value val)
                    throws RdbmsException

Throws:

RdbmsException

from

public void from(FromItem from)
          throws RdbmsException,
                 UnsupportedRdbmsOperatorException

Throws:

RdbmsException

UnsupportedRdbmsOperatorException

getParameters

public List<?> getParameters()

limit

public void limit(Integer limit)

offset

public void offset(Integer offset)

orderBy

public void orderBy(SqlExpr expr,
                    boolean isAscending)
             throws UnsupportedRdbmsOperatorException

Throws:

UnsupportedRdbmsOperatorException

select

public QueryBuilder select(SqlExpr expr)
                    throws UnsupportedRdbmsOperatorException

Throws:

UnsupportedRdbmsOperatorException

toString

public String toString()

Overrides:

toString in class Object