org.jpox.store.expression
Class TableExprAsJoins

java.lang.Object
  org.jpox.store.expression.LogicSetExpression
      org.jpox.store.expression.TableExprAsJoins

public class TableExprAsJoins
extends LogicSetExpression

A SQL table expression that joins superclass tables by joining them directly to the surrounding QueryStatement.

Version:

$Revision: 1.18 $

See Also:

QueryExpression

Field Summary

protected java.util.HashMap

rangeVarsByTable

Fields inherited from class org.jpox.store.expression.LogicSetExpression

embeddedFieldMappings, LOCALISER, mainRangeVar, mainTable, qs, sqlText, storeMgr

Constructor Summary

TableExprAsJoins(QueryExpression qs, DatastoreContainerObject mainTable, DatastoreIdentifier mainRangeVar)

Method Summary

java.lang.String	referenceColumn(DatastoreField col) Return an identifier/reference to the datastore field/column.
java.lang.String	toString()

Methods inherited from class org.jpox.store.expression.LogicSetExpression

assertNotFrozen, equals, getMainTable, getRangeVariable, hashCode, newFieldExpression

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

rangeVarsByTable

protected final java.util.HashMap rangeVarsByTable

Constructor Detail

TableExprAsJoins

public TableExprAsJoins(QueryExpression qs,
                        DatastoreContainerObject mainTable,
                        DatastoreIdentifier mainRangeVar)

Parameters:

qs - the QueryExpression

mainTable - the main table in the query

mainRangeVar - The alias/identifier of the table in the query

Method Detail

referenceColumn

public java.lang.String referenceColumn(DatastoreField col)

Description copied from class: LogicSetExpression

Return an identifier/reference to the datastore field/column.

Specified by:

referenceColumn in class LogicSetExpression

Parameters:

col - the column to have a reference

Returns:

identifier or fully qualified identifier

toString

public java.lang.String toString()

Specified by:

toString in class LogicSetExpression