Package de.businesscode.bcdui.wrs.load

Class SqlFromFullSelect

java.lang.Object

de.businesscode.bcdui.wrs.load.SqlFromFullSelect

public class SqlFromFullSelect
extends Object

Mainly handles SET operators like UNION and calls SqlFromSubSelect for each select. Takes the parent node of SELECTs, containing a single Select or Joined Selects, (formally a "full-select") in Wrq format and generates SQL from it together with the bound variables, ready to be executed

Field Summary

Fields

Modifier and Type	Field	Description
protected final Element	fullSelectParentElem
protected final SqlFromSubSelect	parent
protected WrqBindingSet	representingBindingSet
protected Set<StandardBindingSet>	resolvedBindingSets
protected LinkedList<WrsBindingItem>	selectedBindingItems
protected final WrqQueryBuilder	wrqQueryBuilder

Constructor Summary

Constructors

Constructor	Description
SqlFromFullSelect(WrqQueryBuilder wrqQueryBuilder, SqlFromSubSelect parent, Element fullSelectParent)	We are initialized for a full-select (SELECTs connected with SET operators).

Method Summary

Modifier and Type	Method	Description
protected SQLStatementWithParams	createSelectStatement()	Handles a "full-select", i.e., SELECT [ UNION SELECT ]* [ ORDER BY ]
WrqBindingSet	getRepresentingBindingSet()
Set<StandardBindingSet>	getResolvedBindingSets()
LinkedList<WrsBindingItem>	getSelectedBindingItems()
SQLStatementWithParams	getSelectStatement()

Methods inherited from class java.lang.Object

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

Field Details

fullSelectParentElem

protected final Element fullSelectParentElem

wrqQueryBuilder

protected final WrqQueryBuilder wrqQueryBuilder

selectedBindingItems

protected LinkedList<WrsBindingItem> selectedBindingItems

representingBindingSet

protected WrqBindingSet representingBindingSet

resolvedBindingSets

protected Set<StandardBindingSet> resolvedBindingSets

parent

protected final SqlFromSubSelect parent

Constructor Details

SqlFromFullSelect

public SqlFromFullSelect(WrqQueryBuilder wrqQueryBuilder,
 SqlFromSubSelect parent,
 Element fullSelectParent)
                  throws Exception

We are initialized for a full-select (SELECTs connected with SET operators).

Parameters:

fullSelectParent -

wrqQueryBuilder -

Throws:

Exception

Method Details

createSelectStatement

protected SQLStatementWithParams createSelectStatement()
                                                throws Exception

Handles a "full-select", i.e., SELECT [ UNION SELECT ]* [ ORDER BY ]

Throws:

Exception

getSelectStatement

public SQLStatementWithParams getSelectStatement()

getSelectedBindingItems

public LinkedList<WrsBindingItem> getSelectedBindingItems()

getRepresentingBindingSet

public WrqBindingSet getRepresentingBindingSet()

getResolvedBindingSets

public Set<StandardBindingSet> getResolvedBindingSets()