org.teiid.language

Class QueryExpression

java.lang.Object

org.teiid.language.BaseLanguageObject

org.teiid.language.QueryExpression

All Implemented Interfaces:

Command, InsertValueSource, LanguageObject

Direct Known Subclasses:

Select, SetQuery

public abstract class QueryExpression
extends BaseLanguageObject
implements Command, InsertValueSource

Constructor Summary

Constructors

Constructor and Description
QueryExpression()

Method Summary

Modifier and Type	Method and Description
String[]	getColumnNames() Get the derived column names.
Class<?>[]	getColumnTypes() Get the column types of the output columns for this query
Limit	getLimit() Get LIMIT clause, may be null.
OrderBy	getOrderBy() Get ORDER BY clause, may be null.
abstract Select	getProjectedQuery()
With	getWith()
void	setLimit(Limit limit) Set LIMIT clause, may be null.
void	setOrderBy(OrderBy orderBy) Set ORDER BY clause, may be null.
void	setWith(With with)

Methods inherited from class org.teiid.language.BaseLanguageObject

toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.language.LanguageObject

acceptVisitor

Constructor Detail

QueryExpression

public QueryExpression()

Method Detail

getProjectedQuery

public abstract Select getProjectedQuery()

getOrderBy

public OrderBy getOrderBy()

Get ORDER BY clause, may be null.

Returns:

An ORDER BY object

getLimit

public Limit getLimit()

Get LIMIT clause, may be null.

Returns:

A LIMIT object

getColumnNames

public String[] getColumnNames()

Get the derived column names. Note this only reports alias names. Any other names may not be consistent throughout the translation process.

Returns:

a String[] containing the column names

Since:

4.3

getColumnTypes

public Class<?>[] getColumnTypes()

Get the column types of the output columns for this query

Returns:

a Class[] containing the column names

Since:

4.3

setOrderBy

public void setOrderBy(OrderBy orderBy)

Set ORDER BY clause, may be null.

Parameters:

orderBy - An ORDER BY object

setLimit

public void setLimit(Limit limit)

Set LIMIT clause, may be null.

Parameters:

limit - A LIMIT object

getWith

public With getWith()

setWith

public void setWith(With with)