QueryExpression (Teiid 15.0.0 API)

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 Description

QueryExpression()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	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)
```