SelectClause (Hibernate Core Aggregator 3.6.10.Final API)

java.lang.Object
- antlr.BaseAST
- - antlr.CommonAST
  - - org.hibernate.hql.ast.tree.Node
    - - org.hibernate.hql.ast.tree.SqlNode
      - org.hibernate.hql.ast.tree.HqlSqlWalkerNode
        
        org.hibernate.hql.ast.tree.SelectExpressionList
        
        org.hibernate.hql.ast.tree.SelectClause

All Implemented Interfaces:

antlr.collections.AST, Serializable, InitializeableNode
```
public class SelectClause
extends SelectExpressionList
```
Represents the list of expressions in a SELECT clause.

Author:

josh

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static boolean VERSION2_SQL
- Fields inherited from class antlr.BaseAST
  down, right

Fields
Modifier and Type	Field and Description
`static boolean`	`VERSION2_SQL`

Constructor Summary

Constructors
Constructor and Description

SelectClause()

Constructors
Constructor and Description
`SelectClause()`

Method Summary

Methods
Modifier and Type	Method and Description
`AggregatedSelectExpression`	`getAggregatedSelectExpression()`
`List`	`getCollectionFromElements()`
`String[][]`	`getColumnNames()` The column alias names being used in the generated SQL.
`int`	`getColumnNamesStartPosition(int i)`
`protected antlr.collections.AST`	`getFirstSelectExpression()` Returns the first select expression node that should be considered when building the array of select expressions.
`List`	`getFromElementsForLoad()` FromElements which need to be accounted for in the load phase (either for return or for fetch).
`String[]`	`getQueryReturnAliases()` The HQL aliases, or generated aliases
`Type[]`	`getQueryReturnTypes()` The types actually being returned from this query at the "object level".
`void`	`initializeDerivedSelectClause(FromClause fromClause)` Prepares a derived (i.e., not explicitly defined in the query) select clause.
`void`	`initializeExplicitSelectClause(FromClause fromClause)` Prepares an explicitly defined select clause.
`boolean`	`isDistinct()`
`boolean`	`isScalarSelect()` Does this SelectClause represent a scalar query

Methods inherited from class org.hibernate.hql.ast.tree.SelectExpressionList
collectSelectExpressions

Methods inherited from class org.hibernate.hql.ast.tree.HqlSqlWalkerNode
getAliasGenerator, getASTFactory, getSessionFactoryHelper, getWalker, initialize

Methods inherited from class org.hibernate.hql.ast.tree.SqlNode
getDataType, getOriginalText, setDataType, setText

Methods inherited from class org.hibernate.hql.ast.tree.Node
getColumn, getFilename, getLine, getRenderText, getTextLength, initialize, initialize

Methods inherited from class antlr.CommonAST
getText, getType, initialize, setType

Methods inherited from class antlr.BaseAST
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - VERSION2_SQL
```
public static boolean VERSION2_SQL
```
- Constructor Detail
  - SelectClause
```
public SelectClause()
```
- Method Detail
  - isScalarSelect
```
public boolean isScalarSelect()
```
    Does this SelectClause represent a scalar query
    
    Returns:
    True if this is a scalara select clause; false otherwise.
  - isDistinct
```
public boolean isDistinct()
```
  - getFromElementsForLoad
```
public List getFromElementsForLoad()
```
    FromElements which need to be accounted for in the load phase (either for return or for fetch).
    
    Returns:
    List of appropriate FromElements.
  - getQueryReturnTypes
```
public Type[] getQueryReturnTypes()
```
    The types actually being returned from this query at the "object level".
    
    Returns:
    The query return types.
  - getQueryReturnAliases
```
public String[] getQueryReturnAliases()
```
    The HQL aliases, or generated aliases
    
    Returns:
    the aliases
  - getColumnNames
```
public String[][] getColumnNames()
```
    The column alias names being used in the generated SQL.
    
    Returns:
    The SQL column aliases.
  - getAggregatedSelectExpression
```
public AggregatedSelectExpression getAggregatedSelectExpression()
```
  - initializeExplicitSelectClause
```
public void initializeExplicitSelectClause(FromClause fromClause)
                                    throws antlr.SemanticException
```
    Prepares an explicitly defined select clause.
    
    Parameters:
    fromClause - The from clause linked to this select clause.
    
    Throws:
    
    antlr.SemanticException - indicates a semntic issue with the explicit select clause.
  - getColumnNamesStartPosition
```
public int getColumnNamesStartPosition(int i)
```
  - initializeDerivedSelectClause
```
public void initializeDerivedSelectClause(FromClause fromClause)
                                   throws antlr.SemanticException
```
    Prepares a derived (i.e., not explicitly defined in the query) select clause.
    
    Parameters:
    fromClause - The from clause to which this select clause is linked.
    
    Throws:
    
    antlr.SemanticException
  - getFirstSelectExpression
```
protected antlr.collections.AST getFirstSelectExpression()
```
    Description copied from class: SelectExpressionList
    
    Returns the first select expression node that should be considered when building the array of select expressions.
    
    Specified by:
    
    getFirstSelectExpression in class SelectExpressionList
    
    Returns:
    the first select expression node that should be considered when building the array of select expressions
  - getCollectionFromElements
```
public List getCollectionFromElements()
```

Class SelectClause

Field Summary

Fields inherited from class antlr.BaseAST

Constructor Summary

Method Summary

Methods inherited from class org.hibernate.hql.ast.tree.SelectExpressionList

Methods inherited from class org.hibernate.hql.ast.tree.HqlSqlWalkerNode

Methods inherited from class org.hibernate.hql.ast.tree.SqlNode

Methods inherited from class org.hibernate.hql.ast.tree.Node

Methods inherited from class antlr.CommonAST

Methods inherited from class antlr.BaseAST

Methods inherited from class java.lang.Object

Field Detail

VERSION2_SQL

Constructor Detail

SelectClause

Method Detail

isScalarSelect

isDistinct

getFromElementsForLoad

getQueryReturnTypes

getQueryReturnAliases

getColumnNames

getAggregatedSelectExpression

initializeExplicitSelectClause

getColumnNamesStartPosition

initializeDerivedSelectClause

getFirstSelectExpression

getCollectionFromElements