AggregateNode (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.hql.ast.tree
Class AggregateNode

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.AbstractSelectExpression
                          org.hibernate.hql.ast.tree.AggregateNode

All Implemented Interfaces:: antlr.collections.AST, InitializeableNode, SelectExpression, Serializable

public class AggregateNode
extends AbstractSelectExpression
implements SelectExpression

Represents an aggregate function i.e. min, max, sum, avg.

Author:: josh Sep 21, 2004 9:22:02 PM
See Also:: Serialized Form

Field Summary

Fields inherited from class antlr.BaseAST

down, right

Constructor Summary

AggregateNode()


Method Summary

Type getDataType()
          Returns the data type of the select expression.

void setScalarColumnText(int i)
          Appends AST nodes that represent the columns after the current AST node.

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

getAlias, getFromElement, isConstructor, isReturnableEntity, isScalar, setAlias

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

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

Methods inherited from interface org.hibernate.hql.ast.tree.SelectExpression

getAlias, getFromElement, isConstructor, isReturnableEntity, isScalar, setAlias, setText

Constructor Detail

AggregateNode

public AggregateNode()

Method Detail

getDataType

public Type getDataType()

Description copied from interface: SelectExpression

Returns the data type of the select expression.

Specified by:: getDataType in interface SelectExpression
Overrides:: getDataType in class SqlNode

setScalarColumnText

public void setScalarColumnText(int i)
                         throws antlr.SemanticException