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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.expression 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.h2.expression.Expression
      org.h2.expression.Aggregate

Aggregate
public class Aggregate extends Expression (Code)
Implements the integrated aggregate functions, such as COUNT, MAX, SUM.


Field Summary
final public static  intCOUNT_ALLCOUNTSUMMINMAXAVG
    
final public static  intGROUP_CONCATSTDDEV_POPSTDDEV_SAMP
    
final public static  intVAR_POPVAR_SAMPSOMEEVERYSELECTIVITY
    

Constructor Summary
public  Aggregate(Database database, int type, Expression on, Select select, boolean distinct)
    

Method Summary
public static  intgetAggregateType(String name)
    
public  intgetAggregateType()
    
public  intgetCost()
    
public  intgetDisplaySize()
    
public  longgetPrecision()
    
public  StringgetSQL()
    
public  intgetScale()
    
public  intgetType()
    
public  ValuegetValue(Session session)
    
public  booleanisEverything(ExpressionVisitor visitor)
    
public  voidmapColumns(ColumnResolver resolver, int level)
    
public  Expressionoptimize(Session session)
    
public  voidsetEvaluatable(TableFilter tableFilter, boolean b)
    
public  voidsetOrder(ObjectArray orderBy)
    
public  voidsetSeparator(Expression separator)
    
public  voidupdateAggregate(Session session)
    

Field Detail
COUNT_ALLCOUNTSUMMINMAXAVG
final public static int COUNT_ALLCOUNTSUMMINMAXAVG(Code)



GROUP_CONCATSTDDEV_POPSTDDEV_SAMP
final public static int GROUP_CONCATSTDDEV_POPSTDDEV_SAMP(Code)



VAR_POPVAR_SAMPSOMEEVERYSELECTIVITY
final public static int VAR_POPVAR_SAMPSOMEEVERYSELECTIVITY(Code)




Constructor Detail
Aggregate
public Aggregate(Database database, int type, Expression on, Select select, boolean distinct)(Code)




Method Detail
getAggregateType
public static int getAggregateType(String name)(Code)



getAggregateType
public int getAggregateType()(Code)



getCost
public int getCost()(Code)



getDisplaySize
public int getDisplaySize()(Code)



getPrecision
public long getPrecision()(Code)



getSQL
public String getSQL()(Code)



getScale
public int getScale()(Code)



getType
public int getType()(Code)



getValue
public Value getValue(Session session) throws SQLException(Code)



isEverything
public boolean isEverything(ExpressionVisitor visitor)(Code)



mapColumns
public void mapColumns(ColumnResolver resolver, int level) throws SQLException(Code)



optimize
public Expression optimize(Session session) throws SQLException(Code)



setEvaluatable
public void setEvaluatable(TableFilter tableFilter, boolean b)(Code)



setOrder
public void setOrder(ObjectArray orderBy)(Code)



setSeparator
public void setSeparator(Expression separator)(Code)



updateAggregate
public void updateAggregate(Session session) throws SQLException(Code)



Methods inherited from org.h2.expression.Expression
public void addFilterConditions(TableFilter filter, boolean outerJoin)(Code)(Java Doc)
public void createIndexConditions(Session session, TableFilter filter) throws SQLException(Code)(Java Doc)
public String getAlias()(Code)(Java Doc)
public Boolean getBooleanValue(Session session) throws SQLException(Code)(Java Doc)
public String getColumnName()(Code)(Java Doc)
abstract public int getCost()(Code)(Java Doc)
abstract public int getDisplaySize()(Code)(Java Doc)
public Expression getNonAliasExpression()(Code)(Java Doc)
public Expression getNotIfPossible(Session session)(Code)(Java Doc)
public int getNullable()(Code)(Java Doc)
abstract public long getPrecision()(Code)(Java Doc)
abstract public String getSQL()(Code)(Java Doc)
abstract public int getScale()(Code)(Java Doc)
public String getSchemaName()(Code)(Java Doc)
public String getTableAlias()(Code)(Java Doc)
public String getTableName()(Code)(Java Doc)
abstract public int getType()(Code)(Java Doc)
abstract public Value getValue(Session session) throws SQLException(Code)(Java Doc)
public boolean isAutoIncrement()(Code)(Java Doc)
public boolean isConstant()(Code)(Java Doc)
abstract public boolean isEverything(ExpressionVisitor visitor)(Code)(Java Doc)
final public boolean isEverything(int expressionVisitorType)(Code)(Java Doc)
public boolean isValueSet()(Code)(Java Doc)
public boolean isWildcard()(Code)(Java Doc)
abstract public void mapColumns(ColumnResolver resolver, int level) throws SQLException(Code)(Java Doc)
abstract public Expression optimize(Session session) throws SQLException(Code)(Java Doc)
public Expression optimizeInJoin(Session session, Select select) throws SQLException(Code)(Java Doc)
abstract public void setEvaluatable(TableFilter tableFilter, boolean value)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
abstract public void updateAggregate(Session session) throws SQLException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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