org.apache.ignite.internal.processors.query.h2.sql

Class GridSqlAggregateFunction

java.lang.Object

org.apache.ignite.internal.processors.query.h2.sql.GridSqlElement

org.apache.ignite.internal.processors.query.h2.sql.GridSqlFunction

org.apache.ignite.internal.processors.query.h2.sql.GridSqlAggregateFunction

All Implemented Interfaces:

GridSqlAst

public class GridSqlAggregateFunction
extends GridSqlFunction

Aggregate function.

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlFunction

type

Constructor Summary

Constructors

Constructor and Description
GridSqlAggregateFunction(boolean distinct, GridSqlFunctionType type)
GridSqlAggregateFunction(boolean distinct, int typeId)

Method Summary

Modifier and Type	Method and Description
boolean	distinct()
String	getSQL()
protected static boolean	isValidType(int typeId) Checks if the aggregate type is valid.

Methods inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlFunction

name, type

Methods inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlElement

addChild, child, child, child, equals, hashCode, resultType, resultType, size, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

GridSqlAggregateFunction

public GridSqlAggregateFunction(boolean distinct,
                                GridSqlFunctionType type)

Parameters:

distinct - Distinct.

type - Type.

GridSqlAggregateFunction

public GridSqlAggregateFunction(boolean distinct,
                                int typeId)

Parameters:

distinct - Distinct.

typeId - Type.

Method Detail

isValidType

protected static boolean isValidType(int typeId)

Checks if the aggregate type is valid.

Parameters:

typeId - Aggregate type id.

Returns:

True is valid, otherwise false.

distinct

public boolean distinct()

Returns:

Distinct.

getSQL

public String getSQL()

Specified by:

getSQL in interface GridSqlAst

Overrides:

getSQL in class GridSqlFunction

Returns:

Generate sql from this AST.