com.sapportals.connector.execution.objects.language
Interface IAggregateSymbol

All Superinterfaces:

IExpressionSymbol, ILanguageObject, ISelectSymbol, ISymbol

public interface IAggregateSymbol

extends IExpressionSymbol

This interface marks SQL operation symbols that are a part of the SELECT clause of a query. The symbol is an aggregate function. In case the symbol is COUNT(*), the expression will be null.

Version:

1.0

Field Summary

static java.lang.String	AGGREGATION_FUNCTION_AVG This represents the average aggregation function
static java.lang.String	AGGREGATION_FUNCTION_COUNT This represents the count aggregation function
static java.lang.String	AGGREGATION_FUNCTION_MAX This represents the maximum aggregation function
static java.lang.String	AGGREGATION_FUNCTION_MIN This represents the minimum aggregation function
static java.lang.String	AGGREGATION_FUNCTION_SUM This represents the summary aggregation function

Method Summary

java.lang.String	getAggregateFunction() Returns the aggregate function type;.
IExpression	getExpression() Returns the expression for this symbol.
boolean	isDistinct() Returns whether the aggregation is distinct

Methods inherited from interface com.sapportals.connector.execution.objects.language.ISelectSymbol

getType

Methods inherited from interface com.sapportals.connector.execution.objects.language.ISymbol

getName

Field Detail

AGGREGATION_FUNCTION_COUNT

public static final java.lang.String AGGREGATION_FUNCTION_COUNT

This represents the count aggregation function

AGGREGATION_FUNCTION_AVG

public static final java.lang.String AGGREGATION_FUNCTION_AVG

This represents the average aggregation function

AGGREGATION_FUNCTION_SUM

public static final java.lang.String AGGREGATION_FUNCTION_SUM

This represents the summary aggregation function

AGGREGATION_FUNCTION_MIN

public static final java.lang.String AGGREGATION_FUNCTION_MIN

This represents the minimum aggregation function

AGGREGATION_FUNCTION_MAX

public static final java.lang.String AGGREGATION_FUNCTION_MAX

This represents the maximum aggregation function

Method Detail

getExpression

public IExpression getExpression()

Returns the expression for this symbol.

Specified by:

getExpression in interface IExpressionSymbol

Returns:

IExpression

getAggregateFunction

public java.lang.String getAggregateFunction()

Returns the aggregate function type;.

Returns:

IExpression

isDistinct

public boolean isDistinct()

Returns whether the aggregation is distinct

Returns:

boolean