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.

Field Summary

Fields

Modifier and Type	Field and Description
static String	AGGREGATION_FUNCTION_AVG This represents the average aggregation function
static String	AGGREGATION_FUNCTION_COUNT This represents the count aggregation function
static String	AGGREGATION_FUNCTION_MAX This represents the maximum aggregation function
static String	AGGREGATION_FUNCTION_MIN This represents the minimum aggregation function
static String	AGGREGATION_FUNCTION_SUM This represents the summary aggregation function

Method Summary

Modifier and Type	Method and Description
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

static final String AGGREGATION_FUNCTION_COUNT

This represents the count aggregation function

See Also:

Constant Field Values

AGGREGATION_FUNCTION_AVG

static final String AGGREGATION_FUNCTION_AVG

This represents the average aggregation function

See Also:

Constant Field Values

AGGREGATION_FUNCTION_SUM

static final String AGGREGATION_FUNCTION_SUM

This represents the summary aggregation function

See Also:

Constant Field Values

AGGREGATION_FUNCTION_MIN

static final String AGGREGATION_FUNCTION_MIN

This represents the minimum aggregation function

See Also:

Constant Field Values

AGGREGATION_FUNCTION_MAX

static final String AGGREGATION_FUNCTION_MAX

This represents the maximum aggregation function

See Also:

Constant Field Values

Method Detail

getExpression

IExpression getExpression()

Returns the expression for this symbol.

Specified by:

getExpression in interface IExpressionSymbol

Returns:

IExpression

getAggregateFunction

String getAggregateFunction()

Returns the aggregate function type;.

Returns:

IExpression

isDistinct

boolean isDistinct()

Returns whether the aggregation is distinct

Returns:

boolean