Module io.ebean.api

Package io.ebean.config

Interface AggregateFormulaContext

public interface AggregateFormulaContext

Used when parsing formulas to determine if they are aggregation formulas like sum, min, max, avg, count etc.

Ebean needs to determine if they are aggregation formulas to determine which properties should be included in a GROUP BY clause etc.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	AggregateFormulaContext.Builder	A builder for the AggregateFormulaContext.

Method Summary

Modifier and Type	Method	Description
static AggregateFormulaContext.Builder	builder()	Return a builder for the AggregateFormulaContext.
boolean	isAggregate(String outerFunction)	Return true if the outer function is an aggregate function (like sum, count, min, max, avg etc).
boolean	isConcat(String outerFunction)	Return true if the aggregate function returns a VARCHAR type.
boolean	isCount(String outerFunction)	Return true if the aggregate function returns a BIGINT type.

Method Details

isAggregate

boolean isAggregate(String outerFunction)

Return true if the outer function is an aggregate function (like sum, count, min, max, avg etc).

isCount

boolean isCount(String outerFunction)

Return true if the aggregate function returns a BIGINT type. This is true for functions like count that return a numeric value regardless of the type of the property or expression inside the outer function.

isConcat

boolean isConcat(String outerFunction)

Return true if the aggregate function returns a VARCHAR type. This is true for functions that return a string concatenation like group_concat etc regardless of the type of the property used inside the outer function.

builder

static AggregateFormulaContext.Builder builder()

Return a builder for the AggregateFormulaContext.