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Cannot sort descending, when ordering by caluculated float in a method

. public class InvoiceItem{     private float price;     private float amount;     .. } public class Invoice{     private List invoiceItemList;     ..     public Float getPrice

ObjectDB Object Database Features

(for persistent fields) Primitive types (boolean, byte, short, char, int, long, float , double). Wrapper types (Boolean, Byte, Short, Character, Integer, Long, Float , Double). java.lang.String Date types ... Types Primitives (boolean, byte, short, char, int, long, float and double). Wrappers (Boolean, Byte

JPA Persistable Types

data types are persistable: Primitive types: boolean , byte , short , char , int , long , float ... , Integer , Long , Float and Double . java.math.BigInteger , java.math.BigDecimal . java.lang.String . java

Index Definition

, long , float , double Equivalent wrapper classes from the java.lang package: Byte , Short , Character , Integer , Long , Float , Double java.math.BigInteger , java.math.BigDecimal java.lang.String java

Database Schema Evolution

types are: byte , short , char , int , long , float , double , Byte , Short , Character , Integer , Long , Float , Double , BigInteger , BigDecimal , and enum values that are stored as numeric ordinal

Comparison in JPQL and Criteria API

, float , double ), their corresponding wrapper types ( Byte , Short , Character , Integer , Long , Float , Double ), BigInteger , and BigDecimal . String values: Any comparison operator can be used

JPA Primary Key

, long , float , and double . Equivalent wrapper classes from the java.lang package: Byte , Short , Character , Integer , Long , Float , and Double . java.math.BigInteger and java.math.BigDecimal . java

Numbers in JPQL and Criteria Queries

byte , short , int , long , float , double , BigInteger , and BigDecimal . Unary Operators Creating

Literals in JPQL and Criteria Queries

, -127L, 0L, 07777L float : 3.14F, 0f, 1e2f, -2.f, 5.04e+17f double : 3.14, 0d, 1e2D, -2., 5.04e+17

jakarta.persistence.MappedSuperclass

to PT_EMP.ADDR_ID fk @Column(name = "WAGE") protected Float hourlyWage; public PartTimeEmployee() {} public Float getHourlyWage() { ... } public void setHourlyWage( Float wage

jakarta.persistence.AttributeOverride

protected Float wage(); public Float getHourlyWage() { ... } public void setHourlyWage( Float wage

Pre-detach loading: retrieval by navigation not working in if statement

' which is a "deep" Float value wrapper FloatQuantity entity. This is @OneToOne with explicit LAZY fetch. - A FloatQuantity entity wraps a simple Float property 'value'. - (Also, the getL_LightingZone ... : @Transient public Float getNLA_m2_LightingZone() { Float sum = 0f; if (getL_LightingZone() != null

jakarta.persistence.criteria.PluralJoin

to support casting scalar expressions to String , and String expressions to Integer , Long , Float

jakarta.persistence.criteria.Path

, and String expressions to Integer , Long , Float , and Double . Support for typecasts between other basic

jakarta.persistence.criteria.Predicate

to String , and String expressions to Integer , Long , Float , and Double . Support for typecasts

jakarta.persistence.criteria.MapJoin

to Integer , Long , Float , and Double . Support for typecasts between other basic types is not required

jakarta.persistence.criteria.ParameterExpression

expressions to Integer , Long , Float , and Double . Support for typecasts between other basic types is not

jakarta.persistence.criteria.Root

expressions to Integer , Long , Float , and Double . Support for typecasts between other basic types is not

jakarta.persistence.criteria.Subquery

to Integer , Long , Float , and Double . Support for typecasts between other basic types is not

jakarta.persistence.criteria.SetJoin

casting scalar expressions to String , and String expressions to Integer , Long , Float , and Double

jakarta.persistence.criteria.CriteriaBuilder.Case

casting scalar expressions to String , and String expressions to Integer , Long , Float , and Double

jakarta.persistence.criteria.CriteriaBuilder

) Create an aggregate expression applying the sum operation to a Float -valued expression, returning

jakarta.persistence.criteria.CriteriaBuilder.In

, Long , Float , and Double . Support for typecasts between other basic types is not required

jakarta.persistence.criteria.CriteriaBuilder.Coalesce

casting scalar expressions to String , and String expressions to Integer , Long , Float , and Double

jakarta.persistence.criteria.CollectionJoin

, Long , Float , and Double . Support for typecasts between other basic types is not required

jakarta.persistence.criteria.Expression

, Float , and Double . Support for typecasts between other basic types is not required. Parameters: type

jakarta.persistence.criteria.CriteriaBuilder.SimpleCase

to support casting scalar expressions to String , and String expressions to Integer , Long , Float

jakarta.persistence.criteria.ListJoin

to support casting scalar expressions to String , and String expressions to Integer , Long , Float

jakarta.persistence.criteria.From

scalar expressions to String , and String expressions to Integer , Long , Float , and Double . Support

jakarta.persistence.criteria.Join

to Integer , Long , Float , and Double . Support for typecasts between other basic types is not

jakarta.persistence.criteria.CriteriaBuilder.sumAsDouble(Expression)

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression sumAsDouble (    Expression x ) Create an aggregate expression applying the sum operation to a Float -valued expression, returning a Double result. Parameters: x - expression representing input

jakarta.persistence.criteria.Expression.cast(Class)

to support casting scalar expressions to String , and String expressions to Integer , Long , Float

find() cost unreasonable time!

();   System.out.printf("Total: %d, Level:%d %n", iNum, iLevel);   float timecost

Composite indexes

(kitchen, bedroom etc.) Date lastModificationDate; // date of last modification Float rating; //users

problem using macbook with M1 chip?

, float ) [2]     7  return       Line numbers:        

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

](TEST: A readonly deep float quantity) INFO: RequestBean []: Persisted: com.greensoft.entity.value.FloatQuantity [61](TEST: A readonly deep float quantity) INFO: RequestBean []: Updated: com.greensoft.entity.value.FloatQuantity [61](TEST: A readonly deep float quantity) INFO: RequestBean []: Created

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

][project=TEST: project 1][id=46][name=deep float quantity (length)], [class=IntegerQuantity ... : element.ownedElement([class=FloatQuantity][project=TEST: project 1][id=46][name=deep float quantity

Enhanced classes problem

several long, int, float and boolean values. Both CacheableJobAccountingInfo and CacheableJobStat extends