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Manual
77

Database Schema Evolution

to any numeric type. In this context numeric types are: byte, short, char, int, long, float, double, Byte, Short, Character, Integer, Long, Float, Double, BigInteger, BigDecimal and enum values
Manual
77

JPA Persistable Types

: boolean, byte, short, char, int, long, float and double. Equivalent wrapper classes from package java.lang: Boolean, Byte, Short, Character, Integer, Long, Float and Double. java.math.BigInteger
Forum
34

Items in list are doubled, when the entity class is not enhanced

Dear all, I have a problem with adding items (entities) into other entity list. When the classes are not enhanced, added items are doubled. Here is an example: @Entity public class Customer ... ? Michael   I've found out a new thing - items are also doubled, when the classes are enhanced and before
Result
33

ObjectDB Object Database Features

using a recovery file and double writing. Additional recovery layer - supports full transaction ... 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: java.util.Date
Forum
33

Double persist of Entity field with Cascade.ALL

, you should see the Book table correctly recorded but the Chapter table would have double entry of same record
Manual
30

Numbers in JPQL and Criteria Queries

on an int value and a double value is double. The ABS Function The ABS function removes the minus sign from ... of any type and always returns a double value. Criteria Query Arithmetic Expressions JPQL ... , double, BigInteger, BigDecimal) are supported. Unary Operators Creation of the unary minus
Manual
26

Comparison in JPQL and Criteria API

, char, int, long, float, double), wrapper types (Byte, Short, Character, Integer, Long, Float, Double ... detailed above. Therefore, for example, a double value can be compared to a BigInteger instance
Manual
26

Literals in JPQL and Criteria Queries

, 0L, 07777L float: 3.14F, 0f, 1e2f, -2.f, 5.04e+17f double: 3.14, 0d, 1e2D, -2., 5.04e+17 ObjectDB ... are enclosed with double quotes (e.g. "Adam", "") and Java escape characters can be used (e.g. "Adam\'s ... ); Expression i2 = cb.literal(Integer.ValueOf(2)); Expression<Double> d = cb.literal(3.4
Manual
21

Database Explorer

directory a path to it has to be specified. Alternatively, you can run the Explorer by double ... values inline in the Tree and Table viewer windows. Editing is started by double clicking the field
Manual
21

GROUP BY and HAVING clauses

of numeric values. AVG - returns the average of numeric values as a double value. MIN - returns the minimum ... representing the sum of values. avg - returns a double type expression representing the average