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with a string parameter select f from Foo f where substring(f.name, 1, 1) = ?1 but when i use a char , the query does not return anything. i think it should also be possible to use char /Character types ... ) is Character . In ObjectDB as in Java char is comparable to int but not to String. Maybe an exception

JPA Enum Constant in javax.persistence.DiscriminatorType CHAR Single character as the discriminator type. Since: JPA 1.0

Characters The TRIM([[LEADING|TRAILING|BOTH] [ char ] FROM] str) function returns a string after removing ... |TRAILING|BOTH] [ char ] FROM] str) Expression  t1 = cb. trim (path); Expression t2 = cb. trim

System Types (for persistent fields) Primitive types (boolean, byte, short, char , int, long, float ... . Primary Key Data Types Primitives (boolean, byte, short, char , int, long, float and double). Wrappers

All the following simple Java data types are persistable: Primitive types: boolean , byte , short , char

, BOTH, BY, CASE, CHAR _LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT_DATE, CURRENT

: Primitive types: boolean , byte , short , char , int , long , float , double. Equivalent wrapper

type to any numeric type. In this context numeric types are: byte , short , char , int , long

, including primitive types ( byte , short , char , int , long , float , double ), wrapper types ( Byte

, char , int , long , float , double . Equivalent wrapper classes from package java.lang: Byte

;pattern,  char  escapeChar) Create a predicate for testing whether the expression satisfies ... Predicate like ( Expression  x, String pattern,  char  escapeChar) Create ... ; Expression  pattern,  char  escapeChar) Create a predicate for testing

chars in database (when i put in database some strings with polish chars and get them and show in .jsp there are polish chars ) But in this way I'm unnable to write polisch chars just on the site. When I use ISO-8859-2 or UTF-8 there are polish chars on .jsp but when i put them to database

Test 6 fails because in comparison of Object ( Attribute.getValue() ) with char literal ('5 ... and a char the char is converted into string. A possible workaround is to use a string parameter instead

.04e+17f , ... double 3.14, 0d, 1e2D, -2., 5.04e+17 , ... char 'x', '@', '\n', '\\', '\'', '\uFFFF ... numeric types ( byte , short , char , int , long , float , double ). Logical Operators Logical ... rather than boolean . Valid types include numeric primitive types ( byte , short , char , int , long , float , double

String username; private char [] password; private Map options; /** * User. */ protected String login ... File | Settings | File Templates. } login = ((NameCallback) callbacks[0]).getName(); char

(but reduced to a 22 char instead of actual 36 char )   - Would it bring someting to specify

.Date , java.sql.Time , java.sql.Timestamp , byte[] , Byte[] , char [] , Character[] , enums, and any

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate notLike (    Expression  x,    String pattern,     char  escapeChar ) Create a predicate for testing whether the expression does not satisfy the given pattern. Parameters: x

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate notLike (    Expression  x,     Expression  pattern,     char  escapeChar ) Create a predicate for testing whether the expression does not satisfy the given pattern. Parameters

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate like (    Expression  x,    String pattern,     char  escapeChar ) Create a predicate for testing whether the expression satisfies the given pattern. Parameters: x - string

JPA Method in javax.persistence.criteria.CriteriaBuilder Expression trim (   CriteriaBuilder.Trimspec ts,     char  t,     Expression  x ) Create expression to trim character from a string. Parameters: ts - trim specification t - character

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate like (    Expression  x,     Expression  pattern,     char  escapeChar ) Create a predicate for testing whether the expression satisfies the given pattern. Parameters: x - string

JPA Enum DiscriminatorType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.DiscriminatorType Defines supported types of the discriminator column. Since: JPA 1.0 Enum Constants CHAR Single character as the discriminator type. Since: JPA 1.0 INTEGER Integer as the discriminator

JPA Method in javax.persistence.criteria.CriteriaBuilder Expression trim (    char  t,     Expression  x ) Create expression to trim character from both ends of a string. Parameters: t - character to be trimmed x - expression for string to trim Return: trim expression Since: JPA 2.0

I have a class that is persisting a Entity that holds remarks and a time. Then when I query for the latest remark I get a internal error when the remark is larger than 1966 chars . Here is a test class and entity that reproduces the problem on my system. @Entity @Table(name = "TestEntity", schema

sData; } public void setsData(String sData) {   this.sData = sData;   char [] ca = sData

I store images into objectdb. The schema is : ::=( , , , , ) ::=String ::= char ::=int ::=byte[] ::=@ID So simple a class will fail after 155,648 insertions with -Xmx1432m, ... NO = 151552 @ 8042217472 id = 0 @ 7703244276 Url = http://cimg2.163.com/catchpic/E/E9/E96492634557CE291CDF3AADC710F373.jpg

I have upgraded from 2.3.7 to 2.4.4 and now my activation won't work, throwing the dreaded com.objectdb.o.UserException: Too many persistable types (10) - exceeds evaluation limit I have already reactivated and checked that my objectdb.conf is correctly used (by inserting random chars

; invokevirtual java.lang.StringBuilder.append( char ) : java.lang.StringBuilder [15]     55 

predefined system types are also persistent types: All the primitive types - boolean , byte , short , char

: embedded value types: primitive type ( boolean , byte , short , char , int , long , float or double

, and there comes only Exceptions when the values becomes sometimes relativly long ( 256 chars ). When I cut ... smaller than 256 characters? support Support When I cut the values in the map to 256 chars , it runs

to a 22 char instead of actual 36 char )   - Would it bring someting to specify the length

for the field Since: JDO 1.0 char getCharField (PersistenceCapable pc, int field,  char ... Since: JDO 1.0 void providedCharField (PersistenceCapable pc, int field,  char   ... instance field - the field number Return: the new value for the field Since: JDO 1.0 char

JDO Method in javax.jdo.spi.StateManager void setCharField (   PersistenceCapable pc,    int field,     char  currentValue,     char  newValue ) Mark the field as modified by the user. Parameters: pc - the calling

- the target class str - the key Since: JDO 1.0 CharIdentity (Class pcClass,  char   ... - the other object Return: true if both objects represent the same object id Since: JDO 1.0 char

JDO Method in javax.jdo.spi.StateManager char getCharField (   PersistenceCapable pc,    int field,     char  currentValue ) Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number

JDO Method in javax.jdo.spi.StateManager void providedCharField (   PersistenceCapable pc,    int field,     char  currentValue ) The value of the field requested to be provided to the StateManager . Parameters: pc - the calling

JDO Method in javax.jdo.spi.StateManager char replacingCharField (   PersistenceCapable pc,    int field ) The replacement value of the field in the calling instance. Parameters: pc - the calling PersistenceCapable instance field - the field number Return: the new value for the field Since: JDO 1.0

JDO Method in javax.jdo.identity.CharIdentity char getKey () Return the key. Return: the key Since: JDO 1.0

JDO Constructor in javax.jdo.identity.CharIdentity CharIdentity (   Class pcClass,     char  key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0