char « Data Type « JPA Q&A

1. Hibernate and special chars stackoverflow.com

Imagine I have a database with one table, this table has only one field named "word" and some other data, imagine also that user can search data by typing contents of ...

2. Hibernate JPA, MySQL and TinyInt(1) for Boolean instead of bit or char stackoverflow.com

Here is my JPA2 / Hibernate definition:

Code:
@Column(nullable = false)
private boolean enabled;

In MySql this column is resolved to a bit(1) datatype - which does not work for me. For legacy issues I ...

3. Oracle Char type and Hibernate stackoverflow.com

I have a oracle table which contains char(n) type for several columns. I use hibernate tools to create entities objets and this tool map char type in String. But when I deploy ...

4. JPA2 Criteria API .as(String.class) casting to char(1) - How do I work around this? stackoverflow.com

Using the criteria api, I have a query which does something like:

CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<SourcePath> pathQuery = cb.createQuery(SourcePath.class);
Root<SourcePath> pathRoot = pathQuery.from(SourcePath.class);
pathQuery.where(cb.equal(cb.literal(0x00010002).as(String.class), (pathRoot.get(SourcePath_.path))));

TypedQuery<SourcePath> query = entityManager.createQuery(pathQuery);
query.getResultList();

The resulting sql query results something like:

select ...

5. Hibernate 2. Bump the size of a colomn to 256 chars coderanch.com

6. How to write to TO_CHAR and TO_DATE in HQL coderanch.com

7. Problems with Oracle's CHAR datatype and JPA java.net

I had a similar issue and it almost drove me mad. The resolution for me was to have the char lengths all the same size (fitting the data). The only thing I can think of if you need variable data lengths in the fields is to change the type varchar. I don't know if this is a viable solution.

8. decrypt_char hibernate informix forum.hibernate.org

9. Char padding forum.hibernate.org

I have an existing database that i cannot change, unfortunately they have used CHAR instead of VARCHAR, so we are going to have to code around padding issues. I attempted to remedy this by using a view and using TRIM to get rid of the padding, however when I do an insert on the trimmed fields I get: [WARN] JDBCExceptionReporter - ...

10. Representing a boolean using a char(1) forum.hibernate.org

What is the best suggestion for a mapping file when the domain model contains a boolean value, but it is stored in the database as a single char. This is one of those cases when 'Y' = true and 'N' = false. So far I have created two methods in my domain model: Code: public boolean getValueBoolean() { ...

11. Can I use to_char with Hibernate? forum.hibernate.org

12. How to use to_date()to_char() in oracle for HQL forum.hibernate.org

13. Any way to tell hibernate that to_char is valid? forum.hibernate.org

I have a query that uses the function to_char(). I know it's not standard, but I can't figure out how to sort by year/month in reporting queries. This is the query I'm trying to use. Actually, the sql that it generates is valid as it works in my database admin tool (phpPgAdmin) for postgres 7.5. Code: ...

14. Char encoding problem forum.hibernate.org

Hello all! I have a problem related to char encoding when saving objects to database. I'm using Hibernate v2, MySQL 4.1.12, Tapestry and Mac OS X 10.4. The database is using default char encoding (latin1). There is no problem at all when I get objects from database, but when I save them I'm in trouble. I have a table with users, ...

15. Is there a way to escape % and _ wildcard chars using HQL? forum.hibernate.org

A question that has been asked on this forum, but doesn't seem to have an answer. I basically want to use a named parameter with a value of 'Hello_World%' and actually have a SQL statement generated that escapes the wildcard characters. Is this possible for Hibernate to do this in a database agnostic way? If so, please point me to that ...

16. Bug or feature Properties with second Char in upcase forum.hibernate.org

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17. turkish chars forum.hibernate.org

I am using hibernate 3.0 and mysql 4.0.15. I have some problems with turkish chars(i-with no dot, s-with dot and some others). hibernate save records that include some of the chars above as '?'. for example when i save 'kaml' it saves it like 'kam?l'. Also i have an other question. after enabling show_sql i see the sql queries on the ...

18. Can't store foreign chars with Hibernate into MySQL... forum.hibernate.org

[b] Eclipse: 3.0.1 [b]Hibernate version: 3.0.5 [b]Name and version of the database you are using: MySQL 4.0 Hi... I'm having problem saving chinese chars with Hibernate into MySQL InnoDB. I'm using Eclipse 3.0 IDE to code Java/Hibernate. I config Eclipse and MySQL Admin to use UTF-8. I also explicitly set hibernate.connection.chatSet = utf-8. I'm testing my Java app using static main() ...

19. Problems with trunc and to_char forum.hibernate.org

20. Number is first char in column name leads to error (MSSQL) forum.hibernate.org

21. Oracle FIXED_CHAR read problem forum.hibernate.org

Author Message acrane13 Post subject: Oracle FIXED_CHAR read problem Posted: Mon Apr 17, 2006 5:40 pm Newbie Joined: Mon Mar 13, 2006 5:19 pm Posts: 5 Hibernate version: 3.1.2 Mapping documents: Working Code:

22. UserType with CHAR(4) SQL type forum.hibernate.org

I've created a new user type for which I'd like an underlying SQL type of CHAR(4). The UserType can define the sql type through the method sqlTypes(). However, looks like I can only choose between Types.CHAR and Types.VARCHAR. Types.CHAR is of size 1, and Types.VARCHAR is of size 255. The first option doesn't work, the second is ok, but not optimal. ...

23. On retrieval the String is getting truncated to 255 chars forum.hibernate.org

24. Char column inserting value despite not setting hibernate at forum.hibernate.org

I have a table which a column of type char(1) and default value is null My Hibernate Object has an attribute which is of type char When I try to insert a record in the table. I dont set the status to any value and do a session.save. The status column is populated with a value and not its default value ...

25. How to get object in Hibernate where primaryKey is char[11]? forum.hibernate.org

I have a table for eg: User_tab. The primarykey is id having datatype of char[11]. I associated the table with Usertab.java and primarykey with String. while i want to get the Object using Session.load(Usertab.class,id) i am not getting the result . I tried in different ways but i am not getting the result. How do i do This? Using load in ...

26. NumberFormatException on char data forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.1.2: Code: List results = session.createSQLQuery(sqlQuery).list(); Caused by: com.jnetdirect.jsql.JSQLException: java.lang.NumberFormatException: For input string: "WV" at com.jnetdirect.jsql.JSQLException.makeFromDriverError(JSQLException.java:70) at com.jnetdirect.jsql.JSQLStatement.getRowsetField(JSQLStatement.java:867) at com.jnetdirect.jsql.JSQLResultSet.getInt(JSQLResultSet.java:328) at com.jnetdirect.jsql.JSQLResultSet.getInt(JSQLResultSet.java:337) at org.apache.commons.dbcp.DelegatingResultSet.getInt(DelegatingResultSet.java:236) at org.hibernate.type.IntegerType.get(IntegerType.java:28) at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:113) at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:140) at org.hibernate.loader.custom.CustomLoader.getResultColumnOrRow(CustomLoader.java:183) at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:595) at org.hibernate.loader.Loader.doQuery(Loader.java:689) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224) at org.hibernate.loader.Loader.doList(Loader.java:2145) Name and version of the database you are using: ...

27. How to represent Char(n) in Hibernate without space problem forum.hibernate.org

Hibernate version: 3.0 Name and version of the database :Oracle 10g General Question :: How can i trim String data for using it with Char in Oracle eg: I have a table with Char(5) and data less than 5 chars then i am getting spaces in place of rest of the characters., which i dont want., How can overcome this problem ...

28. Java 5 enum & CHAR(1) column forum.hibernate.org

You can use a char member variable in your java class & map it with access=field. Lazy initialization of the enum variable can be done from the char variable, and setting the enum variable can set the char as well. I was faced with a similar situation where I want to use the wonderful java 5 enums and I ended up ...

29. Hibernate cannot read SQL Server char User Defined Data Type forum.hibernate.org

Hi, I think the problems I've been having with Hibernate comes down to the fact that it cannot seem to read char data types greater than 1 char in length. We use user defined data types for some of the fields in our tables that are under 20 characters and set them up as: UDDT_Code CHAR (20) When Hibernate looks at ...

30. Oracle CHAR and heuristic autodiscovery forum.hibernate.org

31. Problem: creating statistics from table. (to_char() problem) forum.hibernate.org

hello, I'm a bit new to hibernate, but trying to manage myself. got already a lot of my application working, but i've runned against a wall... Hope that somebody can help me. Some info: Hibernate version: 3.2.2 Mapping documents: Code: ...