ObjectDB ObjectDB

Internal Website Search

11-20 of 200 resultsRefresh

Date field Index is corrupted due to time change

this happened. support Support Apparently we found the bug, which affects indexes on pure Date fields (i.e. date with no time). ObjectDB converts pure date values between local time and UTC ... of the time change. However, what values in the date fields will cause the corruption? An example

How to add minutes to a Date with JPA2

Hi, I have to sum to a date of minutes, and check the date obtained is greater than the current date. My idea is as follows: Calendar currentTime = Calendar.getInstance(); Date currenteDate = currentTime.getTime(); Expression<Date> dateCapture = root.get(Counter_.dateCapture); Expression

java.sql.Date equals comparison not working with CriteriaAPI

Hello, Using ODB 2.4.5 and the Criteria API, doing a simple equals comparison with java.sql.Date ... = ...; Root<MyEntity> root = ...; java.sql.Date myDate = ...; Predicate predicate = builder.equal ... except if the given date is exactly the same like the value of eintritt field in the DB. java.sql.Date is used

Grouping by date()

Hi, For some time now we can use date and time function in queries to extract part of date time ... have to group by date(). For few queries I was concatenating 'date' from year()-month()-day() calls ... to add one more method to above list - date() - that will return only date from java.util.Date field

Problem with 'where' and date()

Hi, Today I was playing with some date-range queries in explorer and found a small problem. When you try to use queries like this: SELECT o from TestObject o where o.date > :someDate where o.date is java.util.Date, 'where' doesn't work as it should. Results are not filtered by date

GWT RPC is throwing serialization exception when I have object db date value

Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date ... The objectdb.java.util.Date class is a subclass of java.util.Date that ObjectDB uses in order ... because Date is a special data type. You may have a similar problem with collection and map fields in

Wrong data stored in date only fileds

Hi, we have an object with the following fields: private Date startDateTime; // Time stamp: start of recording in local time zone private Date startDate; // Date: date part of startDateTime private Date startTime; // Time: time part of startDateTime @Basic


Question on dates. SQL doesn't seem to store timezone with dates (oddly). So, any best practises with ODB? 1. use java.util.Date 2. Milliseconds since January 1, 1970, 00:00:00 GMT 3. other? dmoshal David Moshal When a Date instance is stored in an ObjectDB database it is converted automatically

Entity with java.util.Date column gives ClassCastException in BIRT

JPQL query to select the fields. Entity looks like this: package entity; import java.util.Date ... ="birthdate")     @Temporal(value = TemporalType.DATE)     private Date birthdate ... the birthdate      */     public Date getBirthdate() {         return birthdate

Literals in JPQL and Criteria Queries

equivalent. Date and Time Literals JPQL follows the syntax of SQL and JDBC for date literals: Date - {d ... .literal("JPA"); // Date and Time literals: Expression<java.sql.Date> today = cb.literal(new java.sql.Date()); Expression<java.sql.Time> time = cb.literal(new java.sql.Time()); Expression

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support