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Query filter comparing Dates

Hi, I am using an indexed java.util.Date field in my Entity and I came across some weird behaviour in query filters comparing this Date field. Could You please clarify why are there zero-size result ... am comparing 2 dates which should be equal because they are showing exactly same inner millisecond count. I

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 ... and verify that the current date is less than dateCapure+delayMinutes, cb.greaterThan(dateCapture ... the current date and send the result as an argument for direct comparison with the date field

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 ... why this might be the case? Note: We can currently not update the ODB version as this is a production system. Note

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

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

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

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

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

[ODB1] Chapter 7 - JDOQL Queries

for system types (String, Date, ArrayList, ...). String instances can be compared using all six comparison operators. Date instances can be compared using all six comparison operators. Numeric wrapper types ... . The only way to include objects with no literal representation in queries (as Date instances

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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.

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