Tyvm - this did the trick :-)
> Von: Pinaki Poddar <[EMAIL PROTECTED]>
>
> A viable approach. OpenJPA can 'externalize' a field value. For example,
> the TIMESTAMP field can be stringified at database. See details [1].
>
> [1]
> http://openjpa.apache.org/docs/latest/manual/manual.html#ref_gu
Hi,
> 2) makes me think, there would be a workarround for my problem, if it
> was possible to persuade openjpa to convert datetime columns to
> java.lang.String instead of java.sql.Timestamp ... e.g.:
A viable approach. OpenJPA can 'externalize' a field value. For example,
the TIMESTAMP field c
Hello Michael,
ty 4 your answer.
> After some experimentation found that using TIMESTAMP NULL had the desired
> behavior - ie :
> @Column(name = "validTo", columnDefinition = "TIMESTAMP NULL",
> nullable = true, insertable = true, updatable = true)
> @Temporal(TemporalType.TIMESTAMP)
Hi Dirk,
What happens if you insert a row through the mysql console?
I created a table with the column definition you provided and I found that
the column was always set to the current time. After some experimentation I
found that using TIMESTAMP NULL had the desired behavior - ie :
@Column(n
Database: mysql 4.1
Geronimo 2.0.1
Hi there,
I'm using a database with timestamp columns that can be null. Using SQL syntax,
null enties can be set by either not setting the field when creating a row, or
by explictly setting it to '-00-00 00:00:00'.
This lead me to some amazing discoverie
Original-Nachricht
Datum: Wed, 02 Jul 2008 15:42:07 +0200
Von: "Dirk Brenckmann" <[EMAIL PROTECTED]>
An: users@openjpa.apache.org
Betreff: Q: Howto set TIMESTAMP column to null?
Database: mysql 4.1
Geronimo 2.0.1
Hi there,
I'm using a database with times