Postgresql data type : Numeric(38,4) allows null

Java data type: BigDecimal

EOModel using prototype: currencyAmount

When number is first retrieved from database it has precision 10 scale 4 eg 150000.0000

I click the edit button which puts the number in a textfield which has numberformat "$#,##0; ($#,##0)" and it displays as $150,000

I click save button. Number in EO is now 150000 with precision 6 and scale 0

I run ec().saveChanges() where ec() is my editingContext.

Number in EO is still 150000 with precision 6 and scale 0

I repeat the procedure "edit / save" several times and randomly the number in EO eventually becomes 15 with precision 2 and scale 0. If it happens before the saveChanges() then the new number gets saved to the database. However it can happen after the save in which case my app sees the small number but it doesn't get saved to database if I shutdown the app at that point and start it up again.

It looks like a problem with my app except that it only started happening with the new JDBC driver and reverting the JDBC driver removes the problem.


Tim


On 27/10/21 18:48, Hugi Thordarson wrote:

Hi Tim,
out of curiosity, what's the data type of the number that's getting truncated? (both the DB and java/model side)

- hugi

On 27 Oct 2021, at 04:53, D Tim Cummings <webobjects-dev@wocommunity.org> wrote:

I just upgraded my postgresql jdbc driver from 42.2.23 to 42.3.0 and suddenly any number returned from the database that ended in four zeros was having the zeros trimmed.

For example

150000 became 15

This did not affect numbers ending in three zeros

151000 stayed as 151000

I am still looking for the cause but rolling back to 42.2.23 fixed the problem. Problem was reproducible on Postgresql 10.18 on Ubuntu and Postgresql 13.3 on Mac.

I am using Wonder 7.2 with Postgresql plugin. My project is defined using the maven structure. I was using the postgresql jdbc driver in my pom.xml with

<dependency>
     <groupId>org.postgresql</groupId>
     <artifactId>postgresql</artifactId>
     <version>42.2.23</version>
</dependency>

Hope this helps

Tim


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