I have this application using Hibernate with mySQL. I had a case where many records, (but not all) from one table had all the columns set to null.

mySQL logging shows many of the following...

update table version=12 column1=null,column2=null

every column nullable was nulled out

I have inherited this code and have not seen anything that could directly do this.

Is there anything using hibernate that could do this?

This is a long shot, but this happen once at a customer site and I need to prevent this in the future.

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