Jira issue originally created by user gordonh:
The problem I am having is with how the DateTimeType converts the DateTime field from sql svr. It seems to need different formats in the ::getDateTimeFormatString() depending in if you are converting from the database to PHP or the other way.
The method format 'Y-m-d H:i:s.000' that is there now works if the database is only written to with PHP, and not anything else.
In my case I am sharing access with other technologies. So basically when converting from the Database to PHP the format needs to be 'Y-m-d H:i:s.u' and 'Y-m-d H:i:s.000' when converting the other way.
If there functions convertToDatabaseValue() and convertToPHPValue() where in the Platform, then I could override these with my own custom platform and I would be right.
Otherwise to do this right we need to split this up getDateTimeFormatString() into 2 different methods, 1 for the database, and 1 for php.
Comment created by @beberlei:
You can register your own type to handle this, or use the "VarDateTime" that is more flexible with this kind of date format.
Issue was closed with resolution "Invalid"
I have clarified the VarDateTime approach in the SQL Server Platform Known Issues and Limitations documentation.