* Add DoesPrimaryKeyExist method
* Add primary key name to dto
* Add extension method PrimaryKeyExists
* Dont use sql_master table
* Implement DoesPrimaryKeyExists
* Rename without plural s
* Refactor to get proper primary key name and not column name
* Use primary key name and not column name
* Dont filter tables in memory
* Remove .Where
* Don't select all, select only sql
* throw NotImplementedException by default
* USe virtual instead of abstract to avoid breaking change
* Reinstert primary key attribute
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Co-authored-by: Zeegaan <nge@umbraco.dk>
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