Write a wrapper class to wrap all metadata keys

[alexdunnjpl]

Are you sure this is not a new requirement or bug?

Yes

Task Type

Sub-task

💡 Description

SO much time has been wasted tracking down query issues which are rooted in "the metadata mapping ensure statement was never included or was lost in a rewrite".

Write a metadata class to encapsulate the constants, which ensures those constants are initialised in the index mappings upon first use.