Bare in mind that SQL was designed to allow non-technical business users to use it. In most offices, a vetern business user or BI person will know how to use SQ

Bare in mind that SQL was designed to allow non-technical business users to use it. In most offices, a vetern business user or BI person will know how to use SQL. So SQL is a DSL for relational deconstructing of data models that is conceptually simple enough for people to grasp. Templating can absolutely save time and boilerplate, but adding a DSL over a DSL in the form or ORM may well be the problem.