Well this bit me today in SQL

select blah,,,
from foo f
inner join bar b on ....
left join quax q on ...
where
   ,, bunch of conditions ,,,
   AND (@AbcsCount == 0 or q.Abc in (select Abc from @Abcs))

https://softwarecrisis.dev/letters/prompts-are-not-fit-for-purpose/ Reading this reminds me that I have already attempted to engineer and maintain complex systems using loosely structured, "stringly typed" text definitions with ad-hoc templating and variable substitution bolted on– only last time around it was called "YAML." I do not recommend it.