I'm trying to do something like this with Database.HDBC.PostgreSQL:
run c "update questions set deleted = now() where question_id in (?)" [toSql ids]
where ids is [Int]. But I get the error
No instance for (Data.Convertible.Base.Convertible [Int] SqlValue)
How do you fill in an IN placeholder with HDBC?
I don't think you can avoid building the query dynamically, but you can still avoid SQL injection and the like.
Links to documentation for
intersperse
,<$>
,<$
.