persistent-sql-lifted-0.4.3.1: Monad classes for running queries with Persistent and Esqueleto
Safe HaskellSafe-Inferred
LanguageGHC2021

Database.Persist.Sql.Lifted.Expression.Bool

Synopsis

Documentation

not_ :: SqlExpr (Value Bool) -> SqlExpr (Value Bool) #

(&&.) :: SqlExpr (Value Bool) -> SqlExpr (Value Bool) -> SqlExpr (Value Bool) infixr 3 #

This operator translates to the SQL operator AND.

Example:

 where_ $
         user ^. UserName ==. val Matt
     &&. user ^. UserAge >=. val 21

(||.) :: SqlExpr (Value Bool) -> SqlExpr (Value Bool) -> SqlExpr (Value Bool) infixr 2 #

This operator translates to the SQL operator AND.

Example:

 where_ $
         user ^. UserName ==. val Matt
     ||. user ^. UserName ==. val John