fails to build with either-5

[Jens Petersen]

In Stackage Nightly build:

Building library for postgresql-query-3.3.0..
[ 1 of 18] Compiling Database.PostgreSQL.Query.SqlBuilder.Types ( src/Database/PostgreSQL/Query/SqlBuilder/Types.hs, dist/build/Database/PostgreSQL/Query/SqlBuilder/Types.o )
[ 2 of 18] Compiling Database.PostgreSQL.Query.SqlBuilder.Builder ( src/Database/PostgreSQL/Query/SqlBuilder/Builder.hs, dist/build/Database/PostgreSQL/Query/SqlBuilder/Builder.o )
[ 3 of 18] Compiling Database.PostgreSQL.Query.SqlBuilder.Class ( src/Database/PostgreSQL/Query/SqlBuilder/Class.hs, dist/build/Database/PostgreSQL/Query/SqlBuilder/Class.o )
[ 4 of 18] Compiling Database.PostgreSQL.Query.SqlBuilder ( src/Database/PostgreSQL/Query/SqlBuilder.hs, dist/build/Database/PostgreSQL/Query/SqlBuilder.o )
[ 5 of 18] Compiling Database.PostgreSQL.Query.TH.Common ( src/Database/PostgreSQL/Query/TH/Common.hs, dist/build/Database/PostgreSQL/Query/TH/Common.o )
[ 6 of 18] Compiling Database.PostgreSQL.Query.TH.Enum ( src/Database/PostgreSQL/Query/TH/Enum.hs, dist/build/Database/PostgreSQL/Query/TH/Enum.o )
[ 7 of 18] Compiling Database.PostgreSQL.Query.TH.Row ( src/Database/PostgreSQL/Query/TH/Row.hs, dist/build/Database/PostgreSQL/Query/TH/Row.o )
[ 8 of 18] Compiling Database.PostgreSQL.Query.TH.SqlExp ( src/Database/PostgreSQL/Query/TH/SqlExp.hs, dist/build/Database/PostgreSQL/Query/TH/SqlExp.o )
[ 9 of 18] Compiling Database.PostgreSQL.Query.Types ( src/Database/PostgreSQL/Query/Types.hs, dist/build/Database/PostgreSQL/Query/Types.o )

src/Database/PostgreSQL/Query/Types.hs:35:1: error:
    Could not find module ‘Control.Monad.Trans.Either’
    Perhaps you meant
      Control.Monad.Trans.Writer (from transformers-0.5.2.0)
      Control.Monad.Trans.Error (from transformers-0.5.2.0)

[Alexey Uimanov]

either support is dropped