Issues with generated HList code compilation in 2.10.4-RC2

[Timur Yusupov]

Hi everyone,

I see that https://issues.scala-lang.org/browse/SI-8146 was fixed in Scala 2.10.4-RC2, so I tried it, but still have compiler fail randomly with errors like these:

[error] C:\Work\CompStak\CompStak-services\persistence\src\main\scala\com\compstak\persistence\Tables.scala:1628: type mismatch;

[error]  found   : scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[java.sql.Timestamp],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Int,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[Long],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Option[...],scala.slick.collection.heterogenous.HCons[...,...]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

[error]  required: Tables.this.CompProposalRawRow

[error]     (which expands to)  scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[java.sql.Timestamp],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Int,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[Long],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Option[...],scala.slick.collection.heterogenous.HCons[...,...]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

[error]     <<[Long] :: <<[Long] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[java.sql.Timestamp] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<[String] :: <<[Int] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[Long] :: <<[String] :: <<?[Long] :: <<?[Long] :: <<?[Int] :: <<?[Int] :: <<?[String] :: <<?[Boolean] :: <<[Boolean] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<[Boolean] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[Long] :: <<?[String] :: <<?[String] :: HNil

[error]              ^

Does any one know how to fix it and it is stated as fixed?

[Stefan Zeiger]

Can you provide a reproducible test case and attach that to https://issues.scala-lang.org/browse/SI-8146? The simplified test case we have seems to work after the fix, plus Slick 2.0.0 contains the workaround proposed by Paul to avoid the issue in the first place. I haven't seen any such failures when compiling Slick since we made these changes.

On 2014-02-05 16:38, Timur Yusupov wrote:

Hi everyone,

I see that https://issues.scala-lang.org/browse/SI-8146 was fixed in Scala 2.10.4-RC2, so I tried it, but still have compiler fail randomly with errors like these:

[error] C:\Work\CompStak\CompStak-services\persistence\src\main\scala\com\compstak\persistence\Tables.scala:1628: type mismatch;

[error]  found   : scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[java.sql.Timestamp],scala.slick.collection.heterogenous.HC ons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Int,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterog enous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[Long],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Option[...],scala.slick.collection.heterogenous.HCons[...,...]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

[error]  required: Tables.this.CompProposalRawRow

[error]     (which expands to)  scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Long,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[java.sql.Timestamp],scala.slick.collection.heterogenous. HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Int,scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heter ogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[String],scala.slick.collection.heterogenous.HCons[Option[Long],scala.slick.collection.heterogenous.HCons[String,scala.slick.collection.heterogenous.HCons[Option[...],scala.slick.collection.heterogenous.HCons[...,...]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

[error]     <<[Long] :: <<[Long] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[java.sql.Timestamp] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<[String] :: <<[Int] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[Long] :: <<[String] :: <<?[Long] :: <<?[Long] :: <<?[Int] :: <<?[Int] :: <<?[String] :: <<?[Boolean] :: <<[Boolean] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<[Boolean] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[String] :: <<?[Long] :: <<?[String] :: <<?[String] :: HNil

[error]              ^

Does any one know how to fix it and it is stated as fixed?

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Stefan Zeiger
Slick Tech Lead
Typesafe - Build Reactive Apps!
Twitter: @StefanZeiger

[Timur Yusupov]

Sure, put it to https://issues.scala-lang.org/browse/SI-8146

[Christopher Vogt]

Thx! Looks like it will be fixed in Scala 2.10.4-RC3.

Chris