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https://issues.apache.org/jira/browse/SPARK-11855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Santiago M. Mola updated SPARK-11855:
-------------------------------------
Summary: Catalyst breaks backwards compatibility in branch-1.6 (was:
UnresolvedRelation/UnresolvedStar constructors are not backwards compatible in
branch-1.6)
> Catalyst breaks backwards compatibility in branch-1.6
> -----------------------------------------------------
>
> Key: SPARK-11855
> URL: https://issues.apache.org/jira/browse/SPARK-11855
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Santiago M. Mola
>
> UnresolvedRelation's constructor has been changed from taking a Seq to a
> TableIdentifier. A deprecated constructor taking Seq would be needed to be
> backwards compatible.
> {code}
> case class UnresolvedRelation(
> - tableIdentifier: Seq[String],
> + tableIdentifier: TableIdentifier,
> alias: Option[String] = None) extends LeafNode {
> {code}
> It is similar with UnresolvedStar:
> {code}
> -case class UnresolvedStar(table: Option[String]) extends Star with
> Unevaluable {
> +case class UnresolvedStar(target: Option[Seq[String]]) extends Star with
> Unevaluable {
> {code}
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