jzhuge commented on a change in pull request #24741: [SPARK-27322][SQL]
DataSourceV2 table relation
URL: https://github.com/apache/spark/pull/24741#discussion_r292633407
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/dsl/package.scala
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@@ -295,10 +295,16 @@ package object dsl {
object expressions extends ExpressionConversions // scalastyle:ignore
object plans { // scalastyle:ignore
- def table(ref: String): LogicalPlan =
UnresolvedRelation(TableIdentifier(ref))
+ def table(parts: String*): LogicalPlan = UnresolvedRelation(parts)
- def table(db: String, ref: String): LogicalPlan =
- UnresolvedRelation(TableIdentifier(ref, Option(db)))
+ // Cannot use the name `with` since it is reserved
+ def cte(plan: LogicalPlan, namedPlans: (String, LogicalPlan)*): With = {
+ val ctes = namedPlans.map {
+ case (name, cte) =>
+ name -> SubqueryAlias(name, cte)
+ }
+ With(plan, ctes)
+ }
Review comment:
Same as above.
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