Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/954#discussion_r118870649
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/optimizer/CarbonLateDecodeRule.scala
---
@@ -113,6 +114,25 @@ class CarbonLateDecodeRule extends Rule[LogicalPlan]
with PredicateHelper {
output
}
+ private def processPlan(plan: LogicalPlan): LogicalPlan = {
+ plan transform {
+ case ProjectForUpdate(table, cols, Seq(updatePlan)) =>
+ var isTransformed = false
+ val newPlan = updatePlan transform {
+ case Project(pList, child) if (!isTransformed) =>
+ val (dest: Seq[NamedExpression], source: Seq[NamedExpression])
= pList
+ .splitAt(pList.size - cols.size)
+ val diff = cols.diff(dest.map(_.name))
+ if (diff.size > 0) {
+ sys.error(s"Unknown column(s) ${diff.mkString(",")} in table
${table.tableName}")
+ }
+ isTransformed = true
+ Project(dest.filter(a => !cols.contains(a.name)) ++ source,
child)
+ }
+ ProjectForUpdateCommand(newPlan,
Seq(table.tableIdentifier.toString()))
--- End diff --
Cannot be sent as toString as it gived wrong value if you use db name.
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