[GitHub] [carbondata] Indhumathi27 commented on a change in pull request #3312: [CARBONDATA-3457][MV] Fix Column not found issue with Query having Cast Expression

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Indhumathi27 commented on a change in pull request #3312: [CARBONDATA-3457][MV] Fix Column not found issue with Query having Cast Expression
URL: https://github.com/apache/carbondata/pull/3312#discussion_r299357977
 
 

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 File path: datamap/mv/core/src/main/scala/org/apache/carbondata/mv/rewrite/DefaultMatchMaker.scala
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 @@ -53,6 +53,13 @@ abstract class DefaultMatchPattern extends MatchPattern[ModularPlan] {
             (a.child.asInstanceOf[Attribute], a.toAttribute)
           })
 
+    // Create aliasMap with Cast Expression to alias reference attribute
+    val aliasMapCast =
 
 Review comment:
   if aliasMap is changed to Map[Expression, Attribute], then for mv queries having column name and table name as same, fails. hence i think for this case, aliasMap for expression has to be created.

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