Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1469#discussion_r153061299
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/execution/CastExpressionOptimization.scala
---
@@ -21,12 +21,14 @@ import java.text.{ParseException, SimpleDateFormat}
import java.util
import java.util.{Locale, TimeZone}
+import scala.Option
import scala.collection.JavaConverters._
-import org.apache.spark.sql.catalyst.expressions.{Attribute, Cast,
EmptyRow, EqualTo, Expression, GreaterThan, GreaterThanOrEqual, In, LessThan,
LessThanOrEqual, Literal, Not}
+import org.apache.spark.sql.catalyst.expressions.{Attribute, EmptyRow,
EqualTo, Expression, GreaterThan, GreaterThanOrEqual, In, LessThan,
LessThanOrEqual, Literal, Not}
import org.apache.spark.sql.CastExpr
import org.apache.spark.sql.sources
-import org.apache.spark.sql.types.{DoubleType, IntegerType, StringType,
TimestampType}
+import org.apache.spark.sql.types.{DataType, DoubleType, IntegerType,
StringType, TimestampType}
+import org.apache.spark.sql.CarbonExpressions.{MatchCast => Cast}
--- End diff --
Don't change the other imports, there are unnecessary imports here
---
