Github user gvramana commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/190#discussion_r80220071
--- Diff:
integration/spark/src/main/scala/org/apache/spark/sql/optimizer/CarbonOptimizer.scala
---
@@ -68,9 +70,50 @@ object CarbonOptimizer {
*/
class ResolveCarbonFunctions(relations: Seq[CarbonDecoderRelation])
extends Rule[LogicalPlan] with PredicateHelper {
-
+ val LOGGER = LogServiceFactory.getLogService(this.getClass.getName)
def apply(plan: LogicalPlan): LogicalPlan = {
- transformCarbonPlan(plan, relations)
+ if (relations.nonEmpty && !isOptimized(plan)) {
+ LOGGER.info("Starting to optimize plan")
+ val startTime = System.currentTimeMillis
+ val result = transformCarbonPlan(plan, relations)
+ LOGGER.info("Time taken to optimize plan: " + (
System.currentTimeMillis - startTime))
--- End diff --
add this to STATISTICS logger type
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