ShreelekhyaG commented on code in PR #4257:
URL: https://github.com/apache/carbondata/pull/4257#discussion_r843998373
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integration/spark/src/main/scala/org/apache/spark/sql/execution/command/view/CarbonCreateMVCommand.scala:
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@@ -143,9 +143,22 @@ case class CarbonCreateMVCommand(
tableIdentifier: TableIdentifier,
viewManager: MVManagerInSpark,
viewCatalog: MVCatalogInSpark): MVSchema = {
- val logicalPlan = MVHelper.dropDummyFunction(
+ var logicalPlan = MVHelper.dropDummyFunction(
MVQueryParser.getQueryPlan(queryString, session))
- // check if mv with same query already exists
+ val relatedTables = getRelatedTables(logicalPlan)
+ val viewRefreshMode = if (checkIsQueryNeedFullRefresh(logicalPlan) ||
+ checkIsHasNonCarbonTable(relatedTables)) {
+ MVProperty.REFRESH_MODE_FULL
+ } else {
+ MVProperty.REFRESH_MODE_INCREMENTAL
+ }
+ val modifiedQueryString =
MVQueryParser.checkForAvgAndModifySql(queryString)
+ if (viewRefreshMode.equalsIgnoreCase(MVProperty.REFRESH_MODE_INCREMENTAL))
{
+ // Check if average aggregate is used and derive logical plan from
modified query string.
+ logicalPlan = MVHelper.dropDummyFunction(
Review Comment:
added if check to see if query contains AVG function.
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