Github user gvramana commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/927#discussion_r117488392
--- Diff:
integration/spark-common/src/main/scala/org/apache/spark/sql/catalyst/CarbonDDLSqlParser.scala
---
@@ -495,15 +495,36 @@ abstract class CarbonDDLSqlParser extends
AbstractCarbonSparkSQLParser {
// check duplicate columns and only 1 col left
val distinctCols = noInvertedIdxColsProps.toSet
// extract the no inverted index columns
+ val dictionaryInclude =
tableProperties.getOrElse(CarbonCommonConstants.DICTIONARY_INCLUDE, "")
+ .split(",")
+ val sortColumns =
tableProperties.getOrElse(CarbonCommonConstants.SORT_COLUMNS, "").split(",")
fields.foreach(field => {
- if (distinctCols.exists(x => x.equalsIgnoreCase(field.column))) {
+ if (distinctCols.exists(x => x.equalsIgnoreCase(field.column)) &&
+ validateColumnsForInvertedIndex(field, dictionaryInclude ++
sortColumns)) {
noInvertedIdxCols :+= field.column
}
}
)
noInvertedIdxCols
}
+
+ private def validateColumnsForInvertedIndex(field: Field,
+ dictionaryIncludeOrSortColumn: Array[String]): Boolean = {
+ val invertedIndexColumns = Array("date", "timestamp", "struct",
"array")
--- End diff --
Struct, array will not have invertedindex, while data and timestamp will
have invertedindex
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