Github user kumarvishal09 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/88#discussion_r76234490
--- Diff:
integration/spark/src/main/scala/org/apache/carbondata/spark/util/GlobalDictionaryUtil.scala
---
@@ -489,9 +489,10 @@ object GlobalDictionaryUtil extends Logging {
val preDictDimensionOption = dimensions.filter(
_.getColName.equalsIgnoreCase(dimParent))
if (preDictDimensionOption.length == 0) {
- logError(s"No column $dimParent exists in
${table.getDatabaseName}.${table.getTableName}")
- throw new DataLoadingException(s"No column $colName exists " +
- s"in ${table.getDatabaseName}.${table.getTableName}")
+ logError(s"No key column $dimParent exists in
${table.getDatabaseName}.${table.getTableName}")
+ throw new DataLoadingException(s"No key column $colName exists in " +
+ s"${table.getDatabaseName}.${table.getTableName}, please make sure
" +
+ s"that $colName can be dictionary.")
--- End diff --
Please add a message only key column can be part of dictionary
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