VenuReddy2103 commented on a change in pull request #3717: [HOTFIX]Old store
read compatibility issue for Index handler column
URL: https://github.com/apache/carbondata/pull/3717#discussion_r410727838
##########
File path:
core/src/main/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImpl.java
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@@ -605,6 +605,14 @@ public TableSchema fromExternalToWrapperTableSchema(
.setLocalDictColumnsToWrapperSchema(listOfColumns,
externalTableSchema.tableProperties,
externalTableSchema.tableProperties
.get(CarbonCommonConstants.LOCAL_DICTIONARY_ENABLE));
+ String handler =
externalTableSchema.tableProperties.get(CarbonCommonConstants.INDEX_HANDLER);
+ if (handler != null) {
+ for (ColumnSchema columnSchema : listOfColumns) {
+ if (handler.equalsIgnoreCase(columnSchema.getColumnName())) {
Review comment:
index column was created with index_handler property value as its name
during create table in `processIndexProperty` method. So matching handler value
against the column name.
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