xubo245 commented on a change in pull request #3181: [CARBONDATA-3356] Support decimal for json schema and Provide better exception for users to solve problem when carbonData DataSource read SDK files with varchar
URL:
https://github.com/apache/carbondata/pull/3181#discussion_r291874985
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File path: core/src/main/java/org/apache/carbondata/core/util/BlockletDataMapUtil.java
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@@ -257,13 +257,24 @@ public static boolean isCacheLevelBlock(CarbonTable carbonTable) {
* name but with different dataType.
*/
public static boolean isSameColumnAndDifferentDatatypeInSchema(
- List<ColumnSchema> indexFileColumnList, List<ColumnSchema> tableColumnList) {
+ List<ColumnSchema> indexFileColumnList, List<ColumnSchema> tableColumnList)
+ throws IOException {
for (int i = 0; i < tableColumnList.size(); i++) {
for (int j = 0; j < indexFileColumnList.size(); j++) {
if (indexFileColumnList.get(j).getColumnName()
.equalsIgnoreCase(tableColumnList.get(i).getColumnName()) && !indexFileColumnList.get(j)
.getDataType().getName()
.equalsIgnoreCase(tableColumnList.get(i).getDataType().getName())) {
+ if ("varchar".equalsIgnoreCase(indexFileColumnList.get(j).getDataType().getName()) &&
+ "string".equalsIgnoreCase(tableColumnList.get(i).getDataType().getName())) {
+ throw new IOException("Datatype of the Column "
Review comment:
optimized
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