[GitHub] [carbondata] ajantha-bhat commented on a change in pull request #3437: [CARBONDATA-3530] Support Create timeseries MV Datamap with the supported granularity levels.

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ajantha-bhat commented on a change in pull request #3437: [CARBONDATA-3530] Support Create timeseries MV Datamap with the supported granularity levels.
URL: https://github.com/apache/carbondata/pull/3437#discussion_r346153718
 
 

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 File path: core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java
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 @@ -233,19 +235,21 @@ public void updateDataMapSchema(List<DataMapSchema> dataMapSchemaList,
    * @param dataMapProvider
    * @param dataMapSchema
    */
-  public synchronized void registerDataMapCatalog(DataMapProvider dataMapProvider,
+  public void registerDataMapCatalog(DataMapProvider dataMapProvider,
       DataMapSchema dataMapSchema) throws IOException {
-    initializeDataMapCatalogs(dataMapProvider);
-    String name = dataMapSchema.getProviderName();
-    DataMapCatalog dataMapCatalog = dataMapCatalogs.get(name);
-    if (dataMapCatalog == null) {
-      dataMapCatalog = dataMapProvider.createDataMapCatalog();
-      if (dataMapCatalog != null) {
-        dataMapCatalogs.put(name.toLowerCase(), dataMapCatalog);
+    synchronized (lockObject) {
+      initializeDataMapCatalogs(dataMapProvider);
 
 Review comment:
   In initializeDataMapCatalogs,  dataMapCatalogs.get(schema.getProviderName()), here provider name should be converted to lowercase, because put is happened with lowercase, else look up will return null..

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