[GitHub] [carbondata] xuchuanyin commented on a change in pull request #3138: [CARBONDATA-3305] Added DDL to drop cache for a table

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xuchuanyin commented on a change in pull request #3138: [CARBONDATA-3305] Added DDL to drop cache for a table
URL: https://github.com/apache/carbondata/pull/3138#discussion_r262441366
 
 

 ##########
 File path: docs/ddl-of-carbondata.md
 ##########
 @@ -1088,4 +1088,14 @@ Users can specify which columns to include and exclude for local dictionary gene
   TBLPROPERTIES ('BUCKETNUMBER'='4', 'BUCKETCOLUMNS'='productName')
   ```
 
+## CACHE
+
+  ```sql
+    DROP METADATA ON TABLE tableName
 
 Review comment:
   previously in PR3078, it shows the metacache using
   ```
   SHOW METACACHE FOR TABLE t1
   ```
   So here, I'd recommend using
   ```
   DROP METACACHE FOR TABLE t1
   ```

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