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https://issues.apache.org/jira/browse/TAJO-1673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14902949#comment-14902949
]
ASF GitHub Bot commented on TAJO-1673:
--------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/626#discussion_r40110721
--- Diff:
tajo-core/src/main/java/org/apache/tajo/master/exec/DDLExecutor.java ---
@@ -23,29 +23,36 @@
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.PathFilter;
import org.apache.tajo.algebra.AlterTableOpType;
import org.apache.tajo.algebra.AlterTablespaceSetType;
import org.apache.tajo.annotation.Nullable;
import org.apache.tajo.catalog.*;
+import org.apache.tajo.catalog.partition.PartitionMethodDesc;
import org.apache.tajo.catalog.proto.CatalogProtos;
import org.apache.tajo.catalog.proto.CatalogProtos.AlterTablespaceProto;
import org.apache.tajo.catalog.proto.CatalogProtos.PartitionKeyProto;
+import org.apache.tajo.catalog.proto.CatalogProtos.PartitionDescProto;
import org.apache.tajo.conf.TajoConf;
import org.apache.tajo.engine.query.QueryContext;
import org.apache.tajo.exception.*;
import org.apache.tajo.master.TajoMaster;
import org.apache.tajo.plan.LogicalPlan;
import org.apache.tajo.plan.logical.*;
+import org.apache.tajo.plan.rewrite.rules.PartitionedTableRewriter;
import org.apache.tajo.plan.util.PlannerUtil;
import org.apache.tajo.storage.FileTablespace;
import org.apache.tajo.storage.StorageUtil;
import org.apache.tajo.storage.Tablespace;
import org.apache.tajo.storage.TablespaceManager;
import org.apache.tajo.util.Pair;
+import org.apache.tajo.util.StringUtils;
+import org.apache.tajo.util.TUtil;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
+import java.util.Set;
--- End diff --
Unused import.
> Implement recover partitions
> ----------------------------
>
> Key: TAJO-1673
> URL: https://issues.apache.org/jira/browse/TAJO-1673
> Project: Tajo
> Issue Type: Sub-task
> Components: Catalog
> Reporter: Jaehwa Jung
> Assignee: Jaehwa Jung
> Fix For: 0.11.0, 0.12.0
>
> Attachments: TAJO-1673.patch, TAJO-1673_2.patch
>
>
> Tajo stores a list of partitions for each table in its CatalogStore. If,
> however, new partitions are directly added to HDFS, the CatalogStore will not
> be aware of these partitions unless the user runs ALTER TABLE table_name ADD
> PARTITION commands on each of the newly added partitions.
> However, users can run a CatalogStore check command with the repair table
> option:
> {code:xml}
> MSCK REPAIR TABLE <table_name>
> {code}
> For the reference, I've referenced hive msck command.
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