Package org.apache.tajo.catalog

Examples of org.apache.tajo.catalog.TableDesc

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    res.close();

    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
    TableDesc orderKeys = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(5, orderKeys.getStats().getNumRows().intValue());
    }

    // this query will result in the two rows.
    res = tpch.execute(
        "insert overwrite into " + tableName + " select l_orderkey from lineitem where l_orderkey = 3");
    assertFalse(res.next());
    res.close();

    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
    orderKeys = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(2, orderKeys.getStats().getNumRows().intValue());
    }
  }
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    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));

    res = tpch.execute("insert overwrite into " + tableName + " select * from lineitem where l_orderkey = 3");
    res.close();
    TableDesc desc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(2, desc.getStats().getNumRows().intValue());
    }
  }
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    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));

    res = tpch.execute("insert overwrite into " + tableName + " select  l_orderkey, l_partkey, l_quantity from lineitem where l_orderkey = 3");
    res.close();
    TableDesc desc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(2, desc.getStats().getNumRows().intValue());
    }

    FileSystem fs = FileSystem.get(tpch.getTestingCluster().getConfiguration());
    assertTrue(fs.exists(desc.getPath()));
    CompressionCodecFactory factory = new CompressionCodecFactory(tpch.getTestingCluster().getConfiguration());

    for (FileStatus file : fs.listStatus(desc.getPath())) {
      CompressionCodec codec = factory.getCodec(file.getPath());
      assertTrue(codec instanceof DeflateCodec);
    }
  }
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    final String oldFQTableName = CatalogUtil.buildFQName(databaseName, originalTableName);

    ResultSet res = executeString(createTableStmt);
    res.close();
    assertTableExists(oldFQTableName);
    TableDesc oldTableDesc = client.getTableDesc(oldFQTableName);


    // checking the existence of the table directory and validating the path
    FileSystem fs = testingCluster.getMaster().getStorageManager().getFileSystem();
    Path warehouseDir = TajoConf.getWarehouseDir(testingCluster.getConfiguration());
    assertTrue(fs.exists(oldTableDesc.getPath()));
    assertEquals(StorageUtil.concatPath(warehouseDir, databaseName, originalTableName), oldTableDesc.getPath());

    // Rename
    client.executeQuery("ALTER TABLE " + CatalogUtil.denormalizeIdentifier(oldFQTableName)
        + " RENAME to " + CatalogUtil.denormalizeIdentifier(newTableName));

    // checking the existence of the new table directory and validating the path
    final String newFQTableName = CatalogUtil.buildFQName(databaseName, newTableName);
    TableDesc newTableDesc = client.getTableDesc(newFQTableName);
    assertTrue(fs.exists(newTableDesc.getPath()));
    assertEquals(StorageUtil.concatPath(warehouseDir, databaseName, newTableName), newTableDesc.getPath());
  }
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    // returned list is immutable.
    List<String> tableNames = TUtil.newList(client.getTableList(databaseName));
    Collections.sort(tableNames);
    for (String tableName : tableNames) {
      try {
        TableDesc table = client.getTableDesc(CatalogUtil.buildFQName(databaseName, tableName));
        if (table.isExternal()) {
          writer.write(DDLBuilder.buildDDLForExternalTable(table));
        } else {
          writer.write(DDLBuilder.buildDDLForBaseTable(table));
        }
        writer.write("\n\n");
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Related Classes of org.apache.tajo.catalog.TableDesc

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  • com.google.gson.GsonBuilder
  • org.apache.hadoop.fs.Path
  • org.apache.tajo.catalog.partition.PartitionMethodDesc
  • org.apache.tajo.catalog.statistics.TableStats
  • org.apache.tajo.cli.DescTableCommand
  • org.apache.tajo.cli.TajoCli
  • org.apache.tajo.cli.TajoCli$DescTableCommand
  • org.apache.tajo.client.TajoClient
  • org.apache.tajo.client.TajoDump
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