Package org.apache.tajo.catalog

Examples of org.apache.tajo.catalog.TableDesc

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    tpch.loadSchemas();
    tpch.loadOutSchema();
    for (String table : tpch.getTableNames()) {
      TableMeta m = CatalogUtil.newTableMeta(tpch.getSchema(table), CatalogProtos.StoreType.CSV);
      m.setStat(new TableStat());
      TableDesc d = CatalogUtil.newTableDesc(table, m, CommonTestingUtil.getTestDir());
      catalog.addTable(d);
    }

    analyzer = new SQLAnalyzer();
    logicalPlanner = new LogicalPlanner(catalog);
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    res = tpch.execute("insert overwrite into " + tableName
        + " select l_orderkey, l_partkey, l_quantity from lineitem");
    res.close();

    TableDesc desc = catalog.getTableDesc(tableName);
    assertEquals(5, desc.getMeta().getStat().getNumRows().intValue());
  }
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    ResultSet res = tpch.execute("create table " + tableName + " (col1 int8, col2 int4, col3 float4)");
    res.close();
    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(tableName));
    TableDesc originalDesc = catalog.getTableDesc(tableName);

    res = tpch.execute("insert overwrite into " + tableName + " select l_orderkey from lineitem");
    res.close();
    TableDesc desc = catalog.getTableDesc(tableName);
    assertEquals(5, desc.getMeta().getStat().getNumRows().intValue());
    assertEquals(originalDesc.getMeta().getSchema(), desc.getMeta().getSchema());
  }
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    ResultSet res = tpch.execute("create table " + tableName + " (col1 int8, col2 int4, col3 float4)");
    res.close();
    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(tableName));
    TableDesc originalDesc = catalog.getTableDesc(tableName);

    res = tpch.execute("insert overwrite into " + tableName
        + " (col1, col3) select l_orderkey, l_quantity from lineitem");
    res.close();
    TableDesc desc = catalog.getTableDesc(tableName);
    assertEquals(5, desc.getMeta().getStat().getNumRows().intValue());

    res = tpch.execute("select * from " + tableName);
    assertTrue(res.next());
    assertEquals(1, res.getLong(1));
    assertTrue(0f == res.getFloat(2));
    assertTrue(res.wasNull());
    assertTrue(17.0 == res.getFloat(3));

    assertTrue(res.next());
    assertEquals(1, res.getLong(1));
    assertTrue(0f == res.getFloat(2));
    assertTrue(res.wasNull());
    assertTrue(36.0 == res.getFloat(3));

    assertTrue(res.next());
    assertEquals(2, res.getLong(1));
    assertTrue(0f == res.getFloat(2));
    assertTrue(res.wasNull());
    assertTrue(38.0 == res.getFloat(3));

    assertTrue(res.next());
    assertTrue(0f == res.getFloat(2));
    assertTrue(res.wasNull());
    assertTrue(45.0 == res.getFloat(3));

    assertTrue(res.next());
    assertEquals(3, res.getLong(1));
    assertTrue(0f == res.getFloat(2));
    assertTrue(res.wasNull());
    assertTrue(49.0 == res.getFloat(3));

    assertFalse(res.next());
    res.close();

    assertEquals(originalDesc.getMeta().getSchema(), desc.getMeta().getSchema());
  }
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    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(tableName));

    res = tpch.execute("insert overwrite into " + tableName + " select * from lineitem where l_orderkey = 3");
    res.close();
    TableDesc desc = catalog.getTableDesc(tableName);
    assertEquals(2, desc.getMeta().getStat().getNumRows().intValue());
  }
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    res.close();

    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(tableName));
    TableDesc orderKeys = catalog.getTableDesc(tableName);
    assertEquals(5, orderKeys.getMeta().getStat().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(tableName));
    orderKeys = catalog.getTableDesc(tableName);
    assertEquals(2, orderKeys.getMeta().getStat().getNumRows().intValue());
  }
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    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(tableName));

    res = tpch.execute("insert overwrite into " + tableName + " select * from lineitem where l_orderkey = 3");
    res.close();
    TableDesc desc = catalog.getTableDesc(tableName);
    assertEquals(2, desc.getMeta().getStat().getNumRows().intValue());
  }
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    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(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(tableName);
    assertEquals(2, desc.getMeta().getStat().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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        "create table orderkeys as select l_orderkey from lineitem");
    res.close();
    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable("orderkeys"));
    TableDesc orderKeys = catalog.getTableDesc("orderkeys");
    assertEquals(5, orderKeys.getMeta().getStat().getNumRows().intValue());
  }
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  private final class Rewriter extends BasicLogicalPlanVisitor<Object, Object> {
    @Override
    public Object visitScan(Object object, LogicalPlan plan, LogicalPlan.QueryBlock block, ScanNode scanNode,
                            Stack<LogicalNode> stack) throws PlanningException {

      TableDesc table = scanNode.getTableDesc();
      if (!table.hasPartition()) {
        return null;
      }

      try {
        Path [] filteredPaths = findFilteredPartitionPaths(scanNode);
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Related Classes of org.apache.tajo.catalog.TableDesc

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  • com.google.gson.GsonBuilder
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  • 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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