Package org.apache.tajo.catalog

Examples of org.apache.tajo.catalog.TableDesc

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        String regcolumnNamePattern = convertPattern(columnNamePattern == null ? null : columnNamePattern);

        List<String> tables = conn.getTajoClient().getTableList(databaseName);
        for (String table: tables) {
          if (table.matches(regtableNamePattern)) {
            TableDesc tableDesc = conn.getTajoClient().getTableDesc(CatalogUtil.buildFQName(databaseName, table));
            int pos = 0;

            for (Column column: tableDesc.getLogicalSchema().getColumns()) {
              if (column.getSimpleName().matches(regcolumnNamePattern)) {
                MetaDataTuple tuple = new MetaDataTuple(22);

                int index = 0;
                tuple.put(index++, new TextDatum(databaseName));            // TABLE_CAT
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    res.close();

    String tableName = CatalogUtil.normalizeIdentifier("testCtasWithoutTableDefinition");
    CatalogService catalog = testBase.getTestingCluster().getMaster().getCatalog();
    String qualifiedTableName = buildFQName(DEFAULT_DATABASE_NAME, tableName);
    TableDesc desc = catalog.getTableDesc(qualifiedTableName);
    assertTrue(catalog.existsTable(qualifiedTableName));

    assertTrue(desc.getSchema().contains("default.testctaswithouttabledefinition.col1"));
    PartitionMethodDesc partitionDesc = desc.getPartitionMethod();
    assertEquals(partitionDesc.getPartitionType(), CatalogProtos.PartitionType.COLUMN);
    assertEquals("key", partitionDesc.getExpressionSchema().getColumns().get(0).getSimpleName());

    FileSystem fs = FileSystem.get(testBase.getTestingCluster().getConfiguration());
    Path path = desc.getPath();
    assertTrue(fs.isDirectory(path));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=17.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=36.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=38.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=45.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=49.0")));
    if (!testingCluster.isHCatalogStoreRunning()) {
      assertEquals(5, desc.getStats().getNumRows().intValue());
    }

    ResultSet res2 = executeFile("check1.sql");

    Map<Double, int []> resultRows1 = Maps.newHashMap();
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    String tableName = CatalogUtil.normalizeIdentifier("testCtasWithColumnedPartition");

    TajoTestingCluster cluster = testBase.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    TableDesc desc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
    PartitionMethodDesc partitionDesc = desc.getPartitionMethod();
    assertEquals(partitionDesc.getPartitionType(), CatalogProtos.PartitionType.COLUMN);
    assertEquals("key", partitionDesc.getExpressionSchema().getColumns().get(0).getSimpleName());

    FileSystem fs = FileSystem.get(cluster.getConfiguration());
    Path path = desc.getPath();
    assertTrue(fs.isDirectory(path));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=17.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=36.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=38.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=45.0")));
    assertTrue(fs.isDirectory(new Path(path.toUri() + "/key=49.0")));
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(5, desc.getStats().getNumRows().intValue());
    }

    ResultSet res2 = executeFile("check2.sql");

    Map<Double, int []> resultRows1 = Maps.newHashMap();
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    ResultSet res2 = executeQuery();
    resultSetToString(res2);
    res2.close();

    TableDesc desc =  client.getTableDesc(CatalogUtil.normalizeIdentifier(res2.getMetaData().getTableName(1)));
    assertNotNull(desc);
    assertEquals(CatalogProtos.StoreType.RCFILE, desc.getMeta().getStoreType());
  }
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    ResultSet res2 = executeQuery();
    resultSetToString(res2);
    res2.close();

    TableDesc desc =  client.getTableDesc(CatalogUtil.normalizeIdentifier(res2.getMetaData().getTableName(1)));
    assertNotNull(desc);
    assertEquals(CatalogProtos.StoreType.CSV, desc.getMeta().getStoreType());


    Options options = desc.getMeta().getOptions();
    assertNotNull(options);
    assertEquals(StringEscapeUtils.escapeJava("\u0001"), options.get(StorageConstants.CSVFILE_DELIMITER));
  }
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    res.close();

    if (testingCluster.isHCatalogStoreRunning()) {
      assertTrue(client.existTable("managed_table1"));

      TableDesc desc =  client.getTableDesc("managed_table1");

      assertNotNull(desc);
      assertEquals("managed_table1", desc.getPath().getName());
    } else {
      assertFalse(client.existTable("managed_Table1"));
      assertTrue(client.existTable("MANAGED_TABLE1"));

      TableDesc desc =  client.getTableDesc("MANAGED_TABLE1");

      assertNotNull(desc);
      assertEquals("MANAGED_TABLE1", desc.getPath().getName());
    }
  }
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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(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(5, desc.getStats().getNumRows().intValue());
    }
  }
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    ResultSet res = tpch.execute("create table " + tableName + " (col1 int4, col2 int4, col3 float8)");
    res.close();
    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
    TableDesc originalDesc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);

    res = tpch.execute("insert overwrite into " + tableName + " select l_orderkey from lineitem");
    res.close();
    TableDesc desc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(5, desc.getStats().getNumRows().intValue());
    }
    assertEquals(originalDesc.getSchema(), desc.getSchema());
  }
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    ResultSet res = tpch.execute("create table " + tableName + " (col1 int4, col2 int4, col3 float8)");
    res.close();
    TajoTestingCluster cluster = tpch.getTestingCluster();
    CatalogService catalog = cluster.getMaster().getCatalog();
    assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
    TableDesc originalDesc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);

    res = tpch.execute(
        "insert overwrite into " + tableName + " (col1, col3) select l_orderkey, l_quantity from lineitem");
    res.close();
    TableDesc desc = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
    if (!cluster.isHCatalogStoreRunning()) {
      assertEquals(5, desc.getStats().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.getSchema(), desc.getSchema());
  }
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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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Related Classes of org.apache.tajo.catalog.TableDesc

  • com.google.gson.Gson
  • 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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