Exemplo n.º 1
0
  // TODO: This should be added at TAJO-1891
  public final void testAddAndDeleteTablePartitionByColumn() throws Exception {
    Schema schema =
        SchemaBuilder.builder()
            .add("id", Type.INT4)
            .add("name", Type.TEXT)
            .add("age", Type.INT4)
            .add("score", Type.FLOAT8)
            .build();

    String simpleTableName = "addedtable";
    String tableName = IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, simpleTableName);
    KeyValueSet opts = new KeyValueSet();
    opts.set("file.delimiter", ",");
    TableMeta meta = CatalogUtil.newTableMeta("TEXT", opts);

    Schema partSchema = SchemaBuilder.builder().add("id", Type.INT4).add("name", Type.TEXT).build();

    PartitionMethodDesc partitionMethodDesc =
        new PartitionMethodDesc(
            DEFAULT_DATABASE_NAME,
            tableName,
            CatalogProtos.PartitionType.COLUMN,
            "id,name",
            partSchema);

    TableDesc desc =
        new TableDesc(
            tableName,
            schema,
            meta,
            new Path(CommonTestingUtil.getTestDir(), simpleTableName).toUri());
    desc.setPartitionMethod(partitionMethodDesc);
    assertFalse(catalog.existsTable(tableName));
    catalog.createTable(desc);
    assertTrue(catalog.existsTable(tableName));

    TableDesc retrieved = catalog.getTableDesc(tableName);

    assertEquals(retrieved.getName(), tableName);
    assertEquals(
        retrieved.getPartitionMethod().getPartitionType(), CatalogProtos.PartitionType.COLUMN);
    assertEquals(
        retrieved.getPartitionMethod().getExpressionSchema().getColumn(0).getSimpleName(), "id");

    testAddPartition(tableName, "id=10/name=aaa");
    testAddPartition(tableName, "id=20/name=bbb");

    List<CatalogProtos.PartitionDescProto> partitions =
        catalog.getPartitionsOfTable(DEFAULT_DATABASE_NAME, simpleTableName);
    assertNotNull(partitions);
    assertEquals(partitions.size(), 2);
    assertEquals(partitions.get(0).getNumBytes(), 0L);

    testGetPartitionsByAlgebra(DEFAULT_DATABASE_NAME, simpleTableName);

    testDropPartition(tableName, "id=10/name=aaa");
    testDropPartition(tableName, "id=20/name=bbb");

    partitions = catalog.getPartitionsOfTable(DEFAULT_DATABASE_NAME, simpleTableName);
    assertNotNull(partitions);
    assertEquals(partitions.size(), 0);

    catalog.dropTable(tableName);
    assertFalse(catalog.existsTable(tableName));
  }