Java Code Examples for org.apache.kylin.metadata.model.TableDesc#setName()

The following examples show how to use org.apache.kylin.metadata.model.TableDesc#setName() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CoprocessorRowType.java From Kylin with Apache License 2.0

6 votes

@Override
public CoprocessorRowType deserialize(ByteBuffer in) {
    int n = BytesUtil.readVInt(in);
    TblColRef[] cols = new TblColRef[n];
    int[] colSizes = new int[n];
    for (int i = 0; i < n; i++) {
        String tableName = BytesUtil.readAsciiString(in);
        String colName = BytesUtil.readAsciiString(in);
        TableDesc table = new TableDesc();
        table.setName(tableName);
        ColumnDesc col = new ColumnDesc();
        col.setTable(table);
        col.setName(colName);
        cols[i] = new TblColRef(col);

        int colSize = BytesUtil.readVInt(in);
        colSizes[i] = colSize;
    }
    return new CoprocessorRowType(cols, colSizes);
}

Example 2

Source File: FilterBaseTest.java From Kylin with Apache License 2.0

6 votes

protected List<TblColRef> buildGroups() {
    List<TblColRef> groups = new ArrayList<TblColRef>();

    TableDesc t1 = new TableDesc();
    t1.setName("TEST_KYLIN_FACT");
    t1.setDatabase("DEFAULT");
    ColumnDesc c1 = new ColumnDesc();
    c1.setName("CAL_DT");
    c1.setDatatype("String");
    c1.setTable(t1);
    TblColRef cf1 = new TblColRef(c1);
    groups.add(cf1);

    TableDesc t2 = new TableDesc();
    t2.setName("TEST_CATEGORY_GROUPINGS");
    t2.setDatabase("DEFAULT");
    ColumnDesc c2 = new ColumnDesc();
    c2.setName("META_CATEG_NAME");
    c1.setDatatype("String");
    c2.setTable(t2);
    TblColRef cf2 = new TblColRef(c2);
    groups.add(cf2);

    return groups;
}

Example 3

Source File: ColumnTupleFilter.java From Kylin with Apache License 2.0

6 votes

@Override
public void deserialize(byte[] bytes) {
    ColumnDesc column = new ColumnDesc();
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    String tableName = BytesUtil.readUTFString(buffer);
    if (tableName != null) {
        TableDesc table = new TableDesc();
        table.setName(tableName);
        column.setTable(table);
    }

    column.setName(BytesUtil.readUTFString(buffer));
    column.setDatatype(BytesUtil.readUTFString(buffer));

    this.columnRef = new TblColRef(column);
}

Example 4

Source File: StreamingControllerTest.java From kylin with Apache License 2.0

6 votes

@Test
public void testReadTableDesc() throws IOException {
    String requestTableData = "{\"name\":\"my_table_name\",\"source_type\":1,\"columns\":[{\"id\":1,\"name\":"
            + "\"amount\",\"datatype\":\"decimal\"},{\"id\":2,\"name\":\"category\",\"datatype\":\"varchar(256)\"},"
            + "{\"id\":3,\"name\":\"order_time\",\"datatype\":\"timestamp\"},{\"id\":4,\"name\":\"device\","
            + "\"datatype\":\"varchar(256)\"},{\"id\":5,\"name\":\"qty\",\"datatype\":\"int\"},{\"id\":6,\"name\":"
            + "\"user_id\",\"datatype\":\"varchar(256)\"},{\"id\":7,\"name\":\"user_age\",\"datatype\":\"int\"},"
            + "{\"id\":8,\"name\":\"user_gender\",\"datatype\":\"varchar(256)\"},{\"id\":9,\"name\":\"currency\","
            + "\"datatype\":\"varchar(256)\"},{\"id\":10,\"name\":\"country\",\"datatype\":\"varchar(256)\"},"
            + "{\"id\":11,\"name\":\"year_start\",\"datatype\":\"date\"},{\"id\":12,\"name\":\"quarter_start\","
            + "\"datatype\":\"date\"},{\"id\":13,\"name\":\"month_start\",\"datatype\":\"date\"},{\"id\":14,"
            + "\"name\":\"week_start\",\"datatype\":\"date\"},{\"id\":15,\"name\":\"day_start\",\"datatype\":"
            + "\"date\"},{\"id\":16,\"name\":\"hour_start\",\"datatype\":\"timestamp\"},{\"id\":17,\"name\":"
            + "\"minute_start\",\"datatype\":\"timestamp\"}],\"database\":\"my_database_name\"}";
    TableDesc desc = JsonUtil.readValue(requestTableData, TableDesc.class);
    String[] dbTable = HadoopUtil.parseHiveTableName(desc.getIdentity());
    desc.setName(dbTable[1]);
    desc.setDatabase(dbTable[0]);
    Assert.assertEquals("my_table_name".toUpperCase(Locale.ROOT), desc.getName());
    Assert.assertEquals("my_database_name".toUpperCase(Locale.ROOT), desc.getDatabase());
}

Example 5

Source File: StreamingControllerTest.java From kylin-on-parquet-v2 with Apache License 2.0

6 votes

@Test
public void testReadTableDesc() throws IOException {
    String requestTableData = "{\"name\":\"my_table_name\",\"source_type\":1,\"columns\":[{\"id\":1,\"name\":"
            + "\"amount\",\"datatype\":\"decimal\"},{\"id\":2,\"name\":\"category\",\"datatype\":\"varchar(256)\"},"
            + "{\"id\":3,\"name\":\"order_time\",\"datatype\":\"timestamp\"},{\"id\":4,\"name\":\"device\","
            + "\"datatype\":\"varchar(256)\"},{\"id\":5,\"name\":\"qty\",\"datatype\":\"int\"},{\"id\":6,\"name\":"
            + "\"user_id\",\"datatype\":\"varchar(256)\"},{\"id\":7,\"name\":\"user_age\",\"datatype\":\"int\"},"
            + "{\"id\":8,\"name\":\"user_gender\",\"datatype\":\"varchar(256)\"},{\"id\":9,\"name\":\"currency\","
            + "\"datatype\":\"varchar(256)\"},{\"id\":10,\"name\":\"country\",\"datatype\":\"varchar(256)\"},"
            + "{\"id\":11,\"name\":\"year_start\",\"datatype\":\"date\"},{\"id\":12,\"name\":\"quarter_start\","
            + "\"datatype\":\"date\"},{\"id\":13,\"name\":\"month_start\",\"datatype\":\"date\"},{\"id\":14,"
            + "\"name\":\"week_start\",\"datatype\":\"date\"},{\"id\":15,\"name\":\"day_start\",\"datatype\":"
            + "\"date\"},{\"id\":16,\"name\":\"hour_start\",\"datatype\":\"timestamp\"},{\"id\":17,\"name\":"
            + "\"minute_start\",\"datatype\":\"timestamp\"}],\"database\":\"my_database_name\"}";
    TableDesc desc = JsonUtil.readValue(requestTableData, TableDesc.class);
    String[] dbTable = HadoopUtil.parseHiveTableName(desc.getIdentity());
    desc.setName(dbTable[1]);
    desc.setDatabase(dbTable[0]);
    Assert.assertEquals("my_table_name".toUpperCase(Locale.ROOT), desc.getName());
    Assert.assertEquals("my_database_name".toUpperCase(Locale.ROOT), desc.getDatabase());
}

Example 6

Source File: StorageTest.java From Kylin with Apache License 2.0

6 votes

private List<TblColRef> buildGroups() {
    List<TblColRef> groups = new ArrayList<TblColRef>();

    TableDesc t1 = new TableDesc();
    t1.setName("TEST_KYLIN_FACT");
    t1.setDatabase("DEFAULT");
    ColumnDesc c1 = new ColumnDesc();
    c1.setName("CAL_DT");
    c1.setTable(t1);
    c1.setDatatype("string");
    TblColRef cf1 = new TblColRef(c1);
    groups.add(cf1);

    TableDesc t2 = new TableDesc();
    t2.setName("TEST_CATEGORY_GROUPINGS");
    t2.setDatabase("DEFAULT");
    ColumnDesc c2 = new ColumnDesc();
    c2.setName("META_CATEG_NAME");
    c2.setTable(t2);
    c2.setDatatype("string");
    TblColRef cf2 = new TblColRef(c2);
    groups.add(cf2);

    return groups;
}

Example 7

Source File: FilterSerializeTest.java From Kylin with Apache License 2.0

6 votes

@Test
public void testSerialize07() {
    TableDesc table = new TableDesc();
    table.setName("TEST_KYLIN_FACT");
    table.setDatabase("DEFAULT");

    ColumnDesc column = new ColumnDesc();
    column.setTable(table);
    TblColRef colRef = new TblColRef(column);
    List<TblColRef> groups = new ArrayList<TblColRef>();
    groups.add(colRef);
    TupleFilter filter = buildCompareFilter(groups, 0);

    byte[] bytes = TupleFilterSerializer.serialize(filter);
    TupleFilter newFilter = TupleFilterSerializer.deserialize(bytes);

    compareFilter(filter, newFilter);
}

Example 8

Source File: CoprocessorRowType.java From kylin with Apache License 2.0

6 votes

@Override
public CoprocessorRowType deserialize(ByteBuffer in) {
    int n = BytesUtil.readVInt(in);
    int bodyOffset = BytesUtil.readVInt(in);
    TblColRef[] cols = new TblColRef[n];
    int[] colSizes = new int[n];
    for (int i = 0; i < n; i++) {
        String tableName = BytesUtil.readAsciiString(in);
        String colName = BytesUtil.readAsciiString(in);
        String datatype = BytesUtil.readAsciiString(in);
        TableDesc table = new TableDesc();
        table.setName(tableName);
        ColumnDesc col = new ColumnDesc();
        col.setTable(table);
        col.setName(colName);
        col.setDatatype(datatype);
        col.init(table);
        cols[i] = col.getRef();

        int colSize = BytesUtil.readVInt(in);
        colSizes[i] = colSize;
    }
    return new CoprocessorRowType(cols, colSizes, bodyOffset);
}

Example 9

Source File: JdbcExplorer.java From kylin with Apache License 2.0

5 votes

@Override
public Pair<TableDesc, TableExtDesc> loadTableMetadata(String database, String table, String prj)
        throws SQLException {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase(database.toUpperCase(Locale.ROOT));
    tableDesc.setName(table.toUpperCase(Locale.ROOT));
    tableDesc.setUuid(RandomUtil.randomUUID().toString());
    tableDesc.setLastModified(0);
    tableDesc.setSourceType(ISourceAware.ID_JDBC);

    Connection con = SqlUtil.getConnection(dbconf);
    DatabaseMetaData dbmd = con.getMetaData();

    try (ResultSet rs = jdbcMetadataDialect.getTable(dbmd, database, table)) {
        String tableType = null;
        while (rs.next()) {
            tableType = rs.getString("TABLE_TYPE");
        }
        if (tableType != null) {
            tableDesc.setTableType(tableType);
        } else {
            throw new RuntimeException(
                    String.format(Locale.ROOT, "table %s not found in schema:%s", table, database));
        }
    }

    try (ResultSet rs = jdbcMetadataDialect.listColumns(dbmd, database, table)) {
        tableDesc.setColumns(extractColumnFromMeta(rs));
    } finally {
        DBUtils.closeQuietly(con);
    }

    TableExtDesc tableExtDesc = new TableExtDesc();
    tableExtDesc.setIdentity(tableDesc.getIdentity());
    tableExtDesc.setUuid(RandomUtil.randomUUID().toString());
    tableExtDesc.setLastModified(0);
    tableExtDesc.init(prj);

    return Pair.newPair(tableDesc, tableExtDesc);
}

Example 10

Source File: AggregateRegionObserverTest.java From Kylin with Apache License 2.0

5 votes

private CoprocessorRowType newRowType() {
    TableDesc t = new TableDesc();
    t.setName("TABLE");
    t.setDatabase("DEFAULT");
    TblColRef[] cols = new TblColRef[] { newCol("A", t), newCol("B", t), newCol("C", t), newCol("D", t) };
    int[] sizes = new int[] { 1, 1, 1, 1 };
    return new CoprocessorRowType(cols, sizes);
}

Example 11

Source File: CacheServiceTest.java From Kylin with Apache License 2.0

5 votes

private TableDesc createTestTableDesc() {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase("TEST_DB");
    tableDesc.setName("TEST_TABLE");
    tableDesc.setUuid(UUID.randomUUID().toString());
    tableDesc.setLastModified(0);
    return tableDesc;
}

Example 12

Source File: FilterSerializeTest.java From kylin with Apache License 2.0

5 votes

@Test
public void testSerialize07() {
    TableDesc table = new TableDesc();
    table.setName("TEST_KYLIN_FACT");
    table.setDatabase("DEFAULT");

    ColumnDesc column = new ColumnDesc();
    column.setTable(table);
    TblColRef colRef = column.getRef();
    List<TblColRef> groups = new ArrayList<TblColRef>();
    groups.add(colRef);

    assertFilterSerDe(buildEQCompareFilter(groups, 0));
}

Example 13

Source File: CacheServiceTest.java From kylin with Apache License 2.0

5 votes

private TableDesc createTestTableDesc() {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase("TEST_DB");
    tableDesc.setName("TEST_TABLE");
    tableDesc.setUuid(RandomUtil.randomUUID().toString());
    tableDesc.setLastModified(0);
    return tableDesc;
}

Example 14

Source File: KylinTableCreator.java From kylin with Apache License 2.0

5 votes

public static TableDesc generateKylinTable(KylinConfig kylinConfig, MetricsSinkDesc sinkDesc, String subject,
                                           List<Pair<String, String>> columns) {
    TableDesc kylinTable = new TableDesc();

    Pair<String, String> tableNameSplits = ActiveReservoirReporter
            .getTableNameSplits(sinkDesc.getTableNameForMetrics(subject));
    kylinTable.setUuid(RandomUtil.randomUUID().toString());
    kylinTable.setDatabase(tableNameSplits.getFirst());
    kylinTable.setName(tableNameSplits.getSecond());
    kylinTable.setTableType(null);
    kylinTable.setLastModified(0L);
    kylinTable.setSourceType(sinkDesc.getSourceType());

    ColumnDesc[] columnDescs = new ColumnDesc[columns.size()];
    for (int i = 0; i < columns.size(); i++) {
        columnDescs[i] = new ColumnDesc();
        Pair<String, String> entry = columns.get(i);
        columnDescs[i].setId(Integer.toString(i + 1));
        columnDescs[i].setName(entry.getFirst());
        columnDescs[i].setDatatype(entry.getSecond());
    }
    kylinTable.setColumns(columnDescs);

    kylinTable.init(kylinConfig, MetricsManager.SYSTEM_PROJECT);

    return kylinTable;
}

Example 15

Source File: TableService.java From kylin-on-parquet-v2 with Apache License 2.0

5 votes

public TableDesc generateCsvTableDesc(String tableName, List<String> columnDescList) throws IOException {
    String[] strs = tableName.split("\\.");
    if (strs.length != 2) {
        throw new IllegalArgumentException("Invalid table name + '" + tableName + "'");
    }
    TableDesc tableDesc = new TableDesc();

    tableDesc.setDatabase(strs[0]);
    tableDesc.setName(strs[1]);
    tableDesc.setUuid(RandomUtil.randomUUID().toString());
    tableDesc.setLastModified(0);
    tableDesc.setSourceType(ISourceAware.ID_SPARK);
    List<ColumnDesc> columnDescs = new ArrayList<>();
    int index = 0;

    for (String csvColumnDescStr : columnDescList) {
        index++;
        ColumnDesc columnDesc = new ColumnDesc();
        CsvColumnDesc csvColumnDesc = JsonUtil.readValue(csvColumnDescStr, CsvColumnDesc.class);
        columnDesc.setId("" + index);
        columnDesc.setName((csvColumnDesc).getName());
        columnDesc.setDatatype((csvColumnDesc).getType());
        columnDescs.add(columnDesc);
    }

    tableDesc.setColumns(columnDescs.toArray(new ColumnDesc[columnDescs.size()]));

    return tableDesc;
}

Example 16

Source File: FilterSerializeTest.java From kylin-on-parquet-v2 with Apache License 2.0

5 votes

@Test
public void testSerialize07() {
    TableDesc table = new TableDesc();
    table.setName("TEST_KYLIN_FACT");
    table.setDatabase("DEFAULT");

    ColumnDesc column = new ColumnDesc();
    column.setTable(table);
    TblColRef colRef = column.getRef();
    List<TblColRef> groups = new ArrayList<TblColRef>();
    groups.add(colRef);

    assertFilterSerDe(buildEQCompareFilter(groups, 0));
}

Example 17

Source File: CacheServiceTest.java From kylin-on-parquet-v2 with Apache License 2.0

5 votes

private TableDesc createTestTableDesc() {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase("TEST_DB");
    tableDesc.setName("TEST_TABLE");
    tableDesc.setUuid(RandomUtil.randomUUID().toString());
    tableDesc.setLastModified(0);
    return tableDesc;
}

Example 18

Source File: JdbcExplorer.java From kylin-on-parquet-v2 with Apache License 2.0

5 votes

@Override
public Pair<TableDesc, TableExtDesc> loadTableMetadata(String database, String table, String prj)
        throws SQLException {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase(database.toUpperCase(Locale.ROOT));
    tableDesc.setName(table.toUpperCase(Locale.ROOT));
    tableDesc.setUuid(RandomUtil.randomUUID().toString());
    tableDesc.setLastModified(0);
    tableDesc.setSourceType(ISourceAware.ID_JDBC);

    Connection con = SqlUtil.getConnection(dbconf);
    DatabaseMetaData dbmd = con.getMetaData();

    try (ResultSet rs = jdbcMetadataDialect.getTable(dbmd, database, table)) {
        String tableType = null;
        while (rs.next()) {
            tableType = rs.getString("TABLE_TYPE");
        }
        if (tableType != null) {
            tableDesc.setTableType(tableType);
        } else {
            throw new RuntimeException(
                    String.format(Locale.ROOT, "table %s not found in schema:%s", table, database));
        }
    }

    try (ResultSet rs = jdbcMetadataDialect.listColumns(dbmd, database, table)) {
        tableDesc.setColumns(extractColumnFromMeta(rs));
    } finally {
        DBUtils.closeQuietly(con);
    }

    TableExtDesc tableExtDesc = new TableExtDesc();
    tableExtDesc.setIdentity(tableDesc.getIdentity());
    tableExtDesc.setUuid(RandomUtil.randomUUID().toString());
    tableExtDesc.setLastModified(0);
    tableExtDesc.init(prj);

    return Pair.newPair(tableDesc, tableExtDesc);
}

Example 19

Source File: JdbcExplorer.java From kylin with Apache License 2.0

4 votes

@Override
public Pair<TableDesc, TableExtDesc> loadTableMetadata(String database, String table, String prj)
        throws SQLException {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase(database.toUpperCase(Locale.ROOT));
    tableDesc.setName(table.toUpperCase(Locale.ROOT));
    tableDesc.setUuid(UUID.randomUUID().toString());
    tableDesc.setLastModified(0);
    tableDesc.setProject(prj);
    tableDesc.setSourceType(JdbcSource.SOURCE_ID);

    try (CachedRowSet tables = dataSource.getTable(database, table)) {
        String tableType = null;
        while (tables.next()) {
            tableType = tables.getString("TABLE_TYPE");
        }
        if (tableType != null) {
            tableDesc.setTableType(tableType);
        } else {
            throw new RuntimeException(String.format(Locale.ROOT, "table %s not found in schema:%s", table, database));
        }
    }

    try (CachedRowSet columns = dataSource.listColumns(database, table)) {
        List<ColumnDesc> columnDescs = new ArrayList<>();

        while (columns.next()) {
            String cname = columns.getString("COLUMN_NAME");
            int type = columns.getInt("DATA_TYPE");
            int csize = columns.getInt("COLUMN_SIZE");
            int digits = columns.getInt("DECIMAL_DIGITS");
            int pos = columns.getInt("ORDINAL_POSITION");
            String remarks = columns.getString("REMARKS");

            ColumnDesc cdesc = new ColumnDesc();
            cdesc.setName(cname.toUpperCase(Locale.ROOT));

            String kylinType = dataSource.toKylinTypeName(type);
            if ("any".equals(kylinType)) {
                String typeName = columns.getString("TYPE_NAME");
                int kylinTypeId = dataSource.toKylinTypeId(typeName, type);
                kylinType = dataSource.toKylinTypeName(kylinTypeId);
            }
            int precision = (SqlUtil.isPrecisionApplicable(kylinType) && csize > 0) ? csize : -1;
            precision = Math.min(precision, KylinConfig.getInstanceFromEnv().getDefaultVarcharPrecision());
            int scale = (SqlUtil.isScaleApplicable(kylinType) && digits > 0) ? digits : -1;

            cdesc.setDatatype(new DataType(kylinType, precision, scale).toString());
            cdesc.setId(String.valueOf(pos));
            cdesc.setComment(remarks);
            columnDescs.add(cdesc);
        }

        tableDesc.setColumns(columnDescs.toArray(new ColumnDesc[columnDescs.size()]));

        TableExtDesc tableExtDesc = new TableExtDesc();
        tableExtDesc.setIdentity(tableDesc.getIdentity());
        tableExtDesc.setUuid(UUID.randomUUID().toString());
        tableExtDesc.setLastModified(0);
        tableExtDesc.init(prj);

        return Pair.newPair(tableDesc, tableExtDesc);
    }
}

Example 20

Source File: JdbcExplorer.java From kylin-on-parquet-v2 with Apache License 2.0

4 votes

@Override
public Pair<TableDesc, TableExtDesc> loadTableMetadata(String database, String table, String prj)
        throws SQLException {
    TableDesc tableDesc = new TableDesc();
    tableDesc.setDatabase(database.toUpperCase(Locale.ROOT));
    tableDesc.setName(table.toUpperCase(Locale.ROOT));
    tableDesc.setUuid(UUID.randomUUID().toString());
    tableDesc.setLastModified(0);
    tableDesc.setProject(prj);
    tableDesc.setSourceType(JdbcSource.SOURCE_ID);

    try (CachedRowSet tables = dataSource.getTable(database, table)) {
        String tableType = null;
        while (tables.next()) {
            tableType = tables.getString("TABLE_TYPE");
        }
        if (tableType != null) {
            tableDesc.setTableType(tableType);
        } else {
            throw new RuntimeException(String.format(Locale.ROOT, "table %s not found in schema:%s", table, database));
        }
    }

    try (CachedRowSet columns = dataSource.listColumns(database, table)) {
        List<ColumnDesc> columnDescs = new ArrayList<>();

        while (columns.next()) {
            String cname = columns.getString("COLUMN_NAME");
            int type = columns.getInt("DATA_TYPE");
            int csize = columns.getInt("COLUMN_SIZE");
            int digits = columns.getInt("DECIMAL_DIGITS");
            int pos = columns.getInt("ORDINAL_POSITION");
            String remarks = columns.getString("REMARKS");

            ColumnDesc cdesc = new ColumnDesc();
            cdesc.setName(cname.toUpperCase(Locale.ROOT));

            String kylinType = dataSource.toKylinTypeName(type);
            if ("any".equals(kylinType)) {
                String typeName = columns.getString("TYPE_NAME");
                int kylinTypeId = dataSource.toKylinTypeId(typeName, type);
                kylinType = dataSource.toKylinTypeName(kylinTypeId);
            }
            int precision = (SqlUtil.isPrecisionApplicable(kylinType) && csize > 0) ? csize : -1;
            precision = Math.min(precision, KylinConfig.getInstanceFromEnv().getDefaultVarcharPrecision());
            int scale = (SqlUtil.isScaleApplicable(kylinType) && digits > 0) ? digits : -1;

            cdesc.setDatatype(new DataType(kylinType, precision, scale).toString());
            cdesc.setId(String.valueOf(pos));
            cdesc.setComment(remarks);
            columnDescs.add(cdesc);
        }

        tableDesc.setColumns(columnDescs.toArray(new ColumnDesc[columnDescs.size()]));

        TableExtDesc tableExtDesc = new TableExtDesc();
        tableExtDesc.setIdentity(tableDesc.getIdentity());
        tableExtDesc.setUuid(UUID.randomUUID().toString());
        tableExtDesc.setLastModified(0);
        tableExtDesc.init(prj);

        return Pair.newPair(tableDesc, tableExtDesc);
    }
}