Ejemplo n.º 1
0
  static String genrateIndexRow(Table table, Index index) {
    StringBuilder sb = new StringBuilder();
    sb.append("        <tr class='primaryrow2'>");

    // name column
    String anchor = (table.getTypeName() + "-" + index.getTypeName()).toLowerCase();
    sb.append(
        "<td style='white-space: nowrap'><i id='s-"
            + anchor
            + "--icon' class='icon-chevron-right'></i> <a href='#' id='s-");
    sb.append(anchor).append("' class='togglex'>");
    sb.append(index.getTypeName());
    sb.append("</a></td>");

    // type column
    sb.append("<td>");
    sb.append(IndexType.get(index.getType()).toString());
    sb.append("</td>");

    // columns column
    sb.append("<td>");
    List<ColumnRef> cols = CatalogUtil.getSortedCatalogItems(index.getColumns(), "index");
    List<String> columnNames = new ArrayList<String>();
    for (ColumnRef colRef : cols) {
      columnNames.add(colRef.getColumn().getTypeName());
    }
    sb.append(StringUtils.join(columnNames, ", "));
    sb.append("</td>");

    // uniqueness column
    sb.append("<td>");
    if (index.getAssumeunique()) {
      tag(sb, "important", "AssumeUnique");
    } else if (index.getUnique()) {
      tag(sb, "important", "Unique");
    } else {
      tag(sb, "info", "Nonunique");
    }
    sb.append("</td>");

    sb.append("</tr>\n");

    // BUILD THE DROPDOWN FOR THE PLAN/DETAIL TABLE
    sb.append(
        "<tr class='dropdown2'><td colspan='5' id='s-"
            + table.getTypeName().toLowerCase()
            + "-"
            + index.getTypeName().toLowerCase()
            + "--dropdown'>\n");

    IndexAnnotation annotation = (IndexAnnotation) index.getAnnotation();
    if (annotation != null) {
      if (annotation.proceduresThatUseThis.size() > 0) {
        sb.append("<p>Used by procedures: ");
        List<String> procs = new ArrayList<String>();
        for (Procedure proc : annotation.proceduresThatUseThis) {
          procs.add("<a href='#p-" + proc.getTypeName() + "'>" + proc.getTypeName() + "</a>");
        }
        sb.append(StringUtils.join(procs, ", "));
        sb.append("</p>");
      }
    }

    sb.append("</td></tr>\n");

    return sb.toString();
  }
Ejemplo n.º 2
0
  public static MaterializedViewInfo addVerticalPartition(
      final Table catalog_tbl, final Collection<Column> catalog_cols, final boolean createIndex)
      throws Exception {
    assert (catalog_cols.isEmpty() == false);
    Database catalog_db = ((Database) catalog_tbl.getParent());

    String viewName = getNextVerticalPartitionName(catalog_tbl, catalog_cols);
    if (debug.get())
      LOG.debug(
          String.format(
              "Adding Vertical Partition %s for %s: %s", viewName, catalog_tbl, catalog_cols));

    // Create a new virtual table
    Table virtual_tbl = catalog_db.getTables().get(viewName);
    if (virtual_tbl == null) {
      virtual_tbl = catalog_db.getTables().add(viewName);
    }
    virtual_tbl.setIsreplicated(true);
    virtual_tbl.setMaterializer(catalog_tbl);
    virtual_tbl.setSystable(true);
    virtual_tbl.getColumns().clear();

    // Create MaterializedView and link it to the virtual table
    MaterializedViewInfo catalog_view = catalog_tbl.getViews().add(viewName);
    catalog_view.setVerticalpartition(true);
    catalog_view.setDest(virtual_tbl);
    List<Column> indexColumns = new ArrayList<Column>();

    Column partition_col = catalog_tbl.getPartitioncolumn();
    if (partition_col instanceof VerticalPartitionColumn) {
      partition_col = ((VerticalPartitionColumn) partition_col).getHorizontalColumn();
    }
    if (debug.get()) LOG.debug(catalog_tbl.getName() + " Partition Column: " + partition_col);

    int i = 0;
    assert (catalog_cols != null);
    assert (catalog_cols.isEmpty() == false)
        : "No vertical partitioning columns for " + catalog_view.fullName();
    for (Column catalog_col : catalog_cols) {
      // MaterializedView ColumnRef
      ColumnRef catalog_ref = catalog_view.getGroupbycols().add(catalog_col.getName());
      catalog_ref.setColumn(catalog_col);
      catalog_ref.setIndex(i++);

      // VirtualTable Column
      Column virtual_col = virtual_tbl.getColumns().add(catalog_col.getName());
      virtual_col.setDefaulttype(catalog_col.getDefaulttype());
      virtual_col.setDefaultvalue(catalog_col.getDefaultvalue());
      virtual_col.setIndex(catalog_col.getIndex());
      virtual_col.setNullable(catalog_col.getNullable());
      virtual_col.setSize(catalog_col.getSize());
      virtual_col.setType(catalog_col.getType());
      if (debug.get())
        LOG.debug(String.format("Added VerticalPartition column %s", virtual_col.fullName()));

      // If they want an index, then we'll make one based on every column except for the column
      // that the table is partitioned on
      if (createIndex) {
        boolean include = true;
        if (partition_col instanceof MultiColumn) {
          include = (((MultiColumn) partition_col).contains(catalog_col) == false);
        } else if (catalog_col.equals(partition_col)) {
          include = false;
        }
        if (include) indexColumns.add(virtual_col);
      }
    } // FOR

    if (createIndex) {
      if (indexColumns.isEmpty()) {
        Map<String, Object> m = new ListOrderedMap<String, Object>();
        m.put("Partition Column", partition_col);
        m.put("VP Table Columns", virtual_tbl.getColumns());
        m.put("Passed-in Columns", CatalogUtil.debug(catalog_cols));
        LOG.error("Failed to find index columns\n" + StringUtil.formatMaps(m));
        throw new Exception(String.format("No columns selected for index on %s", viewName));
      }
      String idxName = "SYS_IDX_" + viewName;
      Index virtual_idx = virtual_tbl.getIndexes().get(idxName);
      if (virtual_idx == null) {
        virtual_idx = virtual_tbl.getIndexes().add(idxName);
      }
      virtual_idx.getColumns().clear();

      IndexType idxType =
          (indexColumns.size() == 1 ? IndexType.HASH_TABLE : IndexType.BALANCED_TREE);
      virtual_idx.setType(idxType.getValue());
      i = 0;
      for (Column catalog_col : indexColumns) {
        ColumnRef cref = virtual_idx.getColumns().add(catalog_col.getTypeName());
        cref.setColumn(catalog_col);
        cref.setIndex(i++);
      } // FOR

      if (debug.get())
        LOG.debug(
            String.format(
                "Created %s index '%s' for vertical partition '%s'", idxType, idxName, viewName));
    }
    return (catalog_view);
  }