Examples of org.apache.derby.iapi.sql.dictionary.IndexRowGenerator

Package org.apache.derby.iapi.sql.dictionary

Examples of org.apache.derby.iapi.sql.dictionary.IndexRowGenerator

org.apache.derby.iapi.sql.dictionary.IndexRowGenerator
This class extends IndexDescriptor for internal use by the DataDictionary.

    for (int i = 0; i < baseColumnPositions.length; i++)
      isAscending[i] = true;


    // For now, assume that all index columns are ordered columns
    ti.setIndexRowGenerator(indexNumber, 
                new IndexRowGenerator(
                      "BTREE", ti.isIndexUnique(indexNumber),
                      baseColumnPositions,
                      isAscending,
                      baseColumnPositions.length));
  }

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          distinctConglomNums[distinctCount++] = cd.getConglomerateNumber();
          conglomVector.addElement( cd );
        }
      }


      IndexRowGenerator ixd = cd.getIndexDescriptor();
      int[] cols = ixd.baseColumnPositions(); 


      if (colBitSet != null)
      {
        for (int i = 0; i < cols.length; i++)
        {

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          distinctConglomNums[distinctCount++] = cd.getConglomerateNumber();
          conglomVector.addElement( cd );
        }
      }


      IndexRowGenerator ixd = cd.getIndexDescriptor();
      int[] cols = ixd.baseColumnPositions(); 


      if (colBitSet != null)
      {
        for (int i = 0; i < cols.length; i++)
        {

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                   0, 0, 0.0, null);
        }
      }
      else
      {
        IndexRowGenerator irg =
              currentConglomerateDescriptor.getIndexDescriptor();


        int[] baseColumnPositions = irg.baseColumnPositions();
        boolean[] isAscending = irg.isAscending();


        for (int i = 0; i < baseColumnPositions.length; i++)
        {
          /*
          ** Don't add the column to the ordering if it's already

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   * @exception StandardException    Thrown on error
   */
  public boolean isCoveringIndex(ConglomerateDescriptor cd) throws StandardException
  {
    boolean coveringIndex = true;
    IndexRowGenerator  irg;
    int[]        baseCols;
    int          colPos;


    /* You can only be a covering index if you're an index */
    if ( ! cd.isIndex())
      return false;


    irg = cd.getIndexDescriptor();
    baseCols = irg.baseColumnPositions();


    /* First we check to see if this is a covering index */
    int rclSize = resultColumns.size();
    for (int index = 0; index < rclSize; index++)
    {

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                    ConglomerateDescriptor idxCD,
                    ConglomerateDescriptor heapCD,
                    boolean cloneRCs)
            throws StandardException
  {
    IndexRowGenerator  irg = idxCD.getIndexDescriptor();
    int[]        baseCols = irg.baseColumnPositions();
    ResultColumnList  newCols =
                (ResultColumnList) getNodeFactory().getNode(
                        C_NodeTypes.RESULT_COLUMN_LIST,
                        getContextManager());

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    if (! cd.isIndex())
    {
      return false;
    }


    IndexRowGenerator irg =
      cd.getIndexDescriptor();


    // is this a unique index
    if (! irg.isUnique())
    {
      return false;
    }


    int[] baseColumnPositions = irg.baseColumnPositions();


    DataDictionary dd = getDataDictionary();


    // Do we have an exact match on the full key
    for (int index = 0; index < baseColumnPositions.length; index++)

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    ExecIndexRow        indexableRow;
    int              numColumns;
    long            conglomId;
    RowLocation          rl;
    CatalogRowFactory      rf = ti.getCatalogRowFactory();
    IndexRowGenerator      irg;
    ConglomerateDescriptor  conglomerateDescriptor;


    initSystemIndexVariables(ddg, ti, indexNumber);


    irg = ti.getIndexRowGenerator(indexNumber);


    numColumns = ti.getIndexColumnCount(indexNumber);


    /* Is the index unique */
    isUnique = ti.isIndexUnique(indexNumber);


    // create an index row template
    indexableRow = irg.getIndexRowTemplate();


    baseRow = rf.makeEmptyRow();


    // Get a RowLocation template
    cc = tc.openConglomerate(
      heapConglomerateNumber, false, 0,
            TransactionController.MODE_RECORD,
      TransactionController.ISOLATION_REPEATABLE_READ);


    rl = cc.newRowLocationTemplate();
    cc.close();


    // Get an index row based on the base row
    irg.getIndexRow(baseRow, rl, indexableRow, (FormatableBitSet) null);


    // Describe the properties of the index to the store using Properties
    // RESOLVE: The following properties assume a BTREE index.
    Properties  indexProperties = ti.getCreateIndexProperties(indexNumber);

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    for (int i = 0; i < baseColumnPositions.length; i++)
      isAscending[i] = true;


    // For now, assume that all index columns are ordered columns
    ti.setIndexRowGenerator(indexNumber, 
                new IndexRowGenerator(
                      "BTREE", ti.isIndexUnique(indexNumber),
                      baseColumnPositions,
                      isAscending,
                      baseColumnPositions.length));
  }

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                   0, 0, 0.0, null);
        }
      }
      else
      {
        IndexRowGenerator irg =
              currentConglomerateDescriptor.getIndexDescriptor();


        int[] baseColumnPositions = irg.baseColumnPositions();
        boolean[] isAscending = irg.isAscending();


        for (int i = 0; i < baseColumnPositions.length; i++)
        {
          /*
          ** Don't add the column to the ordering if it's already

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Related Classes of org.apache.derby.iapi.sql.dictionary.IndexRowGenerator

org.apache.derby.catalog.types.IndexDescriptorImpl

org.apache.derby.iapi.sql.execute.ExecIndexRow

org.apache.derby.iapi.sql.execute.ExecutionContext

org.apache.derby.iapi.types.DataTypeDescriptor

org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl

org.apache.derby.impl.sql.catalog.DataDictionaryImpl

org.apache.derby.impl.sql.catalog.DD_Version

org.apache.derby.impl.sql.catalog.SYSCONGLOMERATESRowFactory

org.apache.derby.impl.sql.compile.DefaultOptTrace

org.apache.derby.impl.sql.compile.DMLModStatementNode

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