Examples of org.apache.derby.iapi.services.io.FormatableBitSet.grow()

Package org.apache.derby.iapi.services.io

Class org.apache.derby.iapi.services.io.FormatableBitSet

Examples of org.apache.derby.iapi.services.io.FormatableBitSet.grow()

org.apache.derby.iapi.services.io.FormatableBitSet.grow()
Grow (widen) a FormatableBitSet so that it contains at least N bits. If the bitset already has more than n bits, this is a noop. Negative values of n are not allowed. ASSUMPTIONS: that all extra bits in the last byte are zero. @param n The number of bits you want. The bits arealways added as 0 and are appended to the least significant end of the bit array.

                        required_cols.set(i);
                }


                if (this.init_stopKeyValue != null)
                {
                    required_cols.grow(this.init_stopKeyValue.length);
                    for (int i = 0; i < this.init_stopKeyValue.length; i++)
                        required_cols.set(i);
                }


                FormatableBitSet required_cols_and_scan_list =

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      // add a new bit to the bit set. If DROP, then remove the bit
      // for the dropped column.
      if (columnDescriptor == null)
      {
        int currentLength = columns.getLength();
        columns.grow(currentLength+1);
      }
      else
      {
        FormatableBitSet modifiedColumns=new FormatableBitSet(columns);
        modifiedColumns.shrink(columns.getLength()-1);

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        // necessary, which is the union of the "key" (col[2]) and other
        // columns referenced in the qualifier list.
        FormatableBitSet fetch_row_validColumns = RowUtil.getQualifierBitSet(qualifier);


        // now add in column 2, as we always need the key field.
    fetch_row_validColumns.grow(3);// grow to length of 3 
        fetch_row_validColumns.set(2);


        // add in any fields in start and stop positions
        if (start_key != null)
        {

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    baseColumns = baseColumnPositions.length;


    FormatableBitSet indexColsBitSet = new FormatableBitSet();
    for (int i = 0; i < baseColumns; i++)
    {
      indexColsBitSet.grow(baseColumnPositions[i]);
      indexColsBitSet.set(baseColumnPositions[i] - 1);
    }


    /* Get a row template */
    indexScanTemplate = ec.getExecutionFactory().getValueRow(baseColumns + 1);

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    FormatableBitSet colList = new FormatableBitSet(2);
    T_RawStoreRow rowU = new T_RawStoreRow(2);


    // -1 indicates no columns set in bit set
    if (colNum != -1) {
      colList.grow(colNum+1);
      colList.set(colNum);
      rowU.setColumn(colNum, newVal);
    } else {
      colNum = 0; // only used for read from now on
    }

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                    required_cols = new FormatableBitSet(0);


                // add in start columns
                if (this.init_startKeyValue != null)
                {
          required_cols.grow(this.init_startKeyValue.length);
                    for (int i = 0; i < this.init_startKeyValue.length; i++)
                        required_cols.set(i);
                }


                if (this.init_stopKeyValue != null)

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                        required_cols.set(i);
                }


                if (this.init_stopKeyValue != null)
                {
          required_cols.grow(this.init_stopKeyValue.length);
                    for (int i = 0; i < this.init_stopKeyValue.length; i++)
                        required_cols.set(i);
                }


                FormatableBitSet required_cols_and_scan_list =

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    FormatableBitSet colList = new FormatableBitSet(2);
    T_RawStoreRow rowU = new T_RawStoreRow(2);


    // -1 indicates no columns set in bit set
    if (colNum != -1) {
      colList.grow(colNum+1);
      colList.set(colNum);
      rowU.setColumn(colNum, newVal);
    } else {
      colNum = 0; // only used for read from now on
    }

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      // add a new bit to the bit set. If DROP, then remove the bit
      // for the dropped column.
      if (columnDescriptor == null)
      {
        int currentLength = columns.getLength();
        columns.grow(currentLength+1);
      }
      else
      {
        FormatableBitSet modifiedColumns=new FormatableBitSet(columns);
        modifiedColumns.shrink(columns.getLength()-1);

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        baseColumns = baseColumnPositions.length;


        FormatableBitSet indexColsBitSet = new FormatableBitSet();
        for (int i = 0; i < baseColumns; i++)
        {
          indexColsBitSet.grow(baseColumnPositions[i]);
          indexColsBitSet.set(baseColumnPositions[i] - 1);
        }


        /* Get one row template for the index scan, and one for the fetch */
        indexRow = ef.getValueRow(baseColumns + 1);

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