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.

                for (int j = 0; j < qualifiers[i].length; j++)
                {
                    int colId = qualifiers[i][j].getColumnId();


                    // we are about to set bit colId, need length to be colId+1
                    qualifierColumnList.grow(colId+1);
                    qualifierColumnList.set(colId);
                }
      }
    }

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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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      // 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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                    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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            // deleted from the end of the row.
            // The important thing is that endField must be at least as big as
            // the number of columns in the entire record (including previous
            // pages of a long row) up to the end of this page.
            int endField = nextColumn + numberFields;
            loggedColumns.grow(endField);
            // now include all columns being deleted.
            // This actually sets too many bits in this bit set but
            // logRecord will just ignore the extra bits.
      for (int i = nextColumn; i < endField; i++)
            {

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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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        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 = ec.getExecutionFactory().getValueRow(baseColumns + 1);

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                for (int j = 0; j < qualifiers[i].length; j++)
                {
                    int colId = qualifiers[i][j].getColumnId();


                    // we are about to set bit colId, need length to be colId+1
                    qualifierColumnList.grow(colId+1);
                    qualifierColumnList.set(colId);
                }
      }
    }

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