Examples of IColumnIterator

org.apache.cassandra.db.columniterator.IColumnIterator

Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    // cut the resultset back to what was requested, if necessary
                    if (firstFilter != dataFilter)
                    {
                        ColumnFamily expandedData = data;
                        data = expandedData.cloneMeShallow();
                        IColumnIterator iter = dataFilter.getMemtableColumnIterator(expandedData, dk, getComparator());
                        new QueryFilter(dk, path, dataFilter).collectCollatedColumns(data, iter, gcBefore());
                    }


                    rows.add(new Row(dk, data));
                }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    }
                }
            }
        }


        IColumnIterator ci = filter.getMemtableColumnIterator(cached, null, getComparator());
        ColumnFamily cf = null;
        try
        {
            cf = ci.getColumnFamily().cloneMeShallow();
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

        // we are querying top-level columns, do a merging fetch with indexes.
        List<IColumnIterator> iterators = new ArrayList<IColumnIterator>();
        final ColumnFamily returnCF = ColumnFamily.create(metadata);
        try
        {
            IColumnIterator iter;


            /* add the current memtable */
            iter = filter.getMemtableColumnIterator(getMemtableThreadSafe(), getComparator());
            if (iter != null)
            {
                returnCF.delete(iter.getColumnFamily());
                    
                iterators.add(iter);
            }


            /* add the memtables being flushed */
            for (Memtable memtable : memtablesPendingFlush)
            {
                iter = filter.getMemtableColumnIterator(memtable, getComparator());
                if (iter != null)
                {
                    returnCF.delete(iter.getColumnFamily());
                    iterators.add(iter);
                }
            }


            /* add the SSTables on disk */
            int sstablesToIterate = 0;
            for (SSTableReader sstable : ssTables)
            {
                iter = filter.getSSTableColumnIterator(sstable);
                if (iter.getColumnFamily() != null)
                {
                    returnCF.delete(iter.getColumnFamily());
                    iterators.add(iter);
                    sstablesToIterate++;
                }
            }
            recentSSTablesPerRead.add(sstablesToIterate);

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    // cut the resultset back to what was requested, if necessary
                    if (firstFilter != dataFilter)
                    {
                        ColumnFamily expandedData = data;
                        data = expandedData.cloneMeShallow();
                        IColumnIterator iter = dataFilter.getMemtableColumnIterator(expandedData, dk, getComparator());
                        new QueryFilter(dk, path, dataFilter).collectCollatedColumns(data, iter, gcBefore());
                    }


                    rows.add(new Row(dk, data));
                }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    }
                }
            }
        }


        IColumnIterator ci = filter.getMemtableColumnIterator(cached, null, getComparator());
        ColumnFamily cf = null;
        try
        {
            cf = ci.getColumnFamily().cloneMeShallow();
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

        // we are querying top-level columns, do a merging fetch with indexes.
        List<IColumnIterator> iterators = new ArrayList<IColumnIterator>();
        final ColumnFamily returnCF = ColumnFamily.create(metadata);
        try
        {
            IColumnIterator iter;


            /* add the current memtable */
            iter = filter.getMemtableColumnIterator(getMemtableThreadSafe(), getComparator());
            if (iter != null)
            {
                returnCF.delete(iter.getColumnFamily());
                    
                iterators.add(iter);
            }


            /* add the memtables being flushed */
            for (Memtable memtable : memtablesPendingFlush)
            {
                iter = filter.getMemtableColumnIterator(memtable, getComparator());
                if (iter != null)
                {
                    returnCF.delete(iter.getColumnFamily());
                    iterators.add(iter);
                }
            }


            /* add the SSTables on disk */
            int sstablesToIterate = 0;
            for (SSTableReader sstable : ssTables)
            {
                iter = filter.getSSTableColumnIterator(sstable);
                if (iter.getColumnFamily() != null)
                {
                    returnCF.delete(iter.getColumnFamily());
                    iterators.add(iter);
                    sstablesToIterate++;
                }
            }
            recentSSTablesPerRead.add(sstablesToIterate);

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    // cut the resultset back to what was requested, if necessary
                    if (firstFilter != dataFilter)
                    {
                        ColumnFamily expandedData = data;
                        data = expandedData.cloneMeShallow();
                        IColumnIterator iter = dataFilter.getMemtableColumnIterator(expandedData, dk, getComparator());
                        new QueryFilter(dk, path, dataFilter).collectCollatedColumns(data, iter, gcBefore());
                    }


                    rows.add(new Row(dk, data));
                }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                                                            startColumn,
                                                            ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                            false,
                                                            PAGE_SIZE);


            IColumnIterator columns = filter.getSSTableColumnIterator(reader);


            int columnCount = 0;
            while (columns.hasNext())
            {
                // setting new start column to the last of the current columns
                startColumn = columns.next().name();
                columnCount++;
            }


            try
            {

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

     *  The returned column family won't be thread safe.
     */
    ColumnFamily filterColumnFamily(ColumnFamily cached, QueryFilter filter, int gcBefore)
    {
        ColumnFamily cf = cached.cloneMeShallow(ArrayBackedSortedColumns.factory(), filter.filter.isReversed());
        IColumnIterator ci = filter.getMemtableColumnIterator(cached, null, getComparator());
        filter.collateColumns(cf, Collections.singletonList(ci), getComparator(), gcBefore);
        // TODO this is necessary because when we collate supercolumns together, we don't check
        // their subcolumns for relevance, so we need to do a second prune post facto here.
        return cf.isSuper() ? removeDeleted(cf, gcBefore) : removeDeletedCF(cf, gcBefore);
    }

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Examples of org.apache.cassandra.db.columniterator.IColumnIterator

                    }
                }
            }
        }


        IColumnIterator ci = filter.getMemtableColumnIterator(cached, null, getComparator());
        ColumnFamily cf = ci.getColumnFamily().cloneMeShallow();
        filter.collectCollatedColumns(cf, ci, gcBefore);
        // TODO this is necessary because when we collate supercolumns together, we don't check
        // their subcolumns for relevance, so we need to do a second prune post facto here.
        return cf.isSuper() ? removeDeleted(cf, gcBefore) : removeDeletedCF(cf, gcBefore);
    }

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