Examples of SSTableScanner

com.netflix.aegisthus.io.sstable.SSTableScanner

This class serializes each row in a SSTable to a string.

 SSTableScanner scanner = new SSTableScanner("columnfamily-g-1-Data.db"); while (scanner.hasNext()) { String row = scanner.next(); System.out.println(jsonRow); }

org.apache.cassandra.io.SSTableScanner
org.apache.cassandra.io.sstable.SSTableScanner

Examples of org.apache.cassandra.io.sstable.SSTableScanner

        assertEquals(1, cfs.getSSTables().size());


        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        Range keyRange = new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
        SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
        OnDiskAtomIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        assert iter.next() instanceof RangeTombstone;
        assert !iter.hasNext();
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        Thread.sleep(2000); // wait for ttl to expire
        assertEquals(4, cfs.getSSTables().size());
        cfs.enableAutoCompaction(true);
        assertEquals(1, cfs.getSSTables().size());
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        SSTableScanner scanner = sstable.getScanner(DataRange.allData(sstable.partitioner));
        assertTrue(scanner.hasNext());
        while(scanner.hasNext())
        {
            OnDiskAtomIterator iter = scanner.next();
            assertEquals(noTTLKey, iter.getKey());
        }
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        }


        // sstables
        for (SSTableReader sstable : sstables)
        {
            final SSTableScanner scanner = sstable.getScanner(RANGE_FILE_BUFFER_SIZE, filter);
            scanner.seekTo(startWith);
            assert scanner instanceof Closeable; // otherwise we leak FDs
            iterators.add(scanner);
        }


        Iterator<IColumnIterator> collated = IteratorUtils.collatedIterator(COMPARE_BY_KEY, iterators);

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

            iterators.add(new ConvertToColumnIterator(filter, memtable.getEntryIterator(startWith, stopAt)));
        }


        for (SSTableReader sstable : sstables)
        {
            final SSTableScanner scanner = sstable.getScanner(filter);
            scanner.seekTo(startWith);
            assert scanner instanceof Closeable; // otherwise we leak FDs
            iterators.add(scanner);
        }


        // reduce rows from all sources into a single row

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        CompactionManager.instance.performMaximal(cfs);
        assertEquals(1, cfs.getSSTables().size());


        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        SSTableScanner scanner = sstable.getScanner(new QueryFilter(null, new QueryPath("Super1", scName), new IdentityQueryFilter()));
        scanner.seekTo(key);
        OnDiskAtomIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        SuperColumn sc = (SuperColumn) iter.next();
        assert sc.getSubColumns().isEmpty();
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        assertEquals(1, cfs.getSSTables().size());


        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        Range keyRange = new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
        SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
        OnDiskAtomIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        assert iter.next() instanceof RangeTombstone;
        assert !iter.hasNext();
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

            iterators.add(new ConvertToColumnIterator<AtomicSortedColumns>(range, memtable.getEntryIterator(range.startKey(), range.stopKey())));
        }


        for (SSTableReader sstable : sstables)
        {
            final SSTableScanner scanner = sstable.getScanner(range);
            iterators.add(scanner);
        }


        // reduce rows from all sources into a single row
        return MergeIterator.get(iterators, COMPARE_BY_KEY, new MergeIterator.Reducer<OnDiskAtomIterator, Row>()

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        assertEquals(1, cfs.getSSTables().size());


        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        Range keyRange = new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
        SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
        OnDiskAtomIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        assert iter.next() instanceof RangeTombstone;
        assert !iter.hasNext();
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        assertEquals(1, cfs.getSSTables().size());


        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        Range keyRange = new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
        SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
        OnDiskAtomIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        assert iter.next() instanceof RangeTombstone;
        assert !iter.hasNext();
    }

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Examples of org.apache.cassandra.io.sstable.SSTableScanner

        assertEquals(2, store.getSSTables().size());
        int repairedKeys = 0;
        int nonRepairedKeys = 0;
        for (SSTableReader sstable : store.getSSTables())
        {
            SSTableScanner scanner = sstable.getScanner();
            while (scanner.hasNext())
            {
                SSTableIdentityIterator row = (SSTableIdentityIterator) scanner.next();
                if (sstable.isRepaired())
                {
                    assertTrue(range.contains(row.getKey().getToken()));
                    repairedKeys++;
                }

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