Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ColumnFamily

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    }

    public static ColumnFamily removeDeletedAndOldShards(DecoratedKey key, boolean shouldPurge, CompactionController controller, ColumnFamily cf)
    {
        // See comment in preceding method
        ColumnFamily compacted = ColumnFamilyStore.removeDeleted(cf, shouldPurge ? controller.gcBefore : Integer.MIN_VALUE);
        if (shouldPurge && compacted != null && compacted.metadata().getDefaultValidator().isCommutative())
            CounterColumn.mergeAndRemoveOldShards(key, compacted, controller.gcBefore, controller.mergeShardBefore);
        return compacted;
    }
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    }

    private static ColumnFamily merge(List<SSTableIdentityIterator> rows)
    {
        assert !rows.isEmpty();
        ColumnFamily cf = null;
        for (SSTableIdentityIterator row : rows)
        {
            ColumnFamily thisCF;
            try
            {
                thisCF = row.getColumnFamilyWithColumns();
            }
            catch (IOException e)
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        // taking this into account.
        Boolean shouldPurge = null;

        if (cf.hasExpiredTombstones(controller.gcBefore))
            shouldPurge = controller.shouldPurge(key);
        ColumnFamily compacted = shouldPurge != null && shouldPurge
                               ? ColumnFamilyStore.removeDeleted(cf, controller.gcBefore)
                               : cf;

        if (compacted != null && compacted.metadata().getDefaultValidator().isCommutative())
        {
            if (shouldPurge == null)
                shouldPurge = controller.shouldPurge(key);
            if (shouldPurge)
                CounterColumn.mergeAndRemoveOldShards(key, compacted, controller.gcBefore, controller.mergeShardBefore);
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        return compacted;
    }

    public static ColumnFamily removeDeletedAndOldShards(DecoratedKey key, boolean shouldPurge, CompactionController controller, ColumnFamily cf)
    {
        ColumnFamily compacted = shouldPurge ? ColumnFamilyStore.removeDeleted(cf, controller.gcBefore) : cf;
        if (shouldPurge && compacted != null && compacted.metadata().getDefaultValidator().isCommutative())
            CounterColumn.mergeAndRemoveOldShards(key, compacted, controller.gcBefore, controller.mergeShardBefore);
        return compacted;
    }
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             removeDeletedAndOldShards(rows.get(0).getKey(), controller, merge(rows)));
    }

    private static ColumnFamily merge(List<SSTableIdentityIterator> rows)
    {
        ColumnFamily cf = null;
        for (SSTableIdentityIterator row : rows)
        {
            ColumnFamily thisCF;
            try
            {
                thisCF = row.getColumnFamilyWithColumns();
            }
            catch (IOException e)
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        cfs.invalidateCachedRow(key);
    }

    public void removeDeletedInCache(DecoratedKey key)
    {
        ColumnFamily cachedRow = cfs.getRawCachedRow(key);
        if (cachedRow != null)
            ColumnFamilyStore.removeDeleted(cachedRow, gcBefore);
    }
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public class ReadResponseResolverTest
{
    @Test
    public void testResolveSupersetNewer()
    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c1", "v2", 1));

        ColumnFamily resolved = ReadResponseResolver.resolveSuperset(Arrays.asList(cf1, cf2));
        assertColumns(resolved, "c1");
        assertColumns(ColumnFamily.diff(cf1, resolved), "c1");
        assertNull(ColumnFamily.diff(cf2, resolved));
    }
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    }

    @Test
    public void testResolveSupersetDisjoint()
    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c2", "v2", 1));

        ColumnFamily resolved = ReadResponseResolver.resolveSuperset(Arrays.asList(cf1, cf2));
        assertColumns(resolved, "c1", "c2");
        assertColumns(ColumnFamily.diff(cf1, resolved), "c2");
        assertColumns(ColumnFamily.diff(cf2, resolved), "c1");
    }
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    }

    @Test
    public void testResolveSupersetNullOne()
    {
        ColumnFamily cf2 = ColumnFamily.create("Keyspace1", "Standard1");
        cf2.addColumn(column("c2", "v2", 1));

        ColumnFamily resolved = ReadResponseResolver.resolveSuperset(Arrays.asList(null, cf2));
        assertColumns(resolved, "c2");
        assertColumns(ColumnFamily.diff(null, resolved), "c2");
        assertNull(ColumnFamily.diff(cf2, resolved));
    }
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    }

    @Test
    public void testResolveSupersetNullTwo()
    {
        ColumnFamily cf1 = ColumnFamily.create("Keyspace1", "Standard1");
        cf1.addColumn(column("c1", "v1", 0));

        ColumnFamily resolved = ReadResponseResolver.resolveSuperset(Arrays.asList(cf1, null));
        assertColumns(resolved, "c1");
        assertNull(ColumnFamily.diff(cf1, resolved));
        assertColumns(ColumnFamily.diff(null, resolved), "c1");
    }
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