Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.Mutation

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        ColumnFamilyStore store = keyspace.getColumnFamilyStore("Standard1");

        for (int j = 0; j < 100; j += 2)
        {
            ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(j));
            Mutation rm = new Mutation("Keyspace1", key);
            rm.add("Standard1", cellname("0"), ByteBufferUtil.EMPTY_BYTE_BUFFER, j);
            rm.apply();
        }
        store.forceBlockingFlush();

        clearAndLoad(store);
        assert store.getMaxRowSize() != 0;
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        // insert data and compact to a single sstable
        CompactionManager.instance.disableAutoCompaction();
        for (int j = 0; j < 10; j++)
        {
            ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(j));
            Mutation rm = new Mutation("Keyspace1", key);
            rm.add("Standard2", cellname("0"), ByteBufferUtil.EMPTY_BYTE_BUFFER, j);
            rm.apply();
        }
        store.forceBlockingFlush();
        CompactionManager.instance.performMaximal(store);

        SSTableReader sstable = store.getSSTables().iterator().next();
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    {
        // Create secondary index and flush to disk
        Keyspace keyspace = Keyspace.open("Keyspace1");
        ColumnFamilyStore store = keyspace.getColumnFamilyStore("Indexed1");
        ByteBuffer key = ByteBufferUtil.bytes(String.valueOf("k1"));
        Mutation rm = new Mutation("Keyspace1", key);
        rm.add("Indexed1", cellname("birthdate"), ByteBufferUtil.bytes(1L), System.currentTimeMillis());
        rm.apply();
        store.forceBlockingFlush();

        // check if opening and querying works
        assertIndexQueryWorks(store);
    }
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                firstKey = key;
            if (lastKey == null)
                lastKey = key;
            if (store.metadata.getKeyValidator().compare(lastKey.getKey(), key.getKey()) < 0)
                lastKey = key;
            Mutation rm = new Mutation(ks, key.getKey());
            rm.add(cf, cellname("col"),
                   ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp);
            rm.apply();
        }
        store.forceBlockingFlush();

        SSTableReader sstable = store.getSSTables().iterator().next();
        Descriptor desc = sstable.descriptor;
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    public void testLoadingSummaryUsesCorrectPartitioner() throws Exception
    {
        Keyspace keyspace = Keyspace.open("Keyspace1");
        ColumnFamilyStore store = keyspace.getColumnFamilyStore("Indexed1");
        ByteBuffer key = ByteBufferUtil.bytes(String.valueOf("k1"));
        Mutation rm = new Mutation("Keyspace1", key);
        rm.add("Indexed1", cellname("birthdate"), ByteBufferUtil.bytes(1L), System.currentTimeMillis());
        rm.apply();
        store.forceBlockingFlush();

        ColumnFamilyStore indexCfs = store.indexManager.getIndexForColumn(ByteBufferUtil.bytes("birthdate")).getIndexCfs();
        assert indexCfs.partitioner instanceof LocalPartitioner;
        SSTableReader sstable = indexCfs.getSSTables().iterator().next();
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    public void testGetScannerForNoIntersectingRanges()
    {
        Keyspace keyspace = Keyspace.open("Keyspace1");
        ColumnFamilyStore store = keyspace.getColumnFamilyStore("Standard1");
        ByteBuffer key = ByteBufferUtil.bytes(String.valueOf("k1"));
        Mutation rm = new Mutation("Keyspace1", key);
        rm.add("Standard1", cellname("xyz"), ByteBufferUtil.bytes("abc"), 0);
        rm.apply();
        store.forceBlockingFlush();
        boolean foundScanner = false;
        for (SSTableReader s : store.getSSTables())
        {
            ICompactionScanner scanner = s.getScanner(new Range<Token>(t(0), t(1), s.partitioner), null);
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        // to ensure multiple segments in the index file
        CompactionManager.instance.disableAutoCompaction();
        for (int j = 0; j < 130; j++)
        {
            ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(j));
            Mutation rm = new Mutation("Keyspace1", key);
            rm.add("Standard2", cellname("0"), ByteBufferUtil.EMPTY_BYTE_BUFFER, j);
            rm.apply();
        }
        store.forceBlockingFlush();
        CompactionManager.instance.performMaximal(store);

        // construct a range which is present in the sstable, but whose
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        final int NUM_ROWS = 512;
        for (int j = 0; j < NUM_ROWS; j++)
        {
            ByteBuffer key = ByteBufferUtil.bytes(String.format("%3d", j));
            Mutation rm = new Mutation("Keyspace1", key);
            rm.add("StandardLowIndexInterval", Util.cellname("0"), ByteBufferUtil.bytes(String.format("%3d", j)), j);
            rm.apply();
        }
        store.forceBlockingFlush();
        CompactionManager.instance.performMaximal(store);

        Collection<SSTableReader> sstables = store.getSSTables();
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                Tracing.addColumn(cf, Tracing.buildName(cfMeta, eventId, ByteBufferUtil.bytes("activity")), message);
                Tracing.addColumn(cf, Tracing.buildName(cfMeta, eventId, ByteBufferUtil.bytes("source")), FBUtilities.getBroadcastAddress());
                if (elapsed >= 0)
                    Tracing.addColumn(cf, Tracing.buildName(cfMeta, eventId, ByteBufferUtil.bytes("source_elapsed")), elapsed);
                Tracing.addColumn(cf, Tracing.buildName(cfMeta, eventId, ByteBufferUtil.bytes("thread")), threadName);
                Tracing.mutateWithCatch(new Mutation(Tracing.TRACE_KS, sessionIdBytes, cf));
            }
        });
    }
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     *
     * @return Difference between attributes in form of schema mutation
     */
    public Mutation toSchemaUpdate(CFMetaData newState, long modificationTimestamp, boolean fromThrift)
    {
        Mutation mutation = new Mutation(Keyspace.SYSTEM_KS, SystemKeyspace.getSchemaKSKey(ksName));

        newState.toSchemaNoColumnsNoTriggers(mutation, modificationTimestamp);

        MapDifference<ByteBuffer, ColumnDefinition> columnDiff = Maps.difference(columnMetadata, newState.columnMetadata);

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Related Classes of org.apache.cassandra.db.Mutation

  • org.apache.cassandra.cache.AutoSavingCacheTest
  • org.apache.cassandra.config.CFMetaData
  • org.apache.cassandra.cql.DeleteStatement
  • org.apache.cassandra.db.commitlog.ComitLogStress$CommitlogExecutor
  • org.apache.cassandra.db.compaction.AntiCompactionTest
  • org.apache.cassandra.db.compaction.DateTieredCompactionStrategyTest
  • org.apache.cassandra.db.compaction.LeveledCompactionStrategyTest
  • org.apache.cassandra.db.index.PerRowSecondaryIndexTest
  • org.apache.cassandra.io.sstable.SSTableReaderTest
  • org.apache.cassandra.io.sstable.SSTableRewriterTest
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