Package org.apache.cassandra.config

Examples of org.apache.cassandra.config.CFMetaData

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        // create the index CFS
        IPartitioner rowPartitioner = StorageService.getPartitioner();
        AbstractType columnComparator = (rowPartitioner instanceof OrderPreservingPartitioner || rowPartitioner instanceof ByteOrderedPartitioner)
                                        ? BytesType.instance
                                        : new LocalByPartionerType(StorageService.getPartitioner());
        final CFMetaData indexedCfMetadata = CFMetaData.newIndexMetadata(metadata, info, columnComparator);
        ColumnFamilyStore indexedCfs = ColumnFamilyStore.createColumnFamilyStore(table,
                                                                                 indexedCfMetadata.cfName,
                                                                                 new LocalPartitioner(metadata.getColumn_metadata().get(info.name).getValidator()),
                                                                                 indexedCfMetadata);
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                    if (!file.delete())
                        logger.warn("could not delete " + file.getAbsolutePath());
        }
       
        // also clean out any index leftovers.
        CFMetaData cfm = DatabaseDescriptor.getCFMetaData(table, columnFamily);
        if (cfm != null) // secondary indexes aren't stored in DD.
        {
            for (ColumnDefinition def : cfm.getColumn_metadata().values())
                scrubDataDirectories(table, CFMetaData.indexName(cfm.cfName, def));
        }
    }
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            for (ColumnFamily columnFamily : rowMutation.getColumnFamilies())
            {
                // we can ignore the serialized map in the header (and avoid deserializing it) since we know we are
                // writing the cfs as they exist now.  check for null cfm in case a cl write goes through after the cf is
                // defined but before a new segment is created.
                CFMetaData cfm = DatabaseDescriptor.getCFMetaData(columnFamily.id());
                if (cfm == null)
                {
                    logger.error("Attempted to write commit log entry for unrecognized column family: " + columnFamily.id());
                }
                else
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    }

    private KSMetaData makeNewKeyspaceDefinition(KSMetaData ksm)
    {
        // clone ksm but do not include the new def
        CFMetaData cfm = ksm.cfMetaData().get(cfName);
        List<CFMetaData> newCfs = new ArrayList<CFMetaData>(ksm.cfMetaData().values());
        newCfs.remove(cfm);
        assert newCfs.size() == ksm.cfMetaData().size() - 1;
        return new KSMetaData(ksm.name, ksm.strategyClass, ksm.strategyOptions, ksm.replicationFactor, newCfs.toArray(new CFMetaData[newCfs.size()]));
    }
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    {
        ColumnFamilyStore cfs = Table.open(tableName).getColumnFamilyStore(cfName);

        // reinitialize the table.
        KSMetaData existing = DatabaseDescriptor.getTableDefinition(tableName);
        CFMetaData cfm = existing.cfMetaData().get(cfName);
        KSMetaData ksm = makeNewKeyspaceDefinition(existing);
        CFMetaData.purge(cfm);
        DatabaseDescriptor.setTableDefinition(ksm, newVersion);

        if (!clientMode)
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        rm = Migration.makeDefinitionMutation(newKsm, null, newVersion);
    }
   
    private KSMetaData makeNewKeyspaceDefinition(KSMetaData ksm)
    {
        CFMetaData oldCfm = ksm.cfMetaData().get(oldName);
        List<CFMetaData> newCfs = new ArrayList<CFMetaData>(ksm.cfMetaData().values());
        newCfs.remove(oldCfm);
        assert newCfs.size() == ksm.cfMetaData().size() - 1;
        CFMetaData newCfm = CFMetaData.rename(oldCfm, newName);
        newCfs.add(newCfm);
        return new KSMetaData(ksm.name, ksm.strategyClass, ksm.strategyOptions, ksm.replicationFactor, newCfs.toArray(new CFMetaData[newCfs.size()]));
    }
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        for (int i = 0; i < 5; i++)
        {
            ByteBuffer name = ByteBuffer.wrap(new byte[] { (byte)i });
            indexes.put(name, new ColumnDefinition(name, null, IndexType.KEYS, Integer.toString(i)));
        }
        CFMetaData cfm = new CFMetaData("Keyspace1",
                "TestApplyCFM_CF",
                ColumnFamilyType.Standard,
                BytesType.instance,
                null,
                "No comment",
                1.0,
                1.0,
                0.5,
                100000,
                null,
                500,
                500,
                500,
                500,
                500,
                500,
                500.0,
                indexes);
       
        // we'll be adding this one later. make sure it's not already there.
        assert cfm.getColumn_metadata().get(ByteBuffer.wrap(new byte[] { 5 })) == null;
        org.apache.cassandra.avro.CfDef cfDef = CFMetaData.convertToAvro(cfm);
       
        // add one.
        org.apache.cassandra.avro.ColumnDef addIndexDef = new org.apache.cassandra.avro.ColumnDef();
        addIndexDef.index_name = "5";
        addIndexDef.index_type = org.apache.cassandra.avro.IndexType.KEYS;
        addIndexDef.name = ByteBuffer.wrap(new byte[] { 5 });
        addIndexDef.validation_class = BytesType.class.getName();
        cfDef.column_metadata.add(addIndexDef);
       
        // remove one.
        org.apache.cassandra.avro.ColumnDef removeIndexDef = new org.apache.cassandra.avro.ColumnDef();
        removeIndexDef.index_name = "0";
        removeIndexDef.index_type = org.apache.cassandra.avro.IndexType.KEYS;
        removeIndexDef.name = ByteBuffer.wrap(new byte[] { 0 });
        removeIndexDef.validation_class = BytesType.class.getName();
        assert cfDef.column_metadata.remove(removeIndexDef);
       
        cfm.apply(cfDef);
       
        for (int i = 1; i < indexes.size(); i++)
            assert cfm.getColumn_metadata().get(ByteBuffer.wrap(new byte[] { 1 })) != null;
        assert cfm.getColumn_metadata().get(ByteBuffer.wrap(new byte[] { 0 })) == null;
        assert cfm.getColumn_metadata().get(ByteBuffer.wrap(new byte[] { 5 })) != null;
    }
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    }
   
    @Test
    public void addNewCfToBogusTable() throws InterruptedException
    {
        CFMetaData newCf = addTestCF("MadeUpKeyspace", "NewCF", "new cf");
        try
        {
            new AddColumnFamily(newCf).apply();
            throw new AssertionError("You shouldn't be able to do anything to a keyspace that doesn't exist.");
        }
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        UUID ver0 = UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress());
        DefsTable.dumpToStorage(ver0);
        assert DatabaseDescriptor.getDefsVersion().equals(prior);

        // add a cf.
        CFMetaData newCf1 = addTestCF("Keyspace1", "MigrationCf_1", "Migration CF");

        Migration m1 = new AddColumnFamily(newCf1);
        m1.apply();
        UUID ver1 = m1.getVersion();
        assert DatabaseDescriptor.getDefsVersion().equals(ver1);
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    {
        final String ks = "Keyspace1";
        final String cf = "BrandNewCf";
        KSMetaData original = DatabaseDescriptor.getTableDefinition(ks);

        CFMetaData newCf = addTestCF(original.name, cf, "A New Column Family");

        assert !DatabaseDescriptor.getTableDefinition(ks).cfMetaData().containsKey(newCf.cfName);
        new AddColumnFamily(newCf).apply();

        assert DatabaseDescriptor.getTableDefinition(ks).cfMetaData().containsKey(newCf.cfName);
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  • org.apache.cassandra.cache.CachingOptions
  • org.apache.cassandra.config.DefsTest
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  • org.apache.cassandra.cql.DeleteStatement
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