Examples with CollectionType org.apache.cassandra.db.marshal.CollectionType used on opensource projects

Example 1 with CollectionType

use of org.apache.cassandra.db.marshal.CollectionType in project cassandra by apache.

the class AlterTableStatement method announceMigration.

public Event.SchemaChange announceMigration(QueryState queryState, boolean isLocalOnly) throws RequestValidationException {
    TableMetadata current = Schema.instance.validateTable(keyspace(), columnFamily());
    if (current.isView())
        throw new InvalidRequestException("Cannot use ALTER TABLE on Materialized View");
    TableMetadata.Builder builder = current.unbuild();
    ColumnIdentifier columnName = null;
    ColumnMetadata def = null;
    CQL3Type.Raw dataType = null;
    boolean isStatic = false;
    CQL3Type validator = null;
    List<ViewMetadata> viewUpdates = new ArrayList<>();
    Iterable<ViewMetadata> views = View.findAll(keyspace(), columnFamily());
    switch(oType) {
        case ALTER:
            throw new InvalidRequestException("Altering of types is not allowed");
        case ADD:
            if (current.isDense())
                throw new InvalidRequestException("Cannot add new column to a COMPACT STORAGE table");
            for (AlterTableStatementColumn colData : colNameList) {
                columnName = colData.getColumnName().getIdentifier(current);
                def = builder.getColumn(columnName);
                dataType = colData.getColumnType();
                assert dataType != null;
                isStatic = colData.getStaticType();
                validator = dataType.prepare(keyspace());
                if (isStatic) {
                    if (!current.isCompound())
                        throw new InvalidRequestException("Static columns are not allowed in COMPACT STORAGE tables");
                    if (current.clusteringColumns().isEmpty())
                        throw new InvalidRequestException("Static columns are only useful (and thus allowed) if the table has at least one clustering column");
                }
                if (def != null) {
                    switch(def.kind) {
                        case PARTITION_KEY:
                        case CLUSTERING:
                            throw new InvalidRequestException(String.format("Invalid column name %s because it conflicts with a PRIMARY KEY part", columnName));
                        default:
                            throw new InvalidRequestException(String.format("Invalid column name %s because it conflicts with an existing column", columnName));
                    }
                }
                // Cannot re-add a dropped counter column. See #7831.
                if (current.isCounter() && current.getDroppedColumn(columnName.bytes) != null)
                    throw new InvalidRequestException(String.format("Cannot re-add previously dropped counter column %s", columnName));
                AbstractType<?> type = validator.getType();
                if (type.isCollection() && type.isMultiCell()) {
                    if (!current.isCompound())
                        throw new InvalidRequestException("Cannot use non-frozen collections in COMPACT STORAGE tables");
                    if (current.isSuper())
                        throw new InvalidRequestException("Cannot use non-frozen collections with super column families");
                    // If there used to be a non-frozen collection column with the same name (that has been dropped),
                    // we could still have some data using the old type, and so we can't allow adding a collection
                    // with the same name unless the types are compatible (see #6276).
                    DroppedColumn dropped = current.droppedColumns.get(columnName.bytes);
                    if (dropped != null && dropped.column.type instanceof CollectionType && dropped.column.type.isMultiCell() && !type.isCompatibleWith(dropped.column.type)) {
                        String message = String.format("Cannot add a collection with the name %s because a collection with the same name" + " and a different type (%s) has already been used in the past", columnName, dropped.column.type.asCQL3Type());
                        throw new InvalidRequestException(message);
                    }
                }
                builder.addColumn(isStatic ? ColumnMetadata.staticColumn(current, columnName.bytes, type) : ColumnMetadata.regularColumn(current, columnName.bytes, type));
                // as well
                if (!isStatic)
                    for (ViewMetadata view : views) if (view.includeAllColumns)
                        viewUpdates.add(view.withAddedRegularColumn(ColumnMetadata.regularColumn(view.metadata, columnName.bytes, type)));
            }
            break;
        case DROP:
            if (!current.isCQLTable())
                throw new InvalidRequestException("Cannot drop columns from a non-CQL3 table");
            for (AlterTableStatementColumn colData : colNameList) {
                columnName = colData.getColumnName().getIdentifier(current);
                def = builder.getColumn(columnName);
                if (def == null)
                    throw new InvalidRequestException(String.format("Column %s was not found in table %s", columnName, columnFamily()));
                switch(def.kind) {
                    case PARTITION_KEY:
                    case CLUSTERING:
                        throw new InvalidRequestException(String.format("Cannot drop PRIMARY KEY part %s", columnName));
                    case REGULAR:
                    case STATIC:
                        builder.removeRegularOrStaticColumn(def.name);
                        builder.recordColumnDrop(def, deleteTimestamp == null ? queryState.getTimestamp() : deleteTimestamp);
                        break;
                }
                // If the dropped column is required by any secondary indexes
                // we reject the operation, as the indexes must be dropped first
                Indexes allIndexes = current.indexes;
                if (!allIndexes.isEmpty()) {
                    ColumnFamilyStore store = Keyspace.openAndGetStore(current);
                    Set<IndexMetadata> dependentIndexes = store.indexManager.getDependentIndexes(def);
                    if (!dependentIndexes.isEmpty()) {
                        throw new InvalidRequestException(String.format("Cannot drop column %s because it has " + "dependent secondary indexes (%s)", def, dependentIndexes.stream().map(i -> i.name).collect(Collectors.joining(","))));
                    }
                }
                // If a column is dropped which is included in a view, we don't allow the drop to take place.
                boolean rejectAlter = false;
                StringBuilder viewNames = new StringBuilder();
                for (ViewMetadata view : views) {
                    if (!view.includes(columnName))
                        continue;
                    if (rejectAlter)
                        viewNames.append(',');
                    rejectAlter = true;
                    viewNames.append(view.name);
                }
                if (rejectAlter)
                    throw new InvalidRequestException(String.format("Cannot drop column %s, depended on by materialized views (%s.{%s})", columnName.toString(), keyspace(), viewNames.toString()));
            }
            break;
        case OPTS:
            if (attrs == null)
                throw new InvalidRequestException("ALTER TABLE WITH invoked, but no parameters found");
            attrs.validate();
            TableParams params = attrs.asAlteredTableParams(current.params);
            if (!Iterables.isEmpty(views) && params.gcGraceSeconds == 0) {
                throw new InvalidRequestException("Cannot alter gc_grace_seconds of the base table of a " + "materialized view to 0, since this value is used to TTL " + "undelivered updates. Setting gc_grace_seconds too low might " + "cause undelivered updates to expire " + "before being replayed.");
            }
            if (current.isCounter() && params.defaultTimeToLive > 0)
                throw new InvalidRequestException("Cannot set default_time_to_live on a table with counters");
            builder.params(params);
            break;
        case RENAME:
            for (Map.Entry<ColumnMetadata.Raw, ColumnMetadata.Raw> entry : renames.entrySet()) {
                ColumnIdentifier from = entry.getKey().getIdentifier(current);
                ColumnIdentifier to = entry.getValue().getIdentifier(current);
                def = current.getColumn(from);
                if (def == null)
                    throw new InvalidRequestException(String.format("Cannot rename unknown column %s in table %s", from, current.name));
                if (current.getColumn(to) != null)
                    throw new InvalidRequestException(String.format("Cannot rename column %s to %s in table %s; another column of that name already exist", from, to, current.name));
                if (!def.isPrimaryKeyColumn())
                    throw new InvalidRequestException(String.format("Cannot rename non PRIMARY KEY part %s", from));
                if (!current.indexes.isEmpty()) {
                    ColumnFamilyStore store = Keyspace.openAndGetStore(current);
                    Set<IndexMetadata> dependentIndexes = store.indexManager.getDependentIndexes(def);
                    if (!dependentIndexes.isEmpty())
                        throw new InvalidRequestException(String.format("Cannot rename column %s because it has " + "dependent secondary indexes (%s)", from, dependentIndexes.stream().map(i -> i.name).collect(Collectors.joining(","))));
                }
                builder.renamePrimaryKeyColumn(from, to);
                // If the view includes a renamed column, it must be renamed in the view table and the definition.
                for (ViewMetadata view : views) {
                    if (!view.includes(from))
                        continue;
                    ColumnIdentifier viewFrom = entry.getKey().getIdentifier(view.metadata);
                    ColumnIdentifier viewTo = entry.getValue().getIdentifier(view.metadata);
                    viewUpdates.add(view.renamePrimaryKeyColumn(viewFrom, viewTo));
                }
            }
            break;
    }
    // FIXME: Should really be a single announce for the table and views.
    MigrationManager.announceTableUpdate(builder.build(), isLocalOnly);
    for (ViewMetadata viewUpdate : viewUpdates) MigrationManager.announceViewUpdate(viewUpdate, isLocalOnly);
    return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.TABLE, keyspace(), columnFamily());
}

Example 2 with CollectionType

use of org.apache.cassandra.db.marshal.CollectionType in project cassandra by apache.

the class CollectionEntryIndex method isStale.

public boolean isStale(Row data, ByteBuffer indexValue, int nowInSec) {
    ByteBuffer[] components = ((CompositeType) functions.getIndexedValueType(indexedColumn)).split(indexValue);
    ByteBuffer mapKey = components[0];
    ByteBuffer mapValue = components[1];
    ColumnMetadata columnDef = indexedColumn;
    Cell cell = data.getCell(columnDef, CellPath.create(mapKey));
    if (cell == null || !cell.isLive(nowInSec))
        return true;
    AbstractType<?> valueComparator = ((CollectionType) columnDef.type).valueComparator();
    return valueComparator.compare(mapValue, cell.value()) != 0;
}

Example 3 with CollectionType

use of org.apache.cassandra.db.marshal.CollectionType in project cassandra by apache.

the class JsonTransformer method serializeCell.

private void serializeCell(Cell cell, LivenessInfo liveInfo) {
    try {
        json.writeStartObject();
        objectIndenter.setCompact(true);
        json.writeFieldName("name");
        AbstractType<?> type = cell.column().type;
        json.writeString(cell.column().name.toCQLString());
        if (cell.path() != null && cell.path().size() > 0) {
            CollectionType ct = (CollectionType) type;
            json.writeFieldName("path");
            arrayIndenter.setCompact(true);
            json.writeStartArray();
            for (int i = 0; i < cell.path().size(); i++) {
                json.writeString(ct.nameComparator().getString(cell.path().get(i)));
            }
            json.writeEndArray();
            arrayIndenter.setCompact(false);
        }
        if (cell.isTombstone()) {
            json.writeFieldName("deletion_info");
            objectIndenter.setCompact(true);
            json.writeStartObject();
            json.writeFieldName("local_delete_time");
            json.writeString(dateString(TimeUnit.SECONDS, cell.localDeletionTime()));
            json.writeEndObject();
            objectIndenter.setCompact(false);
        } else {
            json.writeFieldName("value");
            json.writeString(cell.column().cellValueType().getString(cell.value()));
        }
        if (liveInfo.isEmpty() || cell.timestamp() != liveInfo.timestamp()) {
            json.writeFieldName("tstamp");
            json.writeString(dateString(TimeUnit.MICROSECONDS, cell.timestamp()));
        }
        if (cell.isExpiring() && (liveInfo.isEmpty() || cell.ttl() != liveInfo.ttl())) {
            json.writeFieldName("ttl");
            json.writeNumber(cell.ttl());
            json.writeFieldName("expires_at");
            json.writeString(dateString(TimeUnit.SECONDS, cell.localDeletionTime()));
            json.writeFieldName("expired");
            json.writeBoolean(!cell.isLive((int) (System.currentTimeMillis() / 1000)));
        }
        json.writeEndObject();
        objectIndenter.setCompact(false);
    } catch (IOException e) {
        logger.error("Failure parsing cell.", e);
    }
}

Example 4 with CollectionType

use of org.apache.cassandra.db.marshal.CollectionType in project cassandra by apache.

the class AbstractRow method toString.

public String toString(TableMetadata metadata, boolean includeClusterKeys, boolean fullDetails) {
    StringBuilder sb = new StringBuilder();
    sb.append("Row");
    if (fullDetails) {
        sb.append("[info=").append(primaryKeyLivenessInfo());
        if (!deletion().isLive())
            sb.append(" del=").append(deletion());
        sb.append(" ]");
    }
    sb.append(": ");
    if (includeClusterKeys)
        sb.append(clustering().toString(metadata));
    else
        sb.append(clustering().toCQLString(metadata));
    sb.append(" | ");
    boolean isFirst = true;
    for (ColumnData cd : this) {
        if (isFirst)
            isFirst = false;
        else
            sb.append(", ");
        if (fullDetails) {
            if (cd.column().isSimple()) {
                sb.append(cd);
            } else {
                ComplexColumnData complexData = (ComplexColumnData) cd;
                if (!complexData.complexDeletion().isLive())
                    sb.append("del(").append(cd.column().name).append(")=").append(complexData.complexDeletion());
                for (Cell cell : complexData) sb.append(", ").append(cell);
            }
        } else {
            if (cd.column().isSimple()) {
                Cell cell = (Cell) cd;
                sb.append(cell.column().name).append('=');
                if (cell.isTombstone())
                    sb.append("<tombstone>");
                else
                    sb.append(cell.column().type.getString(cell.value()));
            } else {
                sb.append(cd.column().name).append('=');
                ComplexColumnData complexData = (ComplexColumnData) cd;
                Function<Cell, String> transform = null;
                if (cd.column().type.isCollection()) {
                    CollectionType ct = (CollectionType) cd.column().type;
                    transform = cell -> String.format("%s -> %s", ct.nameComparator().getString(cell.path().get(0)), ct.valueComparator().getString(cell.value()));
                } else if (cd.column().type.isUDT()) {
                    UserType ut = (UserType) cd.column().type;
                    transform = cell -> {
                        Short fId = ut.nameComparator().getSerializer().deserialize(cell.path().get(0));
                        return String.format("%s -> %s", ut.fieldNameAsString(fId), ut.fieldType(fId).getString(cell.value()));
                    };
                } else {
                    transform = cell -> "";
                }
                sb.append(StreamSupport.stream(complexData.spliterator(), false).map(transform).collect(Collectors.joining(", ", "{", "}")));
            }
        }
    }
    return sb.toString();
}