Examples with TableMetadata org.apache.cassandra.schema.TableMetadata used on opensource projects

Example 61 with TableMetadata

use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.

the class TruncateStatement method execute.

public ResultMessage execute(QueryState state, QueryOptions options, long queryStartNanoTime) throws InvalidRequestException, TruncateException {
    try {
        TableMetadata metaData = Schema.instance.getTableMetadata(keyspace(), columnFamily());
        if (metaData.isView())
            throw new InvalidRequestException("Cannot TRUNCATE materialized view directly; must truncate base table instead");
        StorageProxy.truncateBlocking(keyspace(), columnFamily());
    } catch (UnavailableException | TimeoutException e) {
        throw new TruncateException(e);
    }
    return null;
}

Example 62 with TableMetadata

use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.

the class AbstractCommitLogSegmentManager method flushDataFrom.

/**
     * Force a flush on all CFs that are still dirty in @param segments.
     *
     * @return a Future that will finish when all the flushes are complete.
     */
private Future<?> flushDataFrom(List<CommitLogSegment> segments, boolean force) {
    if (segments.isEmpty())
        return Futures.immediateFuture(null);
    final CommitLogPosition maxCommitLogPosition = segments.get(segments.size() - 1).getCurrentCommitLogPosition();
    // a map of CfId -> forceFlush() to ensure we only queue one flush per cf
    final Map<TableId, ListenableFuture<?>> flushes = new LinkedHashMap<>();
    for (CommitLogSegment segment : segments) {
        for (TableId dirtyTableId : segment.getDirtyTableIds()) {
            TableMetadata metadata = Schema.instance.getTableMetadata(dirtyTableId);
            if (metadata == null) {
                // even though we remove the schema entry before a final flush when dropping a CF,
                // it's still possible for a writer to race and finish his append after the flush.
                logger.trace("Marking clean CF {} that doesn't exist anymore", dirtyTableId);
                segment.markClean(dirtyTableId, CommitLogPosition.NONE, segment.getCurrentCommitLogPosition());
            } else if (!flushes.containsKey(dirtyTableId)) {
                final ColumnFamilyStore cfs = Keyspace.open(metadata.keyspace).getColumnFamilyStore(dirtyTableId);
                // can safely call forceFlush here as we will only ever block (briefly) for other attempts to flush,
                // no deadlock possibility since switchLock removal
                flushes.put(dirtyTableId, force ? cfs.forceFlush() : cfs.forceFlush(maxCommitLogPosition));
            }
        }
    }
    return Futures.allAsList(flushes.values());
}

Example 63 with TableMetadata

use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.

the class DeleteStatement method addUpdateForKey.

@Override
public void addUpdateForKey(PartitionUpdate update, Clustering clustering, UpdateParameters params) throws InvalidRequestException {
    TableMetadata metadata = metadata();
    List<Operation> regularDeletions = getRegularOperations();
    List<Operation> staticDeletions = getStaticOperations();
    if (regularDeletions.isEmpty() && staticDeletions.isEmpty()) {
        // We're not deleting any specific columns so it's either a full partition deletion ....
        if (clustering.size() == 0) {
            update.addPartitionDeletion(params.deletionTime());
        } else // ... or a row deletion ...
        if (clustering.size() == metadata.clusteringColumns().size()) {
            params.newRow(clustering);
            params.addRowDeletion();
            update.add(params.buildRow());
        } else // ... or a range of rows deletion.
        {
            update.add(params.makeRangeTombstone(metadata.comparator, clustering));
        }
    } else {
        if (!regularDeletions.isEmpty()) {
            // if the clustering size is zero but there are some clustering columns, it means that it's a
            // range deletion (the full partition) in which case we need to throw an error as range deletion
            // do not support specific columns
            checkFalse(clustering.size() == 0 && metadata.clusteringColumns().size() != 0, "Range deletions are not supported for specific columns");
            params.newRow(clustering);
            for (Operation op : regularDeletions) op.execute(update.partitionKey(), params);
            update.add(params.buildRow());
        }
        if (!staticDeletions.isEmpty()) {
            params.newRow(Clustering.STATIC_CLUSTERING);
            for (Operation op : staticDeletions) op.execute(update.partitionKey(), params);
            update.add(params.buildRow());
        }
    }
}

Example 64 with TableMetadata

use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.

the class DropIndexStatement method announceMigration.

public Event.SchemaChange announceMigration(QueryState queryState, boolean isLocalOnly) throws InvalidRequestException, ConfigurationException {
    TableMetadata current = lookupIndexedTable();
    if (current == null)
        return null;
    TableMetadata updated = current.unbuild().indexes(current.indexes.without(indexName)).build();
    MigrationManager.announceTableUpdate(updated, isLocalOnly);
    // in that method would now throw.
    return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.TABLE, current.keyspace, current.name);
}

Example 65 with TableMetadata

use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.

the class DropTriggerStatement method announceMigration.

public Event.SchemaChange announceMigration(QueryState queryState, boolean isLocalOnly) throws ConfigurationException, InvalidRequestException {
    TableMetadata current = Schema.instance.getTableMetadata(keyspace(), columnFamily());
    Triggers triggers = current.triggers;
    if (!triggers.get(triggerName).isPresent()) {
        if (ifExists)
            return null;
        else
            throw new InvalidRequestException(String.format("Trigger %s was not found", triggerName));
    }
    logger.info("Dropping trigger with name {}", triggerName);
    TableMetadata updated = current.unbuild().triggers(triggers.without(triggerName)).build();
    MigrationManager.announceTableUpdate(updated, isLocalOnly);
    return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.TABLE, keyspace(), columnFamily());
}