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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.thrift;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeoutException;
import java.util.zip.DataFormatException;
import java.util.zip.Inflater;
import com.google.common.base.Joiner;
import com.google.common.collect.*;
import com.google.common.primitives.Longs;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.auth.Permission;
import org.apache.cassandra.config.*;
import org.apache.cassandra.cql3.QueryOptions;
import org.apache.cassandra.cql3.SuperColumnCompatibility;
import org.apache.cassandra.cql3.statements.ParsedStatement;
import org.apache.cassandra.db.*;
import org.apache.cassandra.db.context.CounterContext;
import org.apache.cassandra.db.filter.*;
import org.apache.cassandra.db.marshal.AbstractType;
import org.apache.cassandra.db.marshal.TimeUUIDType;
import org.apache.cassandra.db.partitions.*;
import org.apache.cassandra.db.rows.*;
import org.apache.cassandra.db.view.View;
import org.apache.cassandra.dht.*;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.exceptions.*;
import org.apache.cassandra.io.util.DataOutputBuffer;
import org.apache.cassandra.locator.DynamicEndpointSnitch;
import org.apache.cassandra.metrics.ClientMetrics;
import org.apache.cassandra.scheduler.IRequestScheduler;
import org.apache.cassandra.schema.KeyspaceMetadata;
import org.apache.cassandra.serializers.MarshalException;
import org.apache.cassandra.service.*;
import org.apache.cassandra.service.pager.QueryPagers;
import org.apache.cassandra.tracing.Tracing;
import org.apache.cassandra.utils.*;
import org.apache.cassandra.utils.btree.BTreeSet;
import org.apache.thrift.TException;
public class CassandraServer implements Cassandra.Iface
{
private static final Logger logger = LoggerFactory.getLogger(CassandraServer.class);
private final static int COUNT_PAGE_SIZE = 1024;
private final static List EMPTY_COLUMNS = Collections.emptyList();
/*
* RequestScheduler to perform the scheduling of incoming requests
*/
private final IRequestScheduler requestScheduler;
public CassandraServer()
{
requestScheduler = DatabaseDescriptor.getRequestScheduler();
registerMetrics();
}
public ThriftClientState state()
{
return ThriftSessionManager.instance.currentSession();
}
protected PartitionIterator read(List commands, org.apache.cassandra.db.ConsistencyLevel consistency_level, ClientState cState)
throws org.apache.cassandra.exceptions.InvalidRequestException, UnavailableException, TimedOutException
{
try
{
schedule(DatabaseDescriptor.getReadRpcTimeout());
try
{
return StorageProxy.read(new SinglePartitionReadCommand.Group(commands, DataLimits.NONE), consistency_level, cState);
}
finally
{
release();
}
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
}
public List thriftifyColumns(CFMetaData metadata, Iterator cells)
{
ArrayList thriftColumns = new ArrayList<>();
while (cells.hasNext())
{
LegacyLayout.LegacyCell cell = cells.next();
thriftColumns.add(thriftifyColumnWithName(metadata, cell, cell.name.encode(metadata)));
}
return thriftColumns;
}
private ColumnOrSuperColumn thriftifyColumnWithName(CFMetaData metadata, LegacyLayout.LegacyCell cell, ByteBuffer newName)
{
if (cell.isCounter())
return new ColumnOrSuperColumn().setCounter_column(thriftifySubCounter(metadata, cell).setName(newName));
else
return new ColumnOrSuperColumn().setColumn(thriftifySubColumn(cell, newName));
}
private Column thriftifySubColumn(CFMetaData metadata, LegacyLayout.LegacyCell cell)
{
return thriftifySubColumn(cell, cell.name.encode(metadata));
}
private Column thriftifySubColumn(LegacyLayout.LegacyCell cell, ByteBuffer name)
{
assert !cell.isCounter();
Column thrift_column = new Column(name).setValue(cell.value).setTimestamp(cell.timestamp);
if (cell.isExpiring())
thrift_column.setTtl(cell.ttl);
return thrift_column;
}
private List thriftifyColumnsAsColumns(CFMetaData metadata, Iterator cells)
{
List thriftColumns = new ArrayList<>();
while (cells.hasNext())
thriftColumns.add(thriftifySubColumn(metadata, cells.next()));
return thriftColumns;
}
private CounterColumn thriftifySubCounter(CFMetaData metadata, LegacyLayout.LegacyCell cell)
{
assert cell.isCounter();
return new CounterColumn(cell.name.encode(metadata), CounterContext.instance().total(cell.value));
}
private List thriftifySuperColumns(CFMetaData metadata,
Iterator cells,
boolean subcolumnsOnly,
boolean isCounterCF,
boolean reversed)
{
if (subcolumnsOnly)
{
ArrayList thriftSuperColumns = new ArrayList<>();
while (cells.hasNext())
{
LegacyLayout.LegacyCell cell = cells.next();
thriftSuperColumns.add(thriftifyColumnWithName(metadata, cell, cell.name.superColumnSubName()));
}
// Generally, cells come reversed if the query is reverse. However, this is not the case within a super column because
// internally a super column is a map within a row and those are never returned reversed.
if (reversed)
Collections.reverse(thriftSuperColumns);
return thriftSuperColumns;
}
else
{
if (isCounterCF)
return thriftifyCounterSuperColumns(metadata, cells, reversed);
else
return thriftifySuperColumns(cells, reversed);
}
}
private List thriftifySuperColumns(Iterator cells, boolean reversed)
{
ArrayList thriftSuperColumns = new ArrayList<>();
SuperColumn current = null;
while (cells.hasNext())
{
LegacyLayout.LegacyCell cell = cells.next();
ByteBuffer scName = cell.name.superColumnName();
if (current == null || !scName.equals(current.bufferForName()))
{
// Generally, cells come reversed if the query is reverse. However, this is not the case within a super column because
// internally a super column is a map within a row and those are never returned reversed.
if (current != null && reversed)
Collections.reverse(current.columns);
current = new SuperColumn(scName, new ArrayList<>());
thriftSuperColumns.add(new ColumnOrSuperColumn().setSuper_column(current));
}
current.getColumns().add(thriftifySubColumn(cell, cell.name.superColumnSubName()));
}
if (current != null && reversed)
Collections.reverse(current.columns);
return thriftSuperColumns;
}
private List thriftifyCounterSuperColumns(CFMetaData metadata, Iterator cells, boolean reversed)
{
ArrayList thriftSuperColumns = new ArrayList<>();
CounterSuperColumn current = null;
while (cells.hasNext())
{
LegacyLayout.LegacyCell cell = cells.next();
ByteBuffer scName = cell.name.superColumnName();
if (current == null || !scName.equals(current.bufferForName()))
{
// Generally, cells come reversed if the query is reverse. However, this is not the case within a super column because
// internally a super column is a map within a row and those are never returned reversed.
if (current != null && reversed)
Collections.reverse(current.columns);
current = new CounterSuperColumn(scName, new ArrayList<>());
thriftSuperColumns.add(new ColumnOrSuperColumn().setCounter_super_column(current));
}
current.getColumns().add(thriftifySubCounter(metadata, cell).setName(cell.name.superColumnSubName()));
}
return thriftSuperColumns;
}
private List thriftifyPartition(RowIterator partition, boolean subcolumnsOnly, boolean reversed, int cellLimit)
{
if (partition.isEmpty())
return EMPTY_COLUMNS;
Iterator cells = LegacyLayout.fromRowIterator(partition).right;
List result;
if (partition.metadata().isSuper())
{
boolean isCounterCF = partition.metadata().isCounter();
result = thriftifySuperColumns(partition.metadata(), cells, subcolumnsOnly, isCounterCF, reversed);
}
else
{
result = thriftifyColumns(partition.metadata(), cells);
}
// Thrift count cells, but internally we only count them at "row" boundaries, which means that if the limit stops in the middle
// of an internal row we'll include a few additional cells. So trim it here.
return result.size() > cellLimit
? result.subList(0, cellLimit)
: result;
}
private Map> getSlice(List commands, boolean subColumnsOnly, int cellLimit, org.apache.cassandra.db.ConsistencyLevel consistency_level, ClientState cState)
throws org.apache.cassandra.exceptions.InvalidRequestException, UnavailableException, TimedOutException
{
try (PartitionIterator results = read(commands, consistency_level, cState))
{
Map> columnFamiliesMap = new HashMap<>();
while (results.hasNext())
{
try (RowIterator iter = results.next())
{
List thriftifiedColumns = thriftifyPartition(iter, subColumnsOnly, iter.isReverseOrder(), cellLimit);
columnFamiliesMap.put(iter.partitionKey().getKey(), thriftifiedColumns);
}
}
return columnFamiliesMap;
}
}
public List get_slice(ByteBuffer key, ColumnParent column_parent, SlicePredicate predicate, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_parent", column_parent.toString(),
"predicate", predicate.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get_slice", traceParameters);
}
else
{
logger.trace("get_slice");
}
try
{
ClientState cState = state();
String keyspace = cState.getKeyspace();
state().hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
List result = getSliceInternal(keyspace, key, column_parent, FBUtilities.nowInSeconds(), predicate, consistency_level, cState);
return result == null ? Collections.emptyList() : result;
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private List getSliceInternal(String keyspace,
ByteBuffer key,
ColumnParent column_parent,
int nowInSec,
SlicePredicate predicate,
ConsistencyLevel consistency_level,
ClientState cState)
throws org.apache.cassandra.exceptions.InvalidRequestException, UnavailableException, TimedOutException
{
return multigetSliceInternal(keyspace, Collections.singletonList(key), column_parent, nowInSec, predicate, consistency_level, cState).get(key);
}
public Map> multiget_slice(List keys, ColumnParent column_parent, SlicePredicate predicate, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
List keysList = Lists.newArrayList();
for (ByteBuffer key : keys)
keysList.add(ByteBufferUtil.bytesToHex(key));
Map traceParameters = ImmutableMap.of("keys", keysList.toString(),
"column_parent", column_parent.toString(),
"predicate", predicate.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("multiget_slice", traceParameters);
}
else
{
logger.trace("multiget_slice");
}
try
{
ClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
return multigetSliceInternal(keyspace, keys, column_parent, FBUtilities.nowInSeconds(), predicate, consistency_level, cState);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private ClusteringIndexFilter toInternalFilter(CFMetaData metadata, ColumnParent parent, SliceRange range)
{
if (metadata.isSuper() && parent.isSetSuper_column())
return new ClusteringIndexNamesFilter(FBUtilities.singleton(new Clustering(parent.bufferForSuper_column()), metadata.comparator), range.reversed);
else
return new ClusteringIndexSliceFilter(makeSlices(metadata, range), range.reversed);
}
private Slices makeSlices(CFMetaData metadata, SliceRange range)
{
// Note that in thrift, the bounds are reversed if the query is reversed, but not internally.
ByteBuffer start = range.reversed ? range.finish : range.start;
ByteBuffer finish = range.reversed ? range.start : range.finish;
return Slices.with(metadata.comparator, Slice.make(LegacyLayout.decodeSliceBound(metadata, start, true).bound, LegacyLayout.decodeSliceBound(metadata, finish, false).bound));
}
private ClusteringIndexFilter toInternalFilter(CFMetaData metadata, ColumnParent parent, SlicePredicate predicate)
throws org.apache.cassandra.exceptions.InvalidRequestException
{
try
{
if (predicate.column_names != null)
{
if (metadata.isSuper())
{
if (parent.isSetSuper_column())
{
return new ClusteringIndexNamesFilter(FBUtilities.singleton(new Clustering(parent.bufferForSuper_column()), metadata.comparator), false);
}
else
{
NavigableSet clusterings = new TreeSet<>(metadata.comparator);
for (ByteBuffer bb : predicate.column_names)
clusterings.add(new Clustering(bb));
return new ClusteringIndexNamesFilter(clusterings, false);
}
}
else
{
NavigableSet clusterings = new TreeSet<>(metadata.comparator);
for (ByteBuffer bb : predicate.column_names)
{
LegacyLayout.LegacyCellName name = LegacyLayout.decodeCellName(metadata, parent.bufferForSuper_column(), bb);
if (!name.clustering.equals(Clustering.STATIC_CLUSTERING))
clusterings.add(name.clustering);
}
// clusterings cannot include STATIC_CLUSTERING, so if the names filter is for static columns, clusterings
// will be empty. However, by requesting the static columns in our ColumnFilter, this will still work.
return new ClusteringIndexNamesFilter(clusterings, false);
}
}
else
{
return toInternalFilter(metadata, parent, predicate.slice_range);
}
}
catch (UnknownColumnException e)
{
throw new org.apache.cassandra.exceptions.InvalidRequestException(e.getMessage());
}
}
private ColumnFilter makeColumnFilter(CFMetaData metadata, ColumnParent parent, SliceRange range)
{
if (metadata.isSuper() && parent.isSetSuper_column())
{
// We want a slice of the dynamic columns
ColumnFilter.Builder builder = ColumnFilter.selectionBuilder();
ColumnDefinition def = metadata.compactValueColumn();
ByteBuffer start = range.reversed ? range.finish : range.start;
ByteBuffer finish = range.reversed ? range.start : range.finish;
builder.slice(def, start.hasRemaining() ? CellPath.create(start) : CellPath.BOTTOM, finish.hasRemaining() ? CellPath.create(finish) : CellPath.TOP);
if (metadata.isDense())
return builder.build();
// We also want to add any staticly defined column if it's within the range
AbstractType cmp = metadata.thriftColumnNameType();
for (ColumnDefinition column : metadata.partitionColumns())
{
if (SuperColumnCompatibility.isSuperColumnMapColumn(column))
continue;
ByteBuffer name = column.name.bytes;
if (cmp.compare(name, start) < 0 || cmp.compare(finish, name) > 0)
continue;
builder.add(column);
}
return builder.build();
}
return makeColumnFilter(metadata, makeSlices(metadata, range));
}
private ColumnFilter makeColumnFilter(CFMetaData metadata, Slices slices)
{
PartitionColumns columns = metadata.partitionColumns();
if (metadata.isStaticCompactTable() && !columns.statics.isEmpty())
{
PartitionColumns.Builder builder = PartitionColumns.builder();
builder.addAll(columns.regulars);
// We only want to include the static columns that are selected by the slices
for (ColumnDefinition def : columns.statics)
{
if (slices.selects(new Clustering(def.name.bytes)))
builder.add(def);
}
columns = builder.build();
}
return ColumnFilter.selection(columns);
}
private ColumnFilter makeColumnFilter(CFMetaData metadata, ColumnParent parent, SlicePredicate predicate)
throws org.apache.cassandra.exceptions.InvalidRequestException
{
try
{
if (predicate.column_names != null)
{
if (metadata.isSuper())
{
if (parent.isSetSuper_column())
{
ColumnFilter.Builder builder = ColumnFilter.selectionBuilder();
ColumnDefinition dynamicDef = metadata.compactValueColumn();
for (ByteBuffer bb : predicate.column_names)
{
ColumnDefinition staticDef = metadata.getColumnDefinition(bb);
if (staticDef == null)
builder.select(dynamicDef, CellPath.create(bb));
else
builder.add(staticDef);
}
return builder.build();
}
else
{
return ColumnFilter.all(metadata);
}
}
else
{
PartitionColumns.Builder builder = PartitionColumns.builder();
for (ByteBuffer bb : predicate.column_names)
{
LegacyLayout.LegacyCellName name = LegacyLayout.decodeCellName(metadata, parent.bufferForSuper_column(), bb);
builder.add(name.column);
}
if (metadata.isStaticCompactTable())
builder.add(metadata.compactValueColumn());
return ColumnFilter.selection(builder.build());
}
}
else
{
return makeColumnFilter(metadata, parent, predicate.slice_range);
}
}
catch (UnknownColumnException e)
{
throw new org.apache.cassandra.exceptions.InvalidRequestException(e.getMessage());
}
}
private DataLimits getLimits(int partitionLimit, boolean countSuperColumns, SlicePredicate predicate)
{
int cellsPerPartition = predicate.slice_range == null ? Integer.MAX_VALUE : predicate.slice_range.count;
return getLimits(partitionLimit, countSuperColumns, cellsPerPartition);
}
private DataLimits getLimits(int partitionLimit, boolean countSuperColumns, int perPartitionCount)
{
return countSuperColumns
? DataLimits.superColumnCountingLimits(partitionLimit, perPartitionCount)
: DataLimits.thriftLimits(partitionLimit, perPartitionCount);
}
private Map> multigetSliceInternal(String keyspace,
List keys,
ColumnParent column_parent,
int nowInSec,
SlicePredicate predicate,
ConsistencyLevel consistency_level,
ClientState cState)
throws org.apache.cassandra.exceptions.InvalidRequestException, UnavailableException, TimedOutException
{
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_parent.column_family);
ThriftValidation.validateColumnParent(metadata, column_parent);
ThriftValidation.validatePredicate(metadata, column_parent, predicate);
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForRead(keyspace);
List commands = new ArrayList<>(keys.size());
ColumnFilter columnFilter = makeColumnFilter(metadata, column_parent, predicate);
ClusteringIndexFilter filter = toInternalFilter(metadata, column_parent, predicate);
DataLimits limits = getLimits(1, metadata.isSuper() && !column_parent.isSetSuper_column(), predicate);
for (ByteBuffer key: keys)
{
ThriftValidation.validateKey(metadata, key);
DecoratedKey dk = metadata.decorateKey(key);
commands.add(SinglePartitionReadCommand.create(true, metadata, nowInSec, columnFilter, RowFilter.NONE, limits, dk, filter));
}
return getSlice(commands, column_parent.isSetSuper_column(), limits.perPartitionCount(), consistencyLevel, cState);
}
public ColumnOrSuperColumn get(ByteBuffer key, ColumnPath column_path, ConsistencyLevel consistency_level)
throws InvalidRequestException, NotFoundException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_path", column_path.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get", traceParameters);
}
else
{
logger.trace("get");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_path.column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_path.column_family);
ThriftValidation.validateColumnPath(metadata, column_path);
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForRead(keyspace);
ThriftValidation.validateKey(metadata, key);
ColumnFilter columns;
ClusteringIndexFilter filter;
if (metadata.isSuper())
{
if (column_path.column == null)
{
// Selects a full super column
columns = ColumnFilter.all(metadata);
}
else
{
// Selects a single column within a super column
ColumnFilter.Builder builder = ColumnFilter.selectionBuilder();
ColumnDefinition staticDef = metadata.getColumnDefinition(column_path.column);
ColumnDefinition dynamicDef = metadata.compactValueColumn();
if (staticDef != null)
builder.add(staticDef);
// Note that even if there is a staticDef, we still query the dynamicDef since we can't guarantee the static one hasn't
// been created after data has been inserted for that definition
builder.select(dynamicDef, CellPath.create(column_path.column));
columns = builder.build();
}
filter = new ClusteringIndexNamesFilter(FBUtilities.singleton(new Clustering(column_path.super_column), metadata.comparator),
false);
}
else
{
LegacyLayout.LegacyCellName cellname = LegacyLayout.decodeCellName(metadata, column_path.super_column, column_path.column);
if (cellname.clustering == Clustering.STATIC_CLUSTERING)
{
// Same as above: even if we're querying a static column, we still query the equivalent dynamic column and value as some
// values might have been created post creation of the column (ThriftResultMerger then ensures we get only one result).
ColumnFilter.Builder builder = ColumnFilter.selectionBuilder();
builder.add(cellname.column);
builder.add(metadata.compactValueColumn());
columns = builder.build();
filter = new ClusteringIndexNamesFilter(FBUtilities.singleton(new Clustering(column_path.column), metadata.comparator), false);
}
else
{
columns = ColumnFilter.selection(PartitionColumns.of(cellname.column));
filter = new ClusteringIndexNamesFilter(FBUtilities.singleton(cellname.clustering, metadata.comparator), false);
}
}
DecoratedKey dk = metadata.decorateKey(key);
SinglePartitionReadCommand command = SinglePartitionReadCommand.create(true, metadata, FBUtilities.nowInSeconds(), columns, RowFilter.NONE, DataLimits.NONE, dk, filter);
try (RowIterator result = PartitionIterators.getOnlyElement(read(Arrays.asList(command), consistencyLevel, cState), command))
{
if (!result.hasNext())
throw new NotFoundException();
List tcolumns = thriftifyPartition(result, metadata.isSuper() && column_path.column != null, result.isReverseOrder(), 1);
if (tcolumns.isEmpty())
throw new NotFoundException();
assert tcolumns.size() == 1;
return tcolumns.get(0);
}
}
catch (UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public int get_count(ByteBuffer key, ColumnParent column_parent, SlicePredicate predicate, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_parent", column_parent.toString(),
"predicate", predicate.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get_count", traceParameters);
}
else
{
logger.trace("get_count");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
Keyspace keyspaceName = Keyspace.open(keyspace);
ColumnFamilyStore cfs = keyspaceName.getColumnFamilyStore(column_parent.column_family);
int nowInSec = FBUtilities.nowInSeconds();
if (predicate.column_names != null)
return getSliceInternal(keyspace, key, column_parent, nowInSec, predicate, consistency_level, cState).size();
int pageSize;
// request by page if this is a large row
if (cfs.getMeanColumns() > 0)
{
int averageColumnSize = (int) (cfs.metric.meanPartitionSize.getValue() / cfs.getMeanColumns());
pageSize = Math.min(COUNT_PAGE_SIZE, 4 * 1024 * 1024 / averageColumnSize);
pageSize = Math.max(2, pageSize);
logger.trace("average row column size is {}; using pageSize of {}", averageColumnSize, pageSize);
}
else
{
pageSize = COUNT_PAGE_SIZE;
}
SliceRange sliceRange = predicate.slice_range == null
? new SliceRange(ByteBufferUtil.EMPTY_BYTE_BUFFER, ByteBufferUtil.EMPTY_BYTE_BUFFER, false, Integer.MAX_VALUE)
: predicate.slice_range;
ColumnFilter columnFilter;
ClusteringIndexFilter filter;
CFMetaData metadata = cfs.metadata;
if (metadata.isSuper() && !column_parent.isSetSuper_column())
{
// If we count on a super column table without having set the super column name, we're in fact interested by the count of super columns
columnFilter = ColumnFilter.all(metadata);
filter = new ClusteringIndexSliceFilter(makeSlices(metadata, sliceRange), sliceRange.reversed);
}
else
{
columnFilter = makeColumnFilter(metadata, column_parent, sliceRange);
filter = toInternalFilter(metadata, column_parent, sliceRange);
}
DataLimits limits = getLimits(1, metadata.isSuper() && !column_parent.isSetSuper_column(), predicate);
DecoratedKey dk = metadata.decorateKey(key);
return QueryPagers.countPaged(metadata,
dk,
columnFilter,
filter,
limits,
ThriftConversion.fromThrift(consistency_level),
cState,
pageSize,
nowInSec,
true);
}
catch (IllegalArgumentException e)
{
// CASSANDRA-5701
throw new InvalidRequestException(e.getMessage());
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public Map multiget_count(List keys, ColumnParent column_parent, SlicePredicate predicate, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
List keysList = Lists.newArrayList();
for (ByteBuffer key : keys)
{
keysList.add(ByteBufferUtil.bytesToHex(key));
}
Map traceParameters = ImmutableMap.of("keys", keysList.toString(),
"column_parent", column_parent.toString(),
"predicate", predicate.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("multiget_count", traceParameters);
}
else
{
logger.trace("multiget_count");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
Map counts = new HashMap<>();
Map> columnFamiliesMap = multigetSliceInternal(keyspace,
keys,
column_parent,
FBUtilities.nowInSeconds(),
predicate,
consistency_level,
cState);
for (Map.Entry> cf : columnFamiliesMap.entrySet())
counts.put(cf.getKey(), cf.getValue().size());
return counts;
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private Cell cellFromColumn(CFMetaData metadata, LegacyLayout.LegacyCellName name, Column column)
{
CellPath path = name.collectionElement == null ? null : CellPath.create(name.collectionElement);
return column.ttl == 0
? BufferCell.live(metadata, name.column, column.timestamp, column.value, path)
: BufferCell.expiring(name.column, column.timestamp, column.ttl, FBUtilities.nowInSeconds(), column.value, path);
}
private void internal_insert(ByteBuffer key, ColumnParent column_parent, Column column, ConsistencyLevel consistency_level)
throws RequestValidationException, UnavailableException, TimedOutException
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.MODIFY);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_parent.column_family, false);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot modify Materialized Views directly");
ThriftValidation.validateKey(metadata, key);
ThriftValidation.validateColumnParent(metadata, column_parent);
// SuperColumn field is usually optional, but not when we're inserting
if (metadata.isSuper() && column_parent.super_column == null)
{
throw new org.apache.cassandra.exceptions.InvalidRequestException("missing mandatory super column name for super CF " + column_parent.column_family);
}
ThriftValidation.validateColumnNames(metadata, column_parent, Collections.singletonList(column.name));
ThriftValidation.validateColumnData(metadata, column_parent.super_column, column);
org.apache.cassandra.db.Mutation mutation;
try
{
LegacyLayout.LegacyCellName name = LegacyLayout.decodeCellName(metadata, column_parent.super_column, column.name);
Cell cell = cellFromColumn(metadata, name, column);
PartitionUpdate update = PartitionUpdate.singleRowUpdate(metadata, key, BTreeRow.singleCellRow(name.clustering, cell));
// Indexed column values cannot be larger than 64K. See CASSANDRA-3057/4240 for more details
Keyspace.open(metadata.ksName).getColumnFamilyStore(metadata.cfName).indexManager.validate(update);
mutation = new org.apache.cassandra.db.Mutation(update);
}
catch (MarshalException|UnknownColumnException e)
{
throw new org.apache.cassandra.exceptions.InvalidRequestException(e.getMessage());
}
doInsert(consistency_level, Collections.singletonList(mutation));
}
public void insert(ByteBuffer key, ColumnParent column_parent, Column column, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_parent", column_parent.toString(),
"column", column.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("insert", traceParameters);
}
else
{
logger.trace("insert");
}
try
{
internal_insert(key, column_parent, column, consistency_level);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public CASResult cas(ByteBuffer key,
String column_family,
List expected,
List updates,
ConsistencyLevel serial_consistency_level,
ConsistencyLevel commit_consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
ImmutableMap.Builder builder = ImmutableMap.builder();
builder.put("key", ByteBufferUtil.bytesToHex(key));
builder.put("column_family", column_family);
builder.put("old", expected.toString());
builder.put("updates", updates.toString());
builder.put("consistency_level", commit_consistency_level.name());
builder.put("serial_consistency_level", serial_consistency_level.name());
Map traceParameters = builder.build();
Tracing.instance.begin("cas", traceParameters);
}
else
{
logger.trace("cas");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_family, Permission.MODIFY);
// CAS updates can be used to simulate a get request, so should require Permission.SELECT.
cState.hasColumnFamilyAccess(keyspace, column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_family, false);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot modify Materialized Views directly");
ThriftValidation.validateKey(metadata, key);
if (metadata.isSuper())
throw new org.apache.cassandra.exceptions.InvalidRequestException("CAS does not support supercolumns");
Iterable names = Iterables.transform(updates, column -> column.name);
ThriftValidation.validateColumnNames(metadata, new ColumnParent(column_family), names);
for (Column column : updates)
ThriftValidation.validateColumnData(metadata, null, column);
DecoratedKey dk = metadata.decorateKey(key);
int nowInSec = FBUtilities.nowInSeconds();
PartitionUpdate partitionUpdates = PartitionUpdate.fromIterator(LegacyLayout.toRowIterator(metadata, dk, toLegacyCells(metadata, updates, nowInSec).iterator(), nowInSec));
// Indexed column values cannot be larger than 64K. See CASSANDRA-3057/4240 for more details
Keyspace.open(metadata.ksName).getColumnFamilyStore(metadata.cfName).indexManager.validate(partitionUpdates);
schedule(DatabaseDescriptor.getWriteRpcTimeout());
try (RowIterator result = StorageProxy.cas(cState.getKeyspace(),
column_family,
dk,
new ThriftCASRequest(toLegacyCells(metadata, expected, nowInSec), partitionUpdates, nowInSec),
ThriftConversion.fromThrift(serial_consistency_level),
ThriftConversion.fromThrift(commit_consistency_level),
cState))
{
return result == null
? new CASResult(true)
: new CASResult(false).setCurrent_values(thriftifyColumnsAsColumns(metadata, LegacyLayout.fromRowIterator(result).right));
}
}
catch (UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
catch (RequestTimeoutException e)
{
throw ThriftConversion.toThrift(e);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private LegacyLayout.LegacyCell toLegacyCell(CFMetaData metadata, Column column, int nowInSec) throws UnknownColumnException
{
return toLegacyCell(metadata, null, column, nowInSec);
}
private LegacyLayout.LegacyCell toLegacyCell(CFMetaData metadata, ByteBuffer superColumnName, Column column, int nowInSec)
throws UnknownColumnException
{
return column.ttl > 0
? LegacyLayout.LegacyCell.expiring(metadata, superColumnName, column.name, column.value, column.timestamp, column.ttl, nowInSec)
: LegacyLayout.LegacyCell.regular(metadata, superColumnName, column.name, column.value, column.timestamp);
}
private LegacyLayout.LegacyCell toLegacyDeletion(CFMetaData metadata, ByteBuffer name, long timestamp, int nowInSec)
throws UnknownColumnException
{
return toLegacyDeletion(metadata, null, name, timestamp, nowInSec);
}
private LegacyLayout.LegacyCell toLegacyDeletion(CFMetaData metadata, ByteBuffer superColumnName, ByteBuffer name, long timestamp, int nowInSec)
throws UnknownColumnException
{
return LegacyLayout.LegacyCell.tombstone(metadata, superColumnName, name, timestamp, nowInSec);
}
private LegacyLayout.LegacyCell toCounterLegacyCell(CFMetaData metadata, CounterColumn column)
throws UnknownColumnException
{
return toCounterLegacyCell(metadata, null, column);
}
private LegacyLayout.LegacyCell toCounterLegacyCell(CFMetaData metadata, ByteBuffer superColumnName, CounterColumn column)
throws UnknownColumnException
{
return LegacyLayout.LegacyCell.counterUpdate(metadata, superColumnName, column.name, column.value);
}
private void sortAndMerge(CFMetaData metadata, List cells, int nowInSec)
{
Collections.sort(cells, LegacyLayout.legacyCellComparator(metadata));
// After sorting, if we have multiple cells for the same "cellname", we want to merge those together.
Comparator comparator = LegacyLayout.legacyCellNameComparator(metadata, false);
int previous = 0; // The last element that was set
for (int current = 1; current < cells.size(); current++)
{
LegacyLayout.LegacyCell pc = cells.get(previous);
LegacyLayout.LegacyCell cc = cells.get(current);
// There is really only 2 possible comparison: < 0 or == 0 since we've sorted already
int cmp = comparator.compare(pc.name, cc.name);
if (cmp == 0)
{
// current and previous are the same cell. Merge current into previous
// (and so previous + 1 will be "free").
Conflicts.Resolution res;
if (metadata.isCounter())
{
res = Conflicts.resolveCounter(pc.timestamp, pc.isLive(nowInSec), pc.value,
cc.timestamp, cc.isLive(nowInSec), cc.value);
}
else
{
res = Conflicts.resolveRegular(pc.timestamp, pc.isLive(nowInSec), pc.localDeletionTime, pc.value,
cc.timestamp, cc.isLive(nowInSec), cc.localDeletionTime, cc.value);
}
switch (res)
{
case LEFT_WINS:
// The previous cell wins, we'll just ignore current
break;
case RIGHT_WINS:
cells.set(previous, cc);
break;
case MERGE:
assert metadata.isCounter();
ByteBuffer merged = Conflicts.mergeCounterValues(pc.value, cc.value);
cells.set(previous, LegacyLayout.LegacyCell.counter(pc.name, merged));
break;
}
}
else
{
// cell.get(previous) < cells.get(current), so move current just after previous if needs be
++previous;
if (previous != current)
cells.set(previous, cc);
}
}
// The last element we want is previous, so trim anything after that
for (int i = cells.size() - 1; i > previous; i--)
cells.remove(i);
}
private List toLegacyCells(CFMetaData metadata, List columns, int nowInSec)
throws UnknownColumnException
{
List cells = new ArrayList<>(columns.size());
for (Column column : columns)
cells.add(toLegacyCell(metadata, column, nowInSec));
sortAndMerge(metadata, cells, nowInSec);
return cells;
}
private List createMutationList(ConsistencyLevel consistency_level,
Map>> mutation_map,
boolean allowCounterMutations)
throws RequestValidationException, InvalidRequestException
{
List mutations = new ArrayList<>();
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
int nowInSec = FBUtilities.nowInSeconds();
for (Map.Entry>> mutationEntry: mutation_map.entrySet())
{
ByteBuffer key = mutationEntry.getKey();
// We need to separate mutation for standard cf and counter cf (that will be encapsulated in a
// CounterMutation) because it doesn't follow the same code path
org.apache.cassandra.db.Mutation standardMutation = null;
org.apache.cassandra.db.Mutation counterMutation = null;
Map> columnFamilyToMutations = mutationEntry.getValue();
for (Map.Entry> columnFamilyMutations : columnFamilyToMutations.entrySet())
{
String cfName = columnFamilyMutations.getKey();
List muts = columnFamilyMutations.getValue();
cState.hasColumnFamilyAccess(keyspace, cfName, Permission.MODIFY);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, cfName);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot modify Materialized Views directly");
ThriftValidation.validateKey(metadata, key);
if (metadata.isCounter())
ThriftConversion.fromThrift(consistency_level).validateCounterForWrite(metadata);
LegacyLayout.LegacyDeletionInfo delInfo = LegacyLayout.LegacyDeletionInfo.live();
List cells = new ArrayList<>();
for (Mutation m : muts)
{
ThriftValidation.validateMutation(metadata, m);
if (m.deletion != null)
{
deleteColumnOrSuperColumn(delInfo, cells, metadata, m.deletion, nowInSec);
}
if (m.column_or_supercolumn != null)
{
addColumnOrSuperColumn(cells, metadata, m.column_or_supercolumn, nowInSec);
}
}
sortAndMerge(metadata, cells, nowInSec);
DecoratedKey dk = metadata.decorateKey(key);
PartitionUpdate update = PartitionUpdate.fromIterator(LegacyLayout.toUnfilteredRowIterator(metadata, dk, delInfo, cells.iterator()));
// Indexed column values cannot be larger than 64K. See CASSANDRA-3057/4240 for more details
Keyspace.open(metadata.ksName).getColumnFamilyStore(metadata.cfName).indexManager.validate(update);
org.apache.cassandra.db.Mutation mutation;
if (metadata.isCounter())
{
counterMutation = counterMutation == null ? new org.apache.cassandra.db.Mutation(keyspace, dk) : counterMutation;
mutation = counterMutation;
}
else
{
standardMutation = standardMutation == null ? new org.apache.cassandra.db.Mutation(keyspace, dk) : standardMutation;
mutation = standardMutation;
}
mutation.add(update);
}
if (standardMutation != null && !standardMutation.isEmpty())
mutations.add(standardMutation);
if (counterMutation != null && !counterMutation.isEmpty())
{
if (allowCounterMutations)
mutations.add(new CounterMutation(counterMutation, ThriftConversion.fromThrift(consistency_level)));
else
throw new org.apache.cassandra.exceptions.InvalidRequestException("Counter mutations are not allowed in atomic batches");
}
}
return mutations;
}
private void addColumnOrSuperColumn(List cells, CFMetaData cfm, ColumnOrSuperColumn cosc, int nowInSec)
throws InvalidRequestException
{
try
{
if (cosc.super_column != null)
{
for (Column column : cosc.super_column.columns)
cells.add(toLegacyCell(cfm, cosc.super_column.name, column, nowInSec));
}
else if (cosc.column != null)
{
cells.add(toLegacyCell(cfm, cosc.column, nowInSec));
}
else if (cosc.counter_super_column != null)
{
for (CounterColumn column : cosc.counter_super_column.columns)
cells.add(toCounterLegacyCell(cfm, cosc.counter_super_column.name, column));
}
else // cosc.counter_column != null
{
cells.add(toCounterLegacyCell(cfm, cosc.counter_column));
}
}
catch (UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
}
private void addRange(CFMetaData cfm, LegacyLayout.LegacyDeletionInfo delInfo, Slice.Bound start, Slice.Bound end, long timestamp, int nowInSec)
{
delInfo.add(cfm, new RangeTombstone(Slice.make(start, end), new DeletionTime(timestamp, nowInSec)));
}
private void deleteColumnOrSuperColumn(LegacyLayout.LegacyDeletionInfo delInfo, List cells, CFMetaData cfm, Deletion del, int nowInSec)
throws InvalidRequestException
{
if (del.predicate != null && del.predicate.column_names != null)
{
for (ByteBuffer c : del.predicate.column_names)
{
try
{
if (del.super_column == null && cfm.isSuper())
addRange(cfm, delInfo, Slice.Bound.inclusiveStartOf(c), Slice.Bound.inclusiveEndOf(c), del.timestamp, nowInSec);
else if (del.super_column != null)
cells.add(toLegacyDeletion(cfm, del.super_column, c, del.timestamp, nowInSec));
else
cells.add(toLegacyDeletion(cfm, c, del.timestamp, nowInSec));
}
catch (UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
}
}
else if (del.predicate != null && del.predicate.slice_range != null)
{
if (del.super_column == null)
{
LegacyLayout.LegacyBound start = LegacyLayout.decodeTombstoneBound(cfm, del.predicate.getSlice_range().start, true);
LegacyLayout.LegacyBound end = LegacyLayout.decodeTombstoneBound(cfm, del.predicate.getSlice_range().finish, false);
delInfo.add(cfm, new LegacyLayout.LegacyRangeTombstone(start, end, new DeletionTime(del.timestamp, nowInSec)));
}
else
{
// Since we use a map for subcolumns, we would need range tombstone for collections to support this.
// And while we may want those some day, this require a bit of additional work. And since super columns
// are basically deprecated since a long time, and range tombstone on them has been only very recently
// added so that no thrift driver actually supports it to the best of my knowledge, it's likely ok to
// discontinue support for this. If it turns out that this is blocking the update of someone, we can
// decide then if we want to tackle the addition of range tombstone for collections then.
throw new InvalidRequestException("Cannot delete a range of subcolumns in a super column");
}
}
else
{
if (del.super_column != null)
addRange(cfm, delInfo, Slice.Bound.inclusiveStartOf(del.super_column), Slice.Bound.inclusiveEndOf(del.super_column), del.timestamp, nowInSec);
else
delInfo.add(new DeletionTime(del.timestamp, nowInSec));
}
}
public void batch_mutate(Map>> mutation_map, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = Maps.newLinkedHashMap();
for (Map.Entry>> mutationEntry : mutation_map.entrySet())
{
traceParameters.put(ByteBufferUtil.bytesToHex(mutationEntry.getKey()),
Joiner.on(";").withKeyValueSeparator(":").join(mutationEntry.getValue()));
}
traceParameters.put("consistency_level", consistency_level.name());
Tracing.instance.begin("batch_mutate", traceParameters);
}
else
{
logger.trace("batch_mutate");
}
try
{
doInsert(consistency_level, createMutationList(consistency_level, mutation_map, true));
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public void atomic_batch_mutate(Map>> mutation_map, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = Maps.newLinkedHashMap();
for (Map.Entry>> mutationEntry : mutation_map.entrySet())
{
traceParameters.put(ByteBufferUtil.bytesToHex(mutationEntry.getKey()),
Joiner.on(";").withKeyValueSeparator(":").join(mutationEntry.getValue()));
}
traceParameters.put("consistency_level", consistency_level.name());
Tracing.instance.begin("atomic_batch_mutate", traceParameters);
}
else
{
logger.trace("atomic_batch_mutate");
}
try
{
doInsert(consistency_level, createMutationList(consistency_level, mutation_map, false), true);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private void internal_remove(ByteBuffer key, ColumnPath column_path, long timestamp, ConsistencyLevel consistency_level, boolean isCommutativeOp)
throws RequestValidationException, UnavailableException, TimedOutException
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_path.column_family, Permission.MODIFY);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_path.column_family, isCommutativeOp);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot modify Materialized Views directly");
ThriftValidation.validateKey(metadata, key);
ThriftValidation.validateColumnPathOrParent(metadata, column_path);
if (isCommutativeOp)
ThriftConversion.fromThrift(consistency_level).validateCounterForWrite(metadata);
DecoratedKey dk = metadata.decorateKey(key);
int nowInSec = FBUtilities.nowInSeconds();
PartitionUpdate update;
if (column_path.super_column == null && column_path.column == null)
{
update = PartitionUpdate.fullPartitionDelete(metadata, dk, timestamp, nowInSec);
}
else if (column_path.super_column != null && column_path.column == null)
{
Row row = BTreeRow.emptyDeletedRow(new Clustering(column_path.super_column), Row.Deletion.regular(new DeletionTime(timestamp, nowInSec)));
update = PartitionUpdate.singleRowUpdate(metadata, dk, row);
}
else
{
try
{
LegacyLayout.LegacyCellName name = LegacyLayout.decodeCellName(metadata, column_path.super_column, column_path.column);
CellPath path = name.collectionElement == null ? null : CellPath.create(name.collectionElement);
Cell cell = BufferCell.tombstone(name.column, timestamp, nowInSec, path);
update = PartitionUpdate.singleRowUpdate(metadata, dk, BTreeRow.singleCellRow(name.clustering, cell));
}
catch (UnknownColumnException e)
{
throw new org.apache.cassandra.exceptions.InvalidRequestException(e.getMessage());
}
}
org.apache.cassandra.db.Mutation mutation = new org.apache.cassandra.db.Mutation(update);
if (isCommutativeOp)
doInsert(consistency_level, Collections.singletonList(new CounterMutation(mutation, ThriftConversion.fromThrift(consistency_level))));
else
doInsert(consistency_level, Collections.singletonList(mutation));
}
public void remove(ByteBuffer key, ColumnPath column_path, long timestamp, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_path", column_path.toString(),
"timestamp", timestamp + "",
"consistency_level", consistency_level.name());
Tracing.instance.begin("remove", traceParameters);
}
else
{
logger.trace("remove");
}
try
{
internal_remove(key, column_path, timestamp, consistency_level, false);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private void doInsert(ConsistencyLevel consistency_level, List mutations)
throws UnavailableException, TimedOutException, org.apache.cassandra.exceptions.InvalidRequestException
{
doInsert(consistency_level, mutations, false);
}
private void doInsert(ConsistencyLevel consistency_level, List mutations, boolean mutateAtomically)
throws UnavailableException, TimedOutException, org.apache.cassandra.exceptions.InvalidRequestException
{
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForWrite(state().getKeyspace());
if (mutations.isEmpty())
return;
long timeout = Long.MAX_VALUE;
for (IMutation m : mutations)
timeout = Longs.min(timeout, m.getTimeout());
schedule(timeout);
try
{
StorageProxy.mutateWithTriggers(mutations, consistencyLevel, mutateAtomically);
}
catch (RequestExecutionException e)
{
ThriftConversion.rethrow(e);
}
finally
{
release();
}
}
private void validateLogin() throws InvalidRequestException
{
try
{
state().validateLogin();
}
catch (UnauthorizedException e)
{
throw new InvalidRequestException(e.getMessage());
}
}
public KsDef describe_keyspace(String keyspaceName) throws NotFoundException, InvalidRequestException
{
validateLogin();
KeyspaceMetadata ksm = Schema.instance.getKSMetaData(keyspaceName);
if (ksm == null)
throw new NotFoundException();
return ThriftConversion.toThrift(ksm);
}
public List get_range_slices(ColumnParent column_parent, SlicePredicate predicate, KeyRange range, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of(
"column_parent", column_parent.toString(),
"predicate", predicate.toString(),
"range", range.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get_range_slices", traceParameters);
}
else
{
logger.trace("range_slice");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_parent.column_family);
ThriftValidation.validateColumnParent(metadata, column_parent);
ThriftValidation.validatePredicate(metadata, column_parent, predicate);
ThriftValidation.validateKeyRange(metadata, column_parent.super_column, range);
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForRead(keyspace);
IPartitioner p = metadata.partitioner;
AbstractBounds bounds;
if (range.start_key == null)
{
Token.TokenFactory tokenFactory = p.getTokenFactory();
Token left = tokenFactory.fromString(range.start_token);
Token right = tokenFactory.fromString(range.end_token);
bounds = Range.makeRowRange(left, right);
}
else
{
PartitionPosition end = range.end_key == null
? p.getTokenFactory().fromString(range.end_token).maxKeyBound()
: PartitionPosition.ForKey.get(range.end_key, p);
bounds = new Bounds<>(PartitionPosition.ForKey.get(range.start_key, p), end);
}
int nowInSec = FBUtilities.nowInSeconds();
schedule(DatabaseDescriptor.getRangeRpcTimeout());
try
{
ColumnFilter columns = makeColumnFilter(metadata, column_parent, predicate);
ClusteringIndexFilter filter = toInternalFilter(metadata, column_parent, predicate);
DataLimits limits = getLimits(range.count, metadata.isSuper() && !column_parent.isSetSuper_column(), predicate);
PartitionRangeReadCommand cmd =
PartitionRangeReadCommand.create(true,
metadata,
nowInSec,
columns,
ThriftConversion.rowFilterFromThrift(metadata, range.row_filter),
limits,
new DataRange(bounds, filter));
try (PartitionIterator results = StorageProxy.getRangeSlice(cmd, consistencyLevel))
{
assert results != null;
return thriftifyKeySlices(results, column_parent, limits.perPartitionCount());
}
}
finally
{
release();
}
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public List get_paged_slice(String column_family, KeyRange range, ByteBuffer start_column, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException, TException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("column_family", column_family,
"range", range.toString(),
"start_column", ByteBufferUtil.bytesToHex(start_column),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get_paged_slice", traceParameters);
}
else
{
logger.trace("get_paged_slice");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_family);
ThriftValidation.validateKeyRange(metadata, null, range);
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForRead(keyspace);
IPartitioner p = metadata.partitioner;
AbstractBounds bounds;
if (range.start_key == null)
{
// (token, key) is unsupported, assume (token, token)
Token.TokenFactory tokenFactory = p.getTokenFactory();
Token left = tokenFactory.fromString(range.start_token);
Token right = tokenFactory.fromString(range.end_token);
bounds = Range.makeRowRange(left, right);
}
else
{
PartitionPosition end = range.end_key == null
? p.getTokenFactory().fromString(range.end_token).maxKeyBound()
: PartitionPosition.ForKey.get(range.end_key, p);
bounds = new Bounds<>(PartitionPosition.ForKey.get(range.start_key, p), end);
}
if (range.row_filter != null && !range.row_filter.isEmpty())
throw new InvalidRequestException("Cross-row paging is not supported along with index clauses");
int nowInSec = FBUtilities.nowInSeconds();
schedule(DatabaseDescriptor.getRangeRpcTimeout());
try
{
ClusteringIndexFilter filter = new ClusteringIndexSliceFilter(Slices.ALL, false);
DataLimits limits = getLimits(range.count, true, Integer.MAX_VALUE);
Clustering pageFrom = metadata.isSuper()
? new Clustering(start_column)
: LegacyLayout.decodeCellName(metadata, start_column).clustering;
PartitionRangeReadCommand cmd =
PartitionRangeReadCommand.create(true,
metadata,
nowInSec,
ColumnFilter.all(metadata),
RowFilter.NONE,
limits,
new DataRange(bounds, filter).forPaging(bounds, metadata.comparator, pageFrom, true));
try (PartitionIterator results = StorageProxy.getRangeSlice(cmd, consistencyLevel))
{
return thriftifyKeySlices(results, new ColumnParent(column_family), limits.perPartitionCount());
}
}
catch (UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
finally
{
release();
}
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private List thriftifyKeySlices(PartitionIterator results, ColumnParent column_parent, int cellLimit)
{
try (PartitionIterator iter = results)
{
List keySlices = new ArrayList<>();
while (iter.hasNext())
{
try (RowIterator partition = iter.next())
{
List thriftifiedColumns = thriftifyPartition(partition, column_parent.super_column != null, partition.isReverseOrder(), cellLimit);
keySlices.add(new KeySlice(partition.partitionKey().getKey(), thriftifiedColumns));
}
}
return keySlices;
}
}
public List get_indexed_slices(ColumnParent column_parent, IndexClause index_clause, SlicePredicate column_predicate, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException, TException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("column_parent", column_parent.toString(),
"index_clause", index_clause.toString(),
"slice_predicate", column_predicate.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("get_indexed_slices", traceParameters);
}
else
{
logger.trace("scan");
}
try
{
ThriftClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_parent.column_family, false);
ThriftValidation.validateColumnParent(metadata, column_parent);
ThriftValidation.validatePredicate(metadata, column_parent, column_predicate);
ThriftValidation.validateIndexClauses(metadata, index_clause);
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(consistency_level);
consistencyLevel.validateForRead(keyspace);
IPartitioner p = metadata.partitioner;
AbstractBounds bounds = new Bounds<>(PartitionPosition.ForKey.get(index_clause.start_key, p),
p.getMinimumToken().minKeyBound());
int nowInSec = FBUtilities.nowInSeconds();
ColumnFilter columns = makeColumnFilter(metadata, column_parent, column_predicate);
ClusteringIndexFilter filter = toInternalFilter(metadata, column_parent, column_predicate);
DataLimits limits = getLimits(index_clause.count, metadata.isSuper() && !column_parent.isSetSuper_column(), column_predicate);
PartitionRangeReadCommand cmd =
PartitionRangeReadCommand.create(true,
metadata,
nowInSec,
columns,
ThriftConversion.rowFilterFromThrift(metadata, index_clause.expressions),
limits,
new DataRange(bounds, filter));
// If there's a secondary index that the command can use, have it validate the request parameters.
cmd.maybeValidateIndex();
try (PartitionIterator results = StorageProxy.getRangeSlice(cmd, consistencyLevel))
{
return thriftifyKeySlices(results, column_parent, limits.perPartitionCount());
}
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public List describe_keyspaces() throws TException, InvalidRequestException
{
validateLogin();
Set keyspaces = Schema.instance.getKeyspaces();
List ksset = new ArrayList<>(keyspaces.size());
for (String ks : keyspaces)
{
try
{
ksset.add(describe_keyspace(ks));
}
catch (NotFoundException nfe)
{
logger.info("Failed to find metadata for keyspace '{}'. Continuing... ", ks);
}
}
return ksset;
}
public String describe_cluster_name() throws TException
{
return DatabaseDescriptor.getClusterName();
}
public String describe_version() throws TException
{
return cassandraConstants.VERSION;
}
public List describe_ring(String keyspace) throws InvalidRequestException
{
try
{
return StorageService.instance.describeRing(keyspace);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
@Override
public List describe_local_ring(String keyspace) throws InvalidRequestException, TException
{
try
{
return StorageService.instance.describeLocalRing(keyspace);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public Map describe_token_map() throws InvalidRequestException
{
return StorageService.instance.getTokenToEndpointMap();
}
public String describe_partitioner() throws TException
{
return StorageService.instance.getPartitionerName();
}
public String describe_snitch() throws TException
{
if (DatabaseDescriptor.getEndpointSnitch() instanceof DynamicEndpointSnitch)
return ((DynamicEndpointSnitch)DatabaseDescriptor.getEndpointSnitch()).subsnitch.getClass().getName();
return DatabaseDescriptor.getEndpointSnitch().getClass().getName();
}
@Deprecated
public List describe_splits(String cfName, String start_token, String end_token, int keys_per_split)
throws TException, InvalidRequestException
{
List splits = describe_splits_ex(cfName, start_token, end_token, keys_per_split);
List result = new ArrayList<>(splits.size() + 1);
result.add(splits.get(0).getStart_token());
for (CfSplit cfSplit : splits)
result.add(cfSplit.getEnd_token());
return result;
}
public List describe_splits_ex(String cfName, String start_token, String end_token, int keys_per_split)
throws InvalidRequestException, TException
{
try
{
Token.TokenFactory tf = StorageService.instance.getTokenFactory();
Range tr = new Range(tf.fromString(start_token), tf.fromString(end_token));
List, Long>> splits =
StorageService.instance.getSplits(state().getKeyspace(), cfName, tr, keys_per_split);
List result = new ArrayList<>(splits.size());
for (Pair, Long> split : splits)
result.add(new CfSplit(split.left.left.toString(), split.left.right.toString(), split.right));
return result;
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public void login(AuthenticationRequest auth_request) throws TException
{
try
{
state().login(DatabaseDescriptor.getAuthenticator().legacyAuthenticate(auth_request.getCredentials()));
}
catch (org.apache.cassandra.exceptions.AuthenticationException e)
{
throw ThriftConversion.toThrift(e);
}
}
/**
* Schedule the current thread for access to the required services
*/
private void schedule(long timeoutMS) throws UnavailableException
{
try
{
requestScheduler.queue(Thread.currentThread(), state().getSchedulingValue(), timeoutMS);
}
catch (TimeoutException e)
{
throw new UnavailableException();
}
}
/**
* Release count for the used up resources
*/
private void release()
{
requestScheduler.release();
}
public String system_add_column_family(CfDef cf_def) throws TException
{
logger.trace("add_column_family");
try
{
ClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasKeyspaceAccess(keyspace, Permission.CREATE);
cf_def.unsetId(); // explicitly ignore any id set by client (Hector likes to set zero)
CFMetaData cfm = ThriftConversion.fromThrift(cf_def);
cfm.params.compaction.validate();
if (!cfm.getTriggers().isEmpty())
state().ensureIsSuper("Only superusers are allowed to add triggers.");
MigrationManager.announceNewColumnFamily(cfm);
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public String system_drop_column_family(String column_family)
throws InvalidRequestException, SchemaDisagreementException, TException
{
logger.trace("drop_column_family");
ThriftClientState cState = state();
try
{
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_family, Permission.DROP);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_family);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot drop Materialized Views from Thrift");
MigrationManager.announceColumnFamilyDrop(keyspace, column_family);
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public String system_add_keyspace(KsDef ks_def)
throws InvalidRequestException, SchemaDisagreementException, TException
{
logger.trace("add_keyspace");
try
{
ThriftValidation.validateKeyspaceNotSystem(ks_def.name);
state().hasAllKeyspacesAccess(Permission.CREATE);
ThriftValidation.validateKeyspaceNotYetExisting(ks_def.name);
// generate a meaningful error if the user setup keyspace and/or column definition incorrectly
for (CfDef cf : ks_def.cf_defs)
{
if (!cf.getKeyspace().equals(ks_def.getName()))
{
throw new InvalidRequestException("CfDef (" + cf.getName() +") had a keyspace definition that did not match KsDef");
}
}
Collection cfDefs = new ArrayList(ks_def.cf_defs.size());
for (CfDef cf_def : ks_def.cf_defs)
{
cf_def.unsetId(); // explicitly ignore any id set by client (same as system_add_column_family)
CFMetaData cfm = ThriftConversion.fromThrift(cf_def);
if (!cfm.getTriggers().isEmpty())
state().ensureIsSuper("Only superusers are allowed to add triggers.");
cfDefs.add(cfm);
}
MigrationManager.announceNewKeyspace(ThriftConversion.fromThrift(ks_def, cfDefs.toArray(new CFMetaData[cfDefs.size()])));
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public String system_drop_keyspace(String keyspace)
throws InvalidRequestException, SchemaDisagreementException, TException
{
logger.trace("drop_keyspace");
try
{
ThriftValidation.validateKeyspaceNotSystem(keyspace);
state().hasKeyspaceAccess(keyspace, Permission.DROP);
MigrationManager.announceKeyspaceDrop(keyspace);
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
/** update an existing keyspace, but do not allow column family modifications.
* @throws SchemaDisagreementException
*/
public String system_update_keyspace(KsDef ks_def)
throws InvalidRequestException, SchemaDisagreementException, TException
{
logger.trace("update_keyspace");
try
{
ThriftValidation.validateKeyspaceNotSystem(ks_def.name);
state().hasKeyspaceAccess(ks_def.name, Permission.ALTER);
ThriftValidation.validateKeyspace(ks_def.name);
if (ks_def.getCf_defs() != null && ks_def.getCf_defs().size() > 0)
throw new InvalidRequestException("Keyspace update must not contain any table definitions.");
MigrationManager.announceKeyspaceUpdate(ThriftConversion.fromThrift(ks_def));
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public String system_update_column_family(CfDef cf_def)
throws InvalidRequestException, SchemaDisagreementException, TException
{
logger.trace("update_column_family");
try
{
if (cf_def.keyspace == null || cf_def.name == null)
throw new InvalidRequestException("Keyspace and CF name must be set.");
state().hasColumnFamilyAccess(cf_def.keyspace, cf_def.name, Permission.ALTER);
CFMetaData oldCfm = Schema.instance.getCFMetaData(cf_def.keyspace, cf_def.name);
if (oldCfm == null)
throw new InvalidRequestException("Could not find table definition to modify.");
if (oldCfm.isView())
throw new InvalidRequestException("Cannot modify Materialized View table " + oldCfm.cfName + " as it may break the schema. You should use cqlsh to modify Materialized View tables instead.");
if (!Iterables.isEmpty(View.findAll(cf_def.keyspace, cf_def.name)))
throw new InvalidRequestException("Cannot modify table with Materialized View " + oldCfm.cfName + " as it may break the schema. You should use cqlsh to modify tables with Materialized Views instead.");
if (!oldCfm.isThriftCompatible())
throw new InvalidRequestException("Cannot modify CQL3 table " + oldCfm.cfName + " as it may break the schema. You should use cqlsh to modify CQL3 tables instead.");
CFMetaData cfm = ThriftConversion.fromThriftForUpdate(cf_def, oldCfm);
cfm.params.compaction.validate();
if (!oldCfm.getTriggers().equals(cfm.getTriggers()))
state().ensureIsSuper("Only superusers are allowed to add or remove triggers.");
MigrationManager.announceColumnFamilyUpdate(cfm);
return Schema.instance.getVersion().toString();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public void truncate(String cfname) throws InvalidRequestException, UnavailableException, TimedOutException, TException
{
ClientState cState = state();
try
{
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, cfname, Permission.MODIFY);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, cfname, false);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot truncate Materialized Views");
if (startSessionIfRequested())
{
Tracing.instance.begin("truncate", ImmutableMap.of("cf", cfname, "ks", keyspace));
}
else
{
logger.trace("truncating {}.{}", cState.getKeyspace(), cfname);
}
schedule(DatabaseDescriptor.getTruncateRpcTimeout());
try
{
StorageProxy.truncateBlocking(cState.getKeyspace(), cfname);
}
finally
{
release();
}
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
catch (org.apache.cassandra.exceptions.UnavailableException e)
{
throw ThriftConversion.toThrift(e);
}
catch (TimeoutException e)
{
throw new TimedOutException();
}
catch (IOException e)
{
throw (UnavailableException) new UnavailableException().initCause(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public void set_keyspace(String keyspace) throws InvalidRequestException, TException
{
try
{
state().setKeyspace(keyspace);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public Map> describe_schema_versions() throws TException, InvalidRequestException
{
logger.trace("checking schema agreement");
return StorageProxy.describeSchemaVersions();
}
// counter methods
public void add(ByteBuffer key, ColumnParent column_parent, CounterColumn column, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException, TException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("column_parent", column_parent.toString(),
"column", column.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("add", traceParameters);
}
else
{
logger.trace("add");
}
try
{
ClientState cState = state();
String keyspace = cState.getKeyspace();
cState.hasColumnFamilyAccess(keyspace, column_parent.column_family, Permission.MODIFY);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_parent.column_family, true);
if (metadata.isView())
throw new org.apache.cassandra.exceptions.InvalidRequestException("Cannot modify Materialized Views directly");
ThriftValidation.validateKey(metadata, key);
ThriftConversion.fromThrift(consistency_level).validateCounterForWrite(metadata);
ThriftValidation.validateColumnParent(metadata, column_parent);
// SuperColumn field is usually optional, but not when we're adding
if (metadata.isSuper() && column_parent.super_column == null)
throw new InvalidRequestException("missing mandatory super column name for super CF " + column_parent.column_family);
ThriftValidation.validateColumnNames(metadata, column_parent, Arrays.asList(column.name));
try
{
LegacyLayout.LegacyCellName name = LegacyLayout.decodeCellName(metadata, column_parent.super_column, column.name);
// See UpdateParameters.addCounter() for more details on this
ByteBuffer value = CounterContext.instance().createUpdate(column.value);
CellPath path = name.collectionElement == null ? null : CellPath.create(name.collectionElement);
Cell cell = BufferCell.live(metadata, name.column, FBUtilities.timestampMicros(), value, path);
PartitionUpdate update = PartitionUpdate.singleRowUpdate(metadata, key, BTreeRow.singleCellRow(name.clustering, cell));
org.apache.cassandra.db.Mutation mutation = new org.apache.cassandra.db.Mutation(update);
doInsert(consistency_level, Arrays.asList(new CounterMutation(mutation, ThriftConversion.fromThrift(consistency_level))));
}
catch (MarshalException|UnknownColumnException e)
{
throw new InvalidRequestException(e.getMessage());
}
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public void remove_counter(ByteBuffer key, ColumnPath path, ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException, TException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(key),
"column_path", path.toString(),
"consistency_level", consistency_level.name());
Tracing.instance.begin("remove_counter", traceParameters);
}
else
{
logger.trace("remove_counter");
}
try
{
internal_remove(key, path, FBUtilities.timestampMicros(), consistency_level, true);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
private static String uncompress(ByteBuffer query, Compression compression) throws InvalidRequestException
{
String queryString = null;
// Decompress the query string.
try
{
switch (compression)
{
case GZIP:
DataOutputBuffer decompressed = new DataOutputBuffer();
byte[] outBuffer = new byte[1024], inBuffer = new byte[1024];
Inflater decompressor = new Inflater();
int lenRead = 0;
while (true)
{
if (decompressor.needsInput())
lenRead = query.remaining() < 1024 ? query.remaining() : 1024;
query.get(inBuffer, 0, lenRead);
decompressor.setInput(inBuffer, 0, lenRead);
int lenWrite = 0;
while ((lenWrite = decompressor.inflate(outBuffer)) != 0)
decompressed.write(outBuffer, 0, lenWrite);
if (decompressor.finished())
break;
}
decompressor.end();
queryString = new String(decompressed.getData(), 0, decompressed.getLength(), StandardCharsets.UTF_8);
break;
case NONE:
try
{
queryString = ByteBufferUtil.string(query);
}
catch (CharacterCodingException ex)
{
throw new InvalidRequestException(ex.getMessage());
}
break;
}
}
catch (DataFormatException e)
{
throw new InvalidRequestException("Error deflating query string.");
}
catch (IOException e)
{
throw new AssertionError(e);
}
return queryString;
}
public CqlResult execute_cql_query(ByteBuffer query, Compression compression) throws TException
{
throw new InvalidRequestException("CQL2 has been removed in Cassandra 3.0. Please use CQL3 instead");
}
public CqlResult execute_cql3_query(ByteBuffer query, Compression compression, ConsistencyLevel cLevel) throws TException
{
try
{
String queryString = uncompress(query, compression);
if (startSessionIfRequested())
{
Tracing.instance.begin("execute_cql3_query",
ImmutableMap.of("query", queryString,
"consistency_level", cLevel.name()));
}
else
{
logger.trace("execute_cql3_query");
}
ThriftClientState cState = state();
return ClientState.getCQLQueryHandler().process(queryString,
cState.getQueryState(),
QueryOptions.fromThrift(ThriftConversion.fromThrift(cLevel),
Collections.emptyList()),
null).toThriftResult();
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
public CqlPreparedResult prepare_cql_query(ByteBuffer query, Compression compression) throws TException
{
throw new InvalidRequestException("CQL2 has been removed in Cassandra 3.0. Please use CQL3 instead");
}
public CqlPreparedResult prepare_cql3_query(ByteBuffer query, Compression compression) throws TException
{
logger.trace("prepare_cql3_query");
String queryString = uncompress(query, compression);
ThriftClientState cState = state();
try
{
cState.validateLogin();
return ClientState.getCQLQueryHandler().prepare(queryString, cState.getQueryState(), null).toThriftPreparedResult();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
}
public CqlResult execute_prepared_cql_query(int itemId, List bindVariables) throws TException
{
throw new InvalidRequestException("CQL2 has been removed in Cassandra 3.0. Please use CQL3 instead");
}
public CqlResult execute_prepared_cql3_query(int itemId, List bindVariables, ConsistencyLevel cLevel) throws TException
{
if (startSessionIfRequested())
{
// TODO we don't have [typed] access to CQL bind variables here. CASSANDRA-4560 is open to add support.
Tracing.instance.begin("execute_prepared_cql3_query", ImmutableMap.of("consistency_level", cLevel.name()));
}
else
{
logger.trace("execute_prepared_cql3_query");
}
try
{
ThriftClientState cState = state();
ParsedStatement.Prepared prepared = ClientState.getCQLQueryHandler().getPreparedForThrift(itemId);
if (prepared == null)
throw new InvalidRequestException(String.format("Prepared query with ID %d not found" +
" (either the query was not prepared on this host (maybe the host has been restarted?)" +
" or you have prepared too many queries and it has been evicted from the internal cache)",
itemId));
logger.trace("Retrieved prepared statement #{} with {} bind markers", itemId, prepared.statement.getBoundTerms());
return ClientState.getCQLQueryHandler().processPrepared(prepared.statement,
cState.getQueryState(),
QueryOptions.fromThrift(ThriftConversion.fromThrift(cLevel), bindVariables),
null).toThriftResult();
}
catch (RequestExecutionException e)
{
throw ThriftConversion.rethrow(e);
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
@Override
public List get_multi_slice(MultiSliceRequest request)
throws InvalidRequestException, UnavailableException, TimedOutException
{
if (startSessionIfRequested())
{
Map traceParameters = ImmutableMap.of("key", ByteBufferUtil.bytesToHex(request.key),
"column_parent", request.column_parent.toString(),
"consistency_level", request.consistency_level.name(),
"count", String.valueOf(request.count),
"column_slices", request.column_slices.toString());
Tracing.instance.begin("get_multi_slice", traceParameters);
}
else
{
logger.trace("get_multi_slice");
}
try
{
ClientState cState = state();
String keyspace = cState.getKeyspace();
state().hasColumnFamilyAccess(keyspace, request.getColumn_parent().column_family, Permission.SELECT);
CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, request.getColumn_parent().column_family);
if (metadata.isSuper())
throw new org.apache.cassandra.exceptions.InvalidRequestException("get_multi_slice does not support super columns");
ThriftValidation.validateColumnParent(metadata, request.getColumn_parent());
org.apache.cassandra.db.ConsistencyLevel consistencyLevel = ThriftConversion.fromThrift(request.getConsistency_level());
consistencyLevel.validateForRead(keyspace);
Slices.Builder builder = new Slices.Builder(metadata.comparator, request.getColumn_slices().size());
for (int i = 0 ; i < request.getColumn_slices().size() ; i++)
{
fixOptionalSliceParameters(request.getColumn_slices().get(i));
Slice.Bound start = LegacyLayout.decodeSliceBound(metadata, request.getColumn_slices().get(i).start, true).bound;
Slice.Bound finish = LegacyLayout.decodeSliceBound(metadata, request.getColumn_slices().get(i).finish, false).bound;
int compare = metadata.comparator.compare(start, finish);
if (!request.reversed && compare > 0)
throw new InvalidRequestException(String.format("Column slice at index %d had start greater than finish", i));
else if (request.reversed && compare < 0)
throw new InvalidRequestException(String.format("Reversed column slice at index %d had start less than finish", i));
builder.add(request.reversed ? Slice.make(finish, start) : Slice.make(start, finish));
}
Slices slices = builder.build();
ColumnFilter columns = makeColumnFilter(metadata, slices);
ClusteringIndexSliceFilter filter = new ClusteringIndexSliceFilter(slices, request.reversed);
DataLimits limits = getLimits(1, false, request.count);
ThriftValidation.validateKey(metadata, request.key);
DecoratedKey dk = metadata.decorateKey(request.key);
SinglePartitionReadCommand cmd = SinglePartitionReadCommand.create(true, metadata, FBUtilities.nowInSeconds(), columns, RowFilter.NONE, limits, dk, filter);
return getSlice(Collections.singletonList(cmd),
false,
limits.perPartitionCount(),
consistencyLevel,
cState).entrySet().iterator().next().getValue();
}
catch (RequestValidationException e)
{
throw ThriftConversion.toThrift(e);
}
finally
{
Tracing.instance.stopSession();
}
}
/**
* Set the to start-of end-of value of "" for start and finish.
* @param columnSlice
*/
private static void fixOptionalSliceParameters(org.apache.cassandra.thrift.ColumnSlice columnSlice) {
if (!columnSlice.isSetStart())
columnSlice.setStart(new byte[0]);
if (!columnSlice.isSetFinish())
columnSlice.setFinish(new byte[0]);
}
/*
* No-op since 3.0.
*/
public void set_cql_version(String version)
{
}
public ByteBuffer trace_next_query() throws TException
{
UUID sessionId = UUIDGen.getTimeUUID();
state().getQueryState().prepareTracingSession(sessionId);
return TimeUUIDType.instance.decompose(sessionId);
}
private boolean startSessionIfRequested()
{
if (state().getQueryState().traceNextQuery())
{
state().getQueryState().createTracingSession();
return true;
}
return false;
}
private void registerMetrics()
{
ClientMetrics.instance.addCounter("connectedThriftClients", new Callable()
{
@Override
public Integer call() throws Exception
{
return ThriftSessionManager.instance.getConnectedClients();
}
});
}
private static class ThriftCASRequest implements CASRequest
{
private final CFMetaData metadata;
private final DecoratedKey key;
private final List expected;
private final PartitionUpdate updates;
private final int nowInSec;
private ThriftCASRequest(List expected, PartitionUpdate updates, int nowInSec)
{
this.metadata = updates.metadata();
this.key = updates.partitionKey();
this.expected = expected;
this.updates = updates;
this.nowInSec = nowInSec;
}
public SinglePartitionReadCommand readCommand(int nowInSec)
{
if (expected.isEmpty())
{
// We want to know if the partition exists, so just fetch a single cell.
ClusteringIndexSliceFilter filter = new ClusteringIndexSliceFilter(Slices.ALL, false);
DataLimits limits = DataLimits.thriftLimits(1, 1);
return SinglePartitionReadCommand.create(true, metadata, nowInSec, ColumnFilter.all(metadata), RowFilter.NONE, limits, key, filter);
}
// Gather the clustering for the expected values and query those.
BTreeSet.Builder clusterings = BTreeSet.builder(metadata.comparator);
FilteredPartition expectedPartition =
FilteredPartition.create(LegacyLayout.toRowIterator(metadata, key, expected.iterator(), nowInSec));
for (Row row : expectedPartition)
clusterings.add(row.clustering());
PartitionColumns columns = expectedPartition.staticRow().isEmpty()
? metadata.partitionColumns().withoutStatics()
: metadata.partitionColumns();
ClusteringIndexNamesFilter filter = new ClusteringIndexNamesFilter(clusterings.build(), false);
return SinglePartitionReadCommand.create(true, metadata, nowInSec, ColumnFilter.selection(columns), RowFilter.NONE, DataLimits.NONE, key, filter);
}
public boolean appliesTo(FilteredPartition current)
{
if (expected.isEmpty())
return current.isEmpty();
else if (current.isEmpty())
return false;
// Push the expected results through ThriftResultsMerger to translate any static
// columns into clusterings. The current partition is retrieved in the same so
// unless they're both handled the same, they won't match.
FilteredPartition expectedPartition =
FilteredPartition.create(
UnfilteredRowIterators.filter(
ThriftResultsMerger.maybeWrap(expectedToUnfilteredRowIterator(), nowInSec), nowInSec));
// Check that for everything we expected, the fetched values exists and correspond.
for (Row e : expectedPartition)
{
Row c = current.getRow(e.clustering());
if (c == null)
return false;
SearchIterator searchIter = c.searchIterator();
for (ColumnData expectedData : e)
{
ColumnDefinition column = expectedData.column();
ColumnData currentData = searchIter.next(column);
if (currentData == null)
return false;
if (column.isSimple())
{
if (!((Cell)currentData).value().equals(((Cell)expectedData).value()))
return false;
}
else
{
ComplexColumnData currentComplexData = (ComplexColumnData)currentData;
for (Cell expectedCell : (ComplexColumnData)expectedData)
{
Cell currentCell = currentComplexData.getCell(expectedCell.path());
if (currentCell == null || !currentCell.value().equals(expectedCell.value()))
return false;
}
}
}
}
return true;
}
public PartitionUpdate makeUpdates(FilteredPartition current)
{
return updates;
}
private UnfilteredRowIterator expectedToUnfilteredRowIterator()
{
return LegacyLayout.toUnfilteredRowIterator(metadata, key, LegacyLayout.LegacyDeletionInfo.live(), expected.iterator());
}
}
}
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