Merge branch 'cassandra-3.0' into trunk

This commit is contained in:
Sylvain Lebresne 2015-09-04 17:06:06 +02:00
commit f05afe5ae4
5 changed files with 200 additions and 6 deletions

View File

@ -853,6 +853,17 @@ public abstract class LegacyLayout
};
}
private static boolean equalValues(ClusteringPrefix c1, ClusteringPrefix c2, ClusteringComparator comparator)
{
assert c1.size() == c2.size();
for (int i = 0; i < c1.size(); i++)
{
if (comparator.compareComponent(i, c1.get(i), c2.get(i)) != 0)
return false;
}
return true;
}
private static Comparator<LegacyAtom> legacyAtomComparator(CFMetaData metadata)
{
return (o1, o2) ->
@ -864,7 +875,7 @@ public abstract class LegacyLayout
ClusteringPrefix c2 = o2.clustering();
int clusteringComparison;
if (c1.size() != c2.size() || (o1.isCell() == o2.isCell()))
if (c1.size() != c2.size() || (o1.isCell() == o2.isCell()) || !equalValues(c1, c2, metadata.comparator))
{
clusteringComparison = metadata.comparator.compare(c1, c2);
}

View File

@ -863,7 +863,7 @@ public abstract class ReadCommand implements ReadQuery
PartitionColumns columns = filter.selects(Clustering.STATIC_CLUSTERING)
? metadata.partitionColumns()
: metadata.partitionColumns().withoutStatics();
return new ColumnFilter.Builder(metadata).addAll(columns).build();
return ColumnFilter.selectionBuilder().addAll(columns).build();
}
}
@ -1208,7 +1208,7 @@ public abstract class ReadCommand implements ReadQuery
// fully specified. We need to handle those cases differently in 3.0.
NavigableSet<Clustering> clusterings = new TreeSet<>(metadata.comparator);
ColumnFilter.Builder selectionBuilder = new ColumnFilter.Builder(metadata);
ColumnFilter.Builder selectionBuilder = ColumnFilter.selectionBuilder();
for (int i = 0; i < numCellNames; i++)
{
ByteBuffer buffer = ByteBufferUtil.readWithShortLength(in);
@ -1287,7 +1287,7 @@ public abstract class ReadCommand implements ReadQuery
PartitionColumns columns = selectsStatics
? metadata.partitionColumns()
: metadata.partitionColumns().withoutStatics();
ColumnFilter columnFilter = new ColumnFilter.Builder(metadata).addAll(columns).build();
ColumnFilter columnFilter = ColumnFilter.selectionBuilder().addAll(columns).build();
boolean isDistinct = compositesToGroup == -2 || (count == 1 && selectsStatics);
DataLimits limits;

View File

@ -876,7 +876,8 @@ public abstract class Slices implements Iterable<Slice>
public UnfilteredRowIterator makeSliceIterator(SliceableUnfilteredRowIterator iter)
{
return UnfilteredRowIterators.emptyIterator(iter.metadata(), iter.partitionKey(), iter.isReverseOrder());
return UnfilteredRowIterators.noRowsIterator(iter.metadata(), iter.partitionKey(), iter.staticRow(),
iter.partitionLevelDeletion(), iter.isReverseOrder());
}
public Iterator<Slice> iterator()

View File

@ -246,7 +246,7 @@ public class ColumnFilter
private PartitionColumns.Builder selection;
private List<ColumnSubselection> subSelections;
public Builder(CFMetaData metadata)
private Builder(CFMetaData metadata)
{
this.metadata = metadata;
}

View File

@ -0,0 +1,182 @@
package org.apache.cassandra.db;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.Iterator;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.ColumnDefinition;
import org.apache.cassandra.config.Schema;
import org.apache.cassandra.cql3.ColumnIdentifier;
import org.apache.cassandra.cql3.QueryProcessor;
import org.apache.cassandra.cql3.UntypedResultSet;
import org.apache.cassandra.db.filter.ClusteringIndexSliceFilter;
import org.apache.cassandra.db.filter.ColumnFilter;
import org.apache.cassandra.db.filter.DataLimits;
import org.apache.cassandra.db.filter.RowFilter;
import org.apache.cassandra.db.marshal.IntegerType;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.db.partitions.UnfilteredPartitionIterator;
import org.apache.cassandra.db.rows.Cell;
import org.apache.cassandra.db.rows.Row;
import org.apache.cassandra.db.rows.UnfilteredRowIterator;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.util.ByteBufferDataInput;
import org.apache.cassandra.io.util.DataInputPlus;
import org.apache.cassandra.io.util.DataOutputBuffer;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FBUtilities;
public class SinglePartitionSliceCommandTest
{
private static final Logger logger = LoggerFactory.getLogger(SinglePartitionSliceCommandTest.class);
private static final String KEYSPACE = "ks";
private static final String TABLE = "tbl";
private static CFMetaData cfm;
private static ColumnDefinition v;
private static ColumnDefinition s;
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
cfm = CFMetaData.Builder.create(KEYSPACE, TABLE)
.addPartitionKey("k", UTF8Type.instance)
.addStaticColumn("s", UTF8Type.instance)
.addClusteringColumn("i", IntegerType.instance)
.addRegularColumn("v", UTF8Type.instance)
.build();
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE, KeyspaceParams.simple(1), cfm);
cfm = Schema.instance.getCFMetaData(KEYSPACE, TABLE);
v = cfm.getColumnDefinition(new ColumnIdentifier("v", true));
s = cfm.getColumnDefinition(new ColumnIdentifier("s", true));
}
@Test
public void staticColumnsAreFiltered() throws IOException
{
DecoratedKey key = cfm.decorateKey(ByteBufferUtil.bytes("k"));
UntypedResultSet rows;
QueryProcessor.executeInternal("INSERT INTO ks.tbl (k, s, i, v) VALUES ('k', 's', 0, 'v')");
QueryProcessor.executeInternal("DELETE v FROM ks.tbl WHERE k='k' AND i=0");
QueryProcessor.executeInternal("DELETE FROM ks.tbl WHERE k='k' AND i=0");
rows = QueryProcessor.executeInternal("SELECT * FROM ks.tbl WHERE k='k' AND i=0");
for (UntypedResultSet.Row row: rows)
{
logger.debug("Current: k={}, s={}, v={}", (row.has("k") ? row.getString("k") : null), (row.has("s") ? row.getString("s") : null), (row.has("v") ? row.getString("v") : null));
}
assert rows.isEmpty();
ColumnFilter columnFilter = ColumnFilter.selection(PartitionColumns.of(v));
ByteBuffer zero = ByteBufferUtil.bytes(0);
Slices slices = Slices.with(cfm.comparator, Slice.make(Slice.Bound.inclusiveStartOf(zero), Slice.Bound.inclusiveEndOf(zero)));
ClusteringIndexSliceFilter sliceFilter = new ClusteringIndexSliceFilter(slices, false);
ReadCommand cmd = new SinglePartitionSliceCommand(false, MessagingService.VERSION_30, true, cfm,
FBUtilities.nowInSeconds(),
columnFilter,
RowFilter.NONE,
DataLimits.NONE,
key,
sliceFilter);
DataOutputBuffer out = new DataOutputBuffer((int) ReadCommand.legacyReadCommandSerializer.serializedSize(cmd, MessagingService.VERSION_21));
ReadCommand.legacyReadCommandSerializer.serialize(cmd, out, MessagingService.VERSION_21);
DataInputPlus in = new ByteBufferDataInput(out.buffer(), null, 0, 0);
cmd = ReadCommand.legacyReadCommandSerializer.deserialize(in, MessagingService.VERSION_21);
logger.debug("ReadCommand: {}", cmd);
UnfilteredPartitionIterator partitionIterator = cmd.executeLocally(ReadOrderGroup.emptyGroup());
ReadResponse response = ReadResponse.createDataResponse(partitionIterator, cmd.columnFilter());
logger.debug("creating response: {}", response);
partitionIterator = response.makeIterator(cfm, null); // <- cmd is null
assert partitionIterator.hasNext();
UnfilteredRowIterator partition = partitionIterator.next();
LegacyLayout.LegacyUnfilteredPartition rowIter = LegacyLayout.fromUnfilteredRowIterator(partition);
Assert.assertEquals(Collections.emptyList(), rowIter.cells);
}
private void checkForS(UnfilteredPartitionIterator pi)
{
Assert.assertTrue(pi.toString(), pi.hasNext());
UnfilteredRowIterator ri = pi.next();
Assert.assertTrue(ri.columns().contains(s));
Row staticRow = ri.staticRow();
Iterator<Cell> cellIterator = staticRow.cells().iterator();
Assert.assertTrue(staticRow.toString(cfm, true), cellIterator.hasNext());
Cell cell = cellIterator.next();
Assert.assertEquals(s, cell.column());
Assert.assertEquals(ByteBufferUtil.bytesToHex(cell.value()), ByteBufferUtil.bytes("s"), cell.value());
Assert.assertFalse(cellIterator.hasNext());
}
@Test
public void staticColumnsAreReturned() throws IOException
{
DecoratedKey key = cfm.decorateKey(ByteBufferUtil.bytes("k"));
QueryProcessor.executeInternal("INSERT INTO ks.tbl (k, s) VALUES ('k', 's')");
Assert.assertFalse(QueryProcessor.executeInternal("SELECT s FROM ks.tbl WHERE k='k'").isEmpty());
ColumnFilter columnFilter = ColumnFilter.selection(PartitionColumns.of(s));
ClusteringIndexSliceFilter sliceFilter = new ClusteringIndexSliceFilter(Slices.NONE, false);
ReadCommand cmd = new SinglePartitionSliceCommand(false, MessagingService.VERSION_30, true, cfm,
FBUtilities.nowInSeconds(),
columnFilter,
RowFilter.NONE,
DataLimits.NONE,
key,
sliceFilter);
UnfilteredPartitionIterator pi;
// check raw iterator for static cell
pi = cmd.executeLocally(ReadOrderGroup.emptyGroup());
checkForS(pi);
ReadResponse response;
DataOutputBuffer out;
DataInputPlus in;
ReadResponse dst;
// check (de)serialized iterator for memtable static cell
pi = cmd.executeLocally(ReadOrderGroup.emptyGroup());
response = ReadResponse.createDataResponse(pi, cmd.columnFilter());
out = new DataOutputBuffer((int) ReadResponse.serializer.serializedSize(response, MessagingService.VERSION_30));
ReadResponse.serializer.serialize(response, out, MessagingService.VERSION_30);
in = new ByteBufferDataInput(out.buffer(), null, 0, 0);
dst = ReadResponse.serializer.deserialize(in, MessagingService.VERSION_30);
pi = dst.makeIterator(cfm, cmd);
checkForS(pi);
// check (de)serialized iterator for sstable static cell
Schema.instance.getColumnFamilyStoreInstance(cfm.cfId).forceBlockingFlush();
pi = cmd.executeLocally(ReadOrderGroup.emptyGroup());
response = ReadResponse.createDataResponse(pi, cmd.columnFilter());
out = new DataOutputBuffer((int) ReadResponse.serializer.serializedSize(response, MessagingService.VERSION_30));
ReadResponse.serializer.serialize(response, out, MessagingService.VERSION_30);
in = new ByteBufferDataInput(out.buffer(), null, 0, 0);
dst = ReadResponse.serializer.deserialize(in, MessagingService.VERSION_30);
pi = dst.makeIterator(cfm, cmd);
checkForS(pi);
}
}