Package org.apache.cassandra.thrift

Examples of org.apache.cassandra.thrift.IndexExpression$IndexExpressionStandardScheme

251
252
253
254
255
256
257
258
259
260
261
        // make sure all sstables including 2ary indexes load from disk
        for (ColumnFamilyStore cfs : indexedCFS.concatWithIndexes())
            clearAndLoad(cfs);

        // query using index to see if sstable for secondary index opens
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        List<IndexExpression> clause = Arrays.asList(expr);
        IPartitioner p = StorageService.getPartitioner();
        Range<RowPosition> range = Util.range("", "");
        List<Row> rows = indexedCFS.search(clause, range, 100, new IdentityQueryFilter());
        assert rows.size() == 1;
View Full Code Here
320
321
322
323
324
325
326
327
328
329
330
        // make sure all sstables including 2ary indexes load from disk
        for (ColumnFamilyStore cfs : indexedCFS.concatWithIndexes())
            clearAndLoad(cfs);

        // query using index to see if sstable for secondary index opens
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        List<IndexExpression> clause = Arrays.asList(expr);
        IPartitioner p = StorageService.getPartitioner();
        Range<RowPosition> range = Util.range("", "");
        List<Row> rows = indexedCFS.search(clause, range, 100, new IdentityQueryFilter());
        assert rows.size() == 1;
View Full Code Here
147
148
149
150
151
152
153
154
155
156
157
        // confirm that the secondary index was recovered
        for (String key : keys)
        {
            long val = key.hashCode();
            IPartitioner p = StorageService.getPartitioner();
            IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"),
                                                       IndexOperator.EQ,
                                                       ByteBufferUtil.bytes(val));
            List<IndexExpression> clause = Arrays.asList(expr);
            IDiskAtomFilter filter = new IdentityQueryFilter();
            Range<RowPosition> range = Util.range("", "");
View Full Code Here
176
177
178
179
180
181
182
183
184
185
186
        {
            // Left and right side of relational expression encoded according to comparator/validator.
            ByteBuffer entity = columnRelation.getEntity().getByteBuffer(metadata.comparator, variables);
            ByteBuffer value = columnRelation.getValue().getByteBuffer(select.getValueValidator(metadata.ksName, entity), variables);

            expressions.add(new IndexExpression(entity,
                                                IndexOperator.valueOf(columnRelation.operator().toString()),
                                                value));
        }

        int limit = select.isKeyRange() && select.getKeyStart() != null
View Full Code Here
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
                for (Term t : restriction.eqValues)
                {
                    ByteBuffer value = t.getByteBuffer(name.type, variables);
                    if (value.remaining() > 0xFFFF)
                        throw new InvalidRequestException("Index expression values may not be larger than 64K");
                    expressions.add(new IndexExpression(name.name.key, IndexOperator.EQ, value));
                }
            }
            else
            {
                for (Bound b : Bound.values())
                {
                    if (restriction.bound(b) != null)
                    {
                        ByteBuffer value = restriction.bound(b).getByteBuffer(name.type, variables);
                        if (value.remaining() > 0xFFFF)
                            throw new InvalidRequestException("Index expression values may not be larger than 64K");
                        expressions.add(new IndexExpression(name.name.key, restriction.getIndexOperator(b), value));
                    }
                }
            }
        }
        return expressions;
View Full Code Here
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
                    ByteBuffer value = t.bindAndGet(variables);
                    if (value == null)
                        throw new InvalidRequestException(String.format("Unsupported null value for indexed column %s", name));
                    if (value.remaining() > 0xFFFF)
                        throw new InvalidRequestException("Index expression values may not be larger than 64K");
                    expressions.add(new IndexExpression(name.name.key, IndexOperator.EQ, value));
                }
            }
            else
            {
                for (Bound b : Bound.values())
                {
                    if (restriction.bound(b) != null)
                    {
                        ByteBuffer value = restriction.bound(b).bindAndGet(variables);
                        if (value == null)
                            throw new InvalidRequestException(String.format("Unsupported null value for indexed column %s", name));
                        if (value.remaining() > 0xFFFF)
                            throw new InvalidRequestException("Index expression values may not be larger than 64K");
                        expressions.add(new IndexExpression(name.name.key, restriction.getIndexOperator(b), value));
                    }
                }
            }
        }
        return expressions;
View Full Code Here
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
            if (restriction.isEquality())
            {
                for (Term t : restriction.eqValues)
                {
                    ByteBuffer value = t.getByteBuffer(name.type, variables);
                    expressions.add(new IndexExpression(name.name.key, IndexOperator.EQ, value));
                }
            }
            else
            {
                for (Bound b : Bound.values())
                {
                    if (restriction.bound(b) != null)
                    {
                        ByteBuffer value = restriction.bound(b).getByteBuffer(name.type, variables);
                        expressions.add(new IndexExpression(name.name.key, restriction.getIndexOperator(b), value));
                    }
                }
            }
        }
        return expressions;
View Full Code Here
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
            if (restriction.isEquality())
            {
                for (Term t : restriction.eqValues)
                {
                    ByteBuffer value = t.getByteBuffer(name.type, variables);
                    expressions.add(new IndexExpression(name.name.key, IndexOperator.EQ, value));
                }
            }
            else
            {
                for (Bound b : Bound.values())
                {
                    if (restriction.bound(b) != null)
                    {
                        ByteBuffer value = restriction.bound(b).getByteBuffer(name.type, variables);
                        expressions.add(new IndexExpression(name.name.key, restriction.getIndexOperator(b), value));
                    }
                }
            }
        }
        return expressions;
View Full Code Here
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
    public List<Row> scan(IndexClause clause, AbstractBounds range, IFilter dataFilter)
    {
        // Start with the most-restrictive indexed clause, then apply remaining clauses
        // to each row matching that clause.
        // TODO: allow merge join instead of just one index + loop
        IndexExpression primary = highestSelectivityPredicate(clause);
        ColumnFamilyStore indexCFS = getIndexedColumnFamilyStore(primary.column_name);
        if (logger.isDebugEnabled())
            logger.debug("Primary scan clause is " + getComparator().getString(primary.column_name));
        assert indexCFS != null;
        DecoratedKey indexKey = indexCFS.partitioner.decorateKey(primary.value);
View Full Code Here
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
        return rows;
    }

    private IndexExpression highestSelectivityPredicate(IndexClause clause)
    {
        IndexExpression best = null;
        int bestMeanCount = Integer.MAX_VALUE;
        for (IndexExpression expression : clause.expressions)
        {
            ColumnFamilyStore cfs = getIndexedColumnFamilyStore(expression.column_name);
            if (cfs == null || !expression.op.equals(IndexOperator.EQ))
View Full Code Here
TOP

Related Classes of org.apache.cassandra.thrift.IndexExpression$IndexExpressionStandardScheme

  • com.hmsonline.virgil.CassandraStorage
  • com.impetus.client.cassandra.query.CassQuery
  • com.impetus.client.cassandra.thrift.ThriftClient
  • com.netflix.jmeter.connections.thrift.Reader
  • me.prettyprint.cassandra.model.IndexedSlicesQuery
  • org.apache.cassandra.cql.QueryProcessor
  • org.apache.cassandra.cql3.statements.SelectStatement
  • org.apache.cassandra.db.CleanupTest
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.