Package org.apache.cassandra.db.columniterator

Examples of org.apache.cassandra.db.columniterator.IdentityQueryFilter

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        return schemaCFS(schemaCfName).getRangeSlice(null,
                                                     new Range<RowPosition>(minToken.minKeyBound(),
                                                                            minToken.maxKeyBound()),
                                                     Integer.MAX_VALUE,
                                                     new IdentityQueryFilter(),
                                                     null);
    }
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        CompactionManager.instance.performMaximal(cfs);
        assertEquals(1, cfs.getSSTables().size());

        // check that the shadowed column is gone
        SSTableReader sstable = cfs.getSSTables().iterator().next();
        SSTableScanner scanner = sstable.getScanner(new QueryFilter(null, new QueryPath("Super1", scName), new IdentityQueryFilter()));
        scanner.seekTo(key);
        IColumnIterator iter = scanner.next();
        assertEquals(key, iter.getKey());
        SuperColumn sc = (SuperColumn) iter.next();
        assert sc.getSubColumns().isEmpty();
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        rm.apply();

        // basic single-expression query
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows != null;
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        }

        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(34L));
        IndexExpression expr2 = new IndexExpression(ByteBufferUtil.bytes("notbirthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr, expr2), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows != null;
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        rm.add(new QueryPath("Indexed1", null, ByteBufferUtil.bytes("birthdate")), ByteBufferUtil.bytes(1L), 0);
        rm.apply();

        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = cfs.scan(clause, range, filter);
        assert rows.size() == 1 : StringUtils.join(rows, ",");
        String key = new String(rows.get(0).key.key.array(),rows.get(0).key.key.position(),rows.get(0).key.key.remaining());
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        rm.add(new QueryPath("Indexed1", null, ByteBufferUtil.bytes("birthdate")), ByteBufferUtil.bytes(2L), 2);
        rm.apply();

        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed1").scan(clause, range, filter);
        assert rows.size() == 0;
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        // basic single-expression query
        IndexExpression expr1 = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexExpression expr2 = new IndexExpression(ByteBufferUtil.bytes("notbirthdate"), IndexOperator.GT, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(new IndexExpression[]{ expr1, expr2 }), ByteBufferUtil.EMPTY_BYTE_BUFFER, 1);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = Table.open("Keyspace1").getColumnFamilyStore("Indexed1").scan(clause, range, filter);

        assert rows != null;
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    private void queryBirthdate(Table table) throws CharacterCodingException
    {
        IndexExpression expr = new IndexExpression(ByteBufferUtil.bytes("birthdate"), IndexOperator.EQ, ByteBufferUtil.bytes(1L));
        IndexClause clause = new IndexClause(Arrays.asList(expr), ByteBufferUtil.EMPTY_BYTE_BUFFER, 100);
        IFilter filter = new IdentityQueryFilter();
        IPartitioner p = StorageService.getPartitioner();
        Range range = new Range(p.getMinimumToken(), p.getMinimumToken());
        List<Row> rows = table.getColumnFamilyStore("Indexed2").scan(clause, range, filter);
        assert rows.size() == 1 : StringUtils.join(rows, ",");
        assertEquals("k1", ByteBufferUtil.string(rows.get(0).key.key));
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    {
        Token min = StorageService.getPartitioner().getMinimumToken();
        return cfs.getRangeSlice(null,
                                 new Bounds(min, min),
                                 10000,
                                 new IdentityQueryFilter());
    }
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     * return a QueryFilter object that includes every column in the row.
     * This is dangerous on large rows; avoid except for test code.
     */
    public static QueryFilter getIdentityFilter(DecoratedKey<?> key, QueryPath path)
    {
        return new QueryFilter(key, path, new IdentityQueryFilter());
    }
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Related Classes of org.apache.cassandra.db.columniterator.IdentityQueryFilter

  • org.apache.cassandra.db.CleanupTest
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.compaction.CompactionsTest
  • org.apache.cassandra.db.compaction.PrecompactedRow
  • org.apache.cassandra.db.DataRange
  • org.apache.cassandra.db.filter.QueryFilter
  • org.apache.cassandra.db.KeyCollisionTest
  • org.apache.cassandra.db.ScrubTest
  • org.apache.cassandra.db.SystemKeyspace
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