Package org.apache.phoenix.iterate

Examples of org.apache.phoenix.iterate.OrderedResultIterator$NthKey

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        @Override
        public PeekingResultIterator newIterator(StatementContext context, ResultIterator scanner, Scan scan) throws SQLException {
            Expression expression = RowKeyExpression.INSTANCE;
            OrderByExpression orderByExpression = new OrderByExpression(expression, false, true);
            int threshold = services.getProps().getInt(QueryServices.SPOOL_THRESHOLD_BYTES_ATTRIB, QueryServicesOptions.DEFAULT_SPOOL_THRESHOLD_BYTES);
            return new OrderedResultIterator(scanner, Collections.<OrderByExpression>singletonList(orderByExpression), threshold);
        }
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                OrderByExpression orderByExpression = new OrderByExpression();
                orderByExpression.readFields(input);
                orderByExpressions.add(orderByExpression);
            }
            ResultIterator inner = new RegionScannerResultIterator(s);
            return new OrderedResultIterator(inner, orderByExpressions, thresholdBytes, limit >= 0 ? limit : null, estimatedRowSize);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            try {
                stream.close();
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        RegionScanner innerScanner = s;
        if (p != null || j != null) {
            innerScanner = new HashJoinRegionScanner(s, p, j, tenantId, c.getEnvironment());
        }
       
        final OrderedResultIterator iterator = deserializeFromScan(scan,innerScanner);
        List<KeyValueColumnExpression> arrayKVRefs = new ArrayList<KeyValueColumnExpression>();
        Expression[] arrayFuncRefs = deserializeArrayPostionalExpressionInfoFromScan(
                scan, innerScanner, arrayKVRefs);
        innerScanner = getWrappedScanner(c, innerScanner, arrayKVRefs, arrayFuncRefs);
        if (iterator == null) {
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        @Override
        public PeekingResultIterator newIterator(ResultIterator scanner) throws SQLException {
            Expression expression = RowKeyExpression.INSTANCE;
            OrderByExpression orderByExpression = new OrderByExpression(expression, false, true);
            int threshold = services.getProps().getInt(QueryServices.SPOOL_THRESHOLD_BYTES_ATTRIB, QueryServicesOptions.DEFAULT_SPOOL_THRESHOLD_BYTES);
            return new OrderedResultIterator(scanner, Collections.<OrderByExpression>singletonList(orderByExpression), threshold);
        }
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                OrderByExpression orderByExpression = new OrderByExpression();
                orderByExpression.readFields(input);
                orderByExpressions.add(orderByExpression);
            }
            ResultIterator inner = new RegionScannerResultIterator(s);
            return new OrderedResultIterator(inner, orderByExpressions, thresholdBytes, limit >= 0 ? limit : null, estimatedRowSize);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            try {
                stream.close();
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            return s;
        }
       
        final ScanProjector p = ScanProjector.deserializeProjectorFromScan(scan);
        final HashJoinInfo j = HashJoinInfo.deserializeHashJoinFromScan(scan);
        final OrderedResultIterator iterator = deserializeFromScan(scan,s);
        final ImmutableBytesWritable tenantId = ScanUtil.getTenantId(scan);
       
        RegionScanner innerScanner = s;
        if (p != null || j != null) {
            innerScanner = new HashJoinRegionScanner(s, p, j, tenantId, c.getEnvironment());
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                OrderByExpression orderByExpression = new OrderByExpression();
                orderByExpression.readFields(input);
                orderByExpressions.add(orderByExpression);
            }
            ResultIterator inner = new RegionScannerResultIterator(s);
            return new OrderedResultIterator(inner, orderByExpressions, thresholdBytes, limit >= 0 ? limit : null, estimatedRowSize);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            try {
                stream.close();
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        RegionScanner innerScanner = s;
        if (p != null || j != null) {
            innerScanner = new HashJoinRegionScanner(s, p, j, tenantId, c.getEnvironment());
        }
       
        final OrderedResultIterator iterator = deserializeFromScan(scan,innerScanner);
        List<KeyValueColumnExpression> arrayKVRefs = new ArrayList<KeyValueColumnExpression>();
        Expression[] arrayFuncRefs = deserializeArrayPostionalExpressionInfoFromScan(
                scan, innerScanner, arrayKVRefs);
        innerScanner = getWrappedScanner(c, innerScanner, arrayKVRefs, arrayFuncRefs);
        if (iterator == null) {
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                OrderByExpression orderByExpression = new OrderByExpression();
                orderByExpression.readFields(input);
                orderByExpressions.add(orderByExpression);
            }
            ResultIterator inner = new RegionScannerResultIterator(s);
            return new OrderedResultIterator(inner, orderByExpressions, thresholdBytes, limit >= 0 ? limit : null, estimatedRowSize);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            try {
                stream.close();
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            viewConstants = IndexUtil.deserializeViewConstantsFromScan(scan);
        }
        innerScanner =
                getWrappedScanner(c, innerScanner, arrayKVRefs, arrayFuncRefs, offset, scan,
                    dataColumns, tupleProjector, dataRegion, indexMaintainer, viewConstants);
        final OrderedResultIterator iterator = deserializeFromScan(scan,innerScanner); 
        if (iterator == null) {
            return innerScanner;
        }
        // TODO:the above wrapped scanner should be used here also
        return getTopNScanner(c, innerScanner, iterator, tenantId);
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Related Classes of org.apache.phoenix.iterate.OrderedResultIterator$NthKey

  • org.apache.hadoop.hbase.io.ImmutableBytesWritable
  • org.apache.phoenix.coprocessor.ScanRegionObserver
  • org.apache.phoenix.execute.AggregatePlan$OrderingResultIteratorFactory
  • java.sql.SQLException
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