Package org.apache.phoenix.compile

Examples of org.apache.phoenix.compile.ScanRanges

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            Mutation m = miniBatchOp.getOperation(i).getFirst();
            keys.add(PDataType.VARBINARY.getKeyRange(m.getRow()));
            maintainers.addAll(getCodec().getIndexMaintainers(m.getAttributesMap()));
        }
        Scan scan = IndexManagementUtil.newLocalStateScan(maintainers);
        ScanRanges scanRanges = ScanRanges.create(SchemaUtil.VAR_BINARY_SCHEMA, Collections.singletonList(keys), ScanUtil.SINGLE_COLUMN_SLOT_SPAN);
        scanRanges.setScanStartStopRow(scan);
        scan.setFilter(scanRanges.getSkipScanFilter());
        HRegion region = this.env.getRegion();
        RegionScanner scanner = region.getScanner(scan);
        // Run through the scanner using internal nextRaw method
        MultiVersionConsistencyControl.setThreadReadPoint(scanner.getMvccReadPoint());
        region.startRegionOperation();
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    public static ScanRanges newScanRanges(List<Mutation> mutations) throws SQLException {
        List<KeyRange> keys = Lists.newArrayListWithExpectedSize(mutations.size());
        for (Mutation m : mutations) {
            keys.add(PDataType.VARBINARY.getKeyRange(m.getRow()));
        }
        ScanRanges keyRanges = ScanRanges.create(SchemaUtil.VAR_BINARY_SCHEMA, Collections.singletonList(keys), ScanUtil.SINGLE_COLUMN_SLOT_SPAN);
        return keyRanges;
    }
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        ImmutableBytesPtr[] joinIds = joinInfo.getJoinIds();
        assert (joinIds.length == hashExpressions.length && joinIds.length == hashPlans.length);

        final HashCacheClient hashClient = new HashCacheClient(plan.getContext().getConnection());
        Scan scan = plan.getContext().getScan();
        final ScanRanges ranges = plan.getContext().getScanRanges();

        int count = joinIds.length;
        ConnectionQueryServices services = getContext().getConnection().getQueryServices();
        ExecutorService executor = services.getExecutor();
        List<Future<ServerCache>> futures = new ArrayList<Future<ServerCache>>(count);
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        this.tableRef = table;
        this.groupBy = groupBy;
    }

    private boolean explainSkipScan(StringBuilder buf) {
        ScanRanges scanRanges = context.getScanRanges();
        if (scanRanges.isPointLookup()) {
            int keyCount = scanRanges.getPointLookupCount();
            buf.append("POINT LOOKUP ON " + keyCount + " KEY" + (keyCount > 1 ? "S " : " "));
        } else if (scanRanges.useSkipScanFilter()) {
            buf.append("SKIP SCAN ");
            int count = 1;
            boolean hasRanges = false;
            for (List<KeyRange> ranges : scanRanges.getRanges()) {
                count *= ranges.size();
                for (KeyRange range : ranges) {
                    hasRanges |= !range.isSingleKey();
                }
            }
            buf.append("ON ");
            buf.append(count);
            buf.append(hasRanges ? " RANGE" : " KEY");
            buf.append(count > 1 ? "S " : " ");
        } else {
            buf.append("RANGE SCAN ");
        }
        return scanRanges.useSkipScanFilter();
    }
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        return scanRanges.useSkipScanFilter();
    }
   
    protected void explain(String prefix, List<String> planSteps) {
        StringBuilder buf = new StringBuilder(prefix);
        ScanRanges scanRanges = context.getScanRanges();
        boolean hasSkipScanFilter = false;
        if (scanRanges.isEverything()) {
            buf.append("FULL SCAN ");
        } else {
            hasSkipScanFilter = explainSkipScan(buf);
        }
        buf.append("OVER " + tableRef.getTable().getPhysicalName().getString());
        if (!scanRanges.isPointLookup()) {
            appendKeyRanges(buf);
        }
        planSteps.add(buf.toString());
       
        Scan scan = context.getScan();
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        }
        if (range.length == 0) {
            buf.append('*');
            return;
        }
        ScanRanges scanRanges = context.getScanRanges();
        PDataType type = scanRanges.getSchema().getField(slotIndex).getDataType();
        SortOrder sortOrder = tableRef.getTable().getPKColumns().get(slotIndex).getSortOrder();
        if (sortOrder == SortOrder.DESC) {
            buf.append('~');
            range = SortOrder.invert(range, 0, new byte[range.length], 0, range.length);
        }
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        }
       
    }
   
    private void appendScanRow(StringBuilder buf, Bound bound) {
        ScanRanges scanRanges = context.getScanRanges();
        KeyRange minMaxRange = context.getMinMaxRange();
        Iterator<byte[]> minMaxIterator = Iterators.emptyIterator();
        if (minMaxRange != null) {
            RowKeySchema schema = tableRef.getTable().getRowKeySchema();
            if (!minMaxRange.isUnbound(bound)) {
                minMaxIterator = new RowKeyValueIterator(schema, minMaxRange.getRange(bound));
            }
        }
        int nRanges = scanRanges.getRanges().size();
        for (int i = 0, minPos = 0; minPos < nRanges || minMaxIterator.hasNext(); i++) {
            List<KeyRange> ranges = minPos >= nRanges ? EVERYTHING :  scanRanges.getRanges().get(minPos++);
            KeyRange range = bound == Bound.LOWER ? ranges.get(0) : ranges.get(ranges.size()-1);
            byte[] b = range.getRange(bound);
            Boolean isNull = KeyRange.IS_NULL_RANGE == range ? Boolean.TRUE : KeyRange.IS_NOT_NULL_RANGE == range ? Boolean.FALSE : null;
            if (minMaxIterator.hasNext()) {
                byte[] bMinMax = minMaxIterator.next();
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            buf.append(',');
        }
    }
   
    private void appendKeyRanges(StringBuilder buf) {
        ScanRanges scanRanges = context.getScanRanges();
        KeyRange minMaxRange = context.getMinMaxRange();
        if (minMaxRange == null && (scanRanges == ScanRanges.EVERYTHING || scanRanges == ScanRanges.NOTHING)) {
            return;
        }
        buf.append(" [");
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        List<List<KeyRange>> slots = Lists.transform(Lists.newArrayList(ranges), ARRAY_TO_LIST);
        SkipScanFilter filter = new SkipScanFilter(slots, schema);
        // Always set start and stop key to max to verify we are using the information in skipscan
        // filter over the scan's KMIN and KMAX.
        Scan scan = new Scan().setFilter(filter).setStartRow(KeyRange.UNBOUND).setStopRow(KeyRange.UNBOUND);
        ScanRanges scanRanges = ScanRanges.create(schema, slots, ScanUtil.getDefaultSlotSpans(ranges.length));
        List<Object> ret = Lists.newArrayList();
        ret.add(new Object[] {scan, scanRanges, Arrays.<KeyRange>asList(expectedSplits)});
        return ret;
    }
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    public static ScanRanges newScanRanges(List<Mutation> mutations) throws SQLException {
        List<KeyRange> keys = Lists.newArrayListWithExpectedSize(mutations.size());
        for (Mutation m : mutations) {
            keys.add(PDataType.VARBINARY.getKeyRange(m.getRow()));
        }
        ScanRanges keyRanges = ScanRanges.create(Collections.singletonList(keys), SchemaUtil.VAR_BINARY_SCHEMA);
        return keyRanges;
    }
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Related Classes of org.apache.phoenix.compile.ScanRanges

  • org.apache.phoenix.end2end.SkipRangeParallelIteratorRegionSplitterIT
  • org.apache.phoenix.end2end.SkipRangeParallelIteratorRegionSplitterTest
  • org.apache.phoenix.execute.HashJoinPlan
  • org.apache.phoenix.filter.SkipScanFilter
  • org.apache.phoenix.index.PhoenixIndexBuilder
  • org.apache.phoenix.iterate.ExplainTable
  • org.apache.phoenix.query.ConnectionQueryServicesImpl
  • org.apache.phoenix.util.ScanUtil
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