Examples with PKLookupPhase io.crate.execution.dsl.phases.PKLookupPhase used on opensource projects

Example 1 with PKLookupPhase

use of io.crate.execution.dsl.phases.PKLookupPhase in project crate by crate.

the class Get method build.

@Override
public ExecutionPlan build(PlannerContext plannerContext, Set<PlanHint> hints, ProjectionBuilder projectionBuilder, int limitHint, int offsetHint, @Nullable OrderBy order, @Nullable Integer pageSizeHint, Row params, SubQueryResults subQueryResults) {
    HashMap<String, Map<ShardId, List<PKAndVersion>>> idsByShardByNode = new HashMap<>();
    DocTableInfo docTableInfo = tableRelation.tableInfo();
    for (DocKeys.DocKey docKey : docKeys) {
        String id = docKey.getId(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults);
        if (id == null) {
            continue;
        }
        List<String> partitionValues = docKey.getPartitionValues(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults);
        String indexName = indexName(docTableInfo, partitionValues);
        String routing = docKey.getRouting(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults);
        ShardRouting shardRouting;
        try {
            shardRouting = plannerContext.resolveShard(indexName, id, routing);
        } catch (IndexNotFoundException e) {
            if (docTableInfo.isPartitioned()) {
                continue;
            }
            throw e;
        }
        String currentNodeId = shardRouting.currentNodeId();
        if (currentNodeId == null) {
            // If relocating is fast enough this will work, otherwise it will result in a shard failure which
            // will cause a statement retry
            currentNodeId = shardRouting.relocatingNodeId();
            if (currentNodeId == null) {
                throw new ShardNotFoundException(shardRouting.shardId());
            }
        }
        Map<ShardId, List<PKAndVersion>> idsByShard = idsByShardByNode.get(currentNodeId);
        if (idsByShard == null) {
            idsByShard = new HashMap<>();
            idsByShardByNode.put(currentNodeId, idsByShard);
        }
        List<PKAndVersion> pkAndVersions = idsByShard.get(shardRouting.shardId());
        if (pkAndVersions == null) {
            pkAndVersions = new ArrayList<>();
            idsByShard.put(shardRouting.shardId(), pkAndVersions);
        }
        long version = docKey.version(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults).orElse(Versions.MATCH_ANY);
        long sequenceNumber = docKey.sequenceNo(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults).orElse(SequenceNumbers.UNASSIGNED_SEQ_NO);
        long primaryTerm = docKey.primaryTerm(plannerContext.transactionContext(), plannerContext.nodeContext(), params, subQueryResults).orElse(SequenceNumbers.UNASSIGNED_PRIMARY_TERM);
        pkAndVersions.add(new PKAndVersion(id, version, sequenceNumber, primaryTerm));
    }
    var docKeyColumns = new ArrayList<>(docTableInfo.primaryKey());
    docKeyColumns.addAll(docTableInfo.partitionedBy());
    docKeyColumns.add(docTableInfo.clusteredBy());
    docKeyColumns.add(DocSysColumns.VERSION);
    docKeyColumns.add(DocSysColumns.SEQ_NO);
    docKeyColumns.add(DocSysColumns.PRIMARY_TERM);
    var binder = new SubQueryAndParamBinder(params, subQueryResults);
    List<Symbol> boundOutputs = Lists2.map(outputs, binder);
    var boundQuery = binder.apply(query);
    // Collect all columns which are used inside the query
    // If the query contains only DocKeys, no filter is needed as all DocKeys are handled by the PKLookupOperation
    AtomicBoolean requiresAdditionalFilteringOnNonDocKeyColumns = new AtomicBoolean(false);
    var toCollectSet = new LinkedHashSet<>(boundOutputs);
    Consumer<Reference> addRefIfMatch = ref -> {
        toCollectSet.add(ref);
        if (docKeyColumns.contains(ref.column()) == false) {
            requiresAdditionalFilteringOnNonDocKeyColumns.set(true);
        }
    };
    RefVisitor.visitRefs(boundQuery, addRefIfMatch);
    var toCollect = boundOutputs;
    ArrayList<Projection> projections = new ArrayList<>();
    if (requiresAdditionalFilteringOnNonDocKeyColumns.get()) {
        toCollect = List.copyOf(toCollectSet);
        var filterProjection = ProjectionBuilder.filterProjection(toCollect, boundQuery);
        filterProjection.requiredGranularity(RowGranularity.SHARD);
        projections.add(filterProjection);
        // reduce outputs which have been added for the filter projection
        var evalProjection = new EvalProjection(InputColumn.mapToInputColumns(boundOutputs), RowGranularity.SHARD);
        projections.add(evalProjection);
    }
    var collect = new Collect(new PKLookupPhase(plannerContext.jobId(), plannerContext.nextExecutionPhaseId(), docTableInfo.partitionedBy(), toCollect, idsByShardByNode), TopN.NO_LIMIT, 0, toCollect.size(), docKeys.size(), null);
    for (var projection : projections) {
        collect.addProjection(projection);
    }
    return collect;
}

Example 2 with PKLookupPhase

use of io.crate.execution.dsl.phases.PKLookupPhase in project crate by crate.

the class InsertPlannerTest method testInsertFromSubQueryESGet.

@Test
public void testInsertFromSubQueryESGet() {
    Merge merge = e.plan("insert into users (date, id, name) (select date, id, name from users where id=1)");
    Collect queryAndFetch = (Collect) merge.subPlan();
    PKLookupPhase collectPhase = ((PKLookupPhase) queryAndFetch.collectPhase());
    assertThat(collectPhase.projections().size(), is(1));
    assertThat(collectPhase.projections().get(0), instanceOf(ColumnIndexWriterProjection.class));
    ColumnIndexWriterProjection projection = (ColumnIndexWriterProjection) collectPhase.projections().get(0);
    assertThat(projection.columnReferencesExclPartition().size(), is(3));
    assertThat(projection.columnReferencesExclPartition().get(0).column().fqn(), is("date"));
    assertThat(projection.columnReferencesExclPartition().get(1).column().fqn(), is("id"));
    assertThat(projection.columnReferencesExclPartition().get(2).column().fqn(), is("name"));
    assertThat(((InputColumn) projection.ids().get(0)).index(), is(1));
    assertThat(((InputColumn) projection.clusteredBy()).index(), is(1));
    assertThat(projection.partitionedBySymbols().isEmpty(), is(true));
}