Examples with ConceptNode com.bakdata.conquery.models.query.queryplan.specific.ConceptNode used on opensource projects

Example 1 with ConceptNode

use of com.bakdata.conquery.models.query.queryplan.specific.ConceptNode in project conquery by bakdata.

the class CQConcept method createQueryPlan.

@Override
public QPNode createQueryPlan(QueryPlanContext context, ConceptQueryPlan plan) {
    final List<Aggregator<?>> conceptAggregators = createAggregators(plan, selects);
    List<QPNode> tableNodes = new ArrayList<>();
    for (CQTable table : tables) {
        List<FilterNode<?>> filters = table.getFilters().stream().map(FilterValue::createNode).collect(Collectors.toList());
        // add filter to children
        List<Aggregator<?>> aggregators = new ArrayList<>();
        aggregators.addAll(conceptAggregators);
        final List<Aggregator<?>> connectorAggregators = createAggregators(plan, table.getSelects());
        // Exists aggregators hold a reference to their parent FiltersNode so they need to be treated separately.
        // They also don't need aggregation as they simply imitate their reference.
        List<ExistsAggregator> existsAggregators = connectorAggregators.stream().filter(ExistsAggregator.class::isInstance).map(ExistsAggregator.class::cast).collect(Collectors.toList());
        aggregators.addAll(connectorAggregators);
        aggregators.removeIf(ExistsAggregator.class::isInstance);
        List<Aggregator<CDateSet>> eventDateUnionAggregators = aggregateEventDates ? List.of(new EventDateUnionAggregator(Set.of(table.getConnector().getTable()))) : Collections.emptyList();
        aggregators.addAll(eventDateUnionAggregators);
        final QPNode filtersNode = getConcept().createConceptQuery(context, filters, aggregators, eventDateUnionAggregators);
        // Link up the ExistsAggregators to the node
        existsAggregators.forEach(agg -> agg.setReference(filtersNode));
        // Select if matching secondaryId available
        final boolean hasSelectedSecondaryId = Arrays.stream(table.getConnector().getTable().getColumns()).map(Column::getSecondaryId).filter(Objects::nonNull).anyMatch(o -> Objects.equals(context.getSelectedSecondaryId(), o));
        final Column validityDateColumn = selectValidityDateColumn(table);
        final ConceptNode node = new ConceptNode(// TODO Don't set validity node, when no validity column exists. See workaround for this and remove it: https://github.com/bakdata/conquery/pull/1362
        new ValidityDateNode(validityDateColumn, filtersNode), elements, table, // if the node is excluded, don't pass it into the Node.
        !excludeFromSecondaryId && hasSelectedSecondaryId ? context.getSelectedSecondaryId() : null);
        tableNodes.add(node);
    }
    // We always merge on concept level
    final QPNode outNode = OrNode.of(tableNodes, aggregateEventDates ? DateAggregationAction.MERGE : DateAggregationAction.BLOCK);
    // Link concept-level Exists-select to outer node.
    conceptAggregators.stream().filter(aggregator -> aggregator instanceof ExistsAggregator).forEach(aggregator -> ((ExistsAggregator) aggregator).setReference(outNode));
    return outNode;
}