private RelationPlan createRelationPlan(Analysis analysis, Query query) { return new RelationPlanner(analysis, symbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, symbolAllocator), metadata, session) .process(query, null); }
private PlanBuilder planFrom(QuerySpecification node) { RelationPlan relationPlan; if (node.getFrom().isPresent()) { relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, metadata, session) .process(node.getFrom().get(), null); } else { relationPlan = planImplicitTable(); } return planBuilderFor(relationPlan); }
private PlanBuilder planQueryBody(Query query) { RelationPlan relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, metadata, session) .process(query.getQueryBody(), null); return planBuilderFor(relationPlan); }
private PlanBuilder createPlanBuilder(Node node) { RelationPlan relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, lambdaDeclarationToSymbolMap, metadata, session) .process(node, null); TranslationMap translations = new TranslationMap(relationPlan, analysis, lambdaDeclarationToSymbolMap); // Make field->symbol mapping from underlying relation plan available for translations // This makes it possible to rewrite FieldOrExpressions that reference fields from the FROM clause directly translations.setFieldMappings(relationPlan.getFieldMappings()); if (node instanceof Expression && relationPlan.getFieldMappings().size() == 1) { translations.put((Expression) node, getOnlyElement(relationPlan.getFieldMappings())); } return new PlanBuilder(translations, relationPlan.getRoot(), analysis.getParameters()); }
private RelationPlan createRelationPlan(Analysis analysis, Query query) { return new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session) .process(query, null); }
private RelationPlan createRelationPlan(SubqueryExpression subqueryExpression) { return new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session) .process(subqueryExpression.getQuery(), null); }
private PlanBuilder planFrom(QuerySpecification node) { RelationPlan relationPlan; if (node.getFrom().isPresent()) { relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session) .process(node.getFrom().get(), null); } else { relationPlan = planImplicitTable(); } TranslationMap translations = new TranslationMap(relationPlan, analysis); // Make field->symbol mapping from underlying relation plan available for translations // This makes it possible to rewrite FieldOrExpressions that reference fields from the FROM clause directly translations.setFieldMappings(relationPlan.getOutputSymbols()); return new PlanBuilder(translations, relationPlan.getRoot(), relationPlan.getSampleWeight()); }
private PlanBuilder planQueryBody(Query query) { RelationPlan relationPlan = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session) .process(query.getQueryBody(), null); TranslationMap translations = new TranslationMap(relationPlan, analysis); // Make field->symbol mapping from underlying relation plan available for translations // This makes it possible to rewrite FieldOrExpressions that reference fields from the QuerySpecification directly translations.setFieldMappings(relationPlan.getOutputSymbols()); return new PlanBuilder(translations, relationPlan.getRoot(), relationPlan.getSampleWeight()); }
private PlanBuilder appendSemiJoin(PlanBuilder subPlan, InPredicate inPredicate) { TranslationMap translations = new TranslationMap(subPlan.getRelationPlan(), analysis); translations.copyMappingsFrom(subPlan.getTranslations()); subPlan = appendProjections(subPlan, ImmutableList.of(inPredicate.getValue())); Symbol sourceJoinSymbol = subPlan.translate(inPredicate.getValue()); checkState(inPredicate.getValueList() instanceof SubqueryExpression); SubqueryExpression subqueryExpression = (SubqueryExpression) inPredicate.getValueList(); RelationPlanner relationPlanner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session); RelationPlan valueListRelation = relationPlanner.process(subqueryExpression.getQuery(), null); Symbol filteringSourceJoinSymbol = Iterables.getOnlyElement(valueListRelation.getRoot().getOutputSymbols()); Symbol semiJoinOutputSymbol = symbolAllocator.newSymbol("semijoinresult", BOOLEAN); translations.put(inPredicate, semiJoinOutputSymbol); return new PlanBuilder(translations, new SemiJoinNode(idAllocator.getNextId(), subPlan.getRoot(), valueListRelation.getRoot(), sourceJoinSymbol, filteringSourceJoinSymbol, semiJoinOutputSymbol, Optional.empty(), Optional.empty()), subPlan.getSampleWeight()); }
RelationPlanner relationPlanner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session); RelationPlan valueListRelation = relationPlanner.process(subqueryExpression.getQuery(), null); Symbol filteringSourceJoinSymbol = getOnlyElement(valueListRelation.getRoot().getOutputSymbols());