Package com.facebook.presto.sql.planner.plan

Examples of com.facebook.presto.sql.planner.plan.ProjectNode

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    @Test
    public void testProject()
            throws Exception
    {
        PlanNode node = new ProjectNode(newId(),
                filter(baseTableScan,
                        and(
                                equals(AE, BE),
                                equals(BE, CE),
                                lessThan(CE, number(10)))),
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    @Test
    public void testProject()
            throws Exception
    {
        PlanNode node = new ProjectNode(newId(),
                filter(baseTableScan,
                        and(
                                equals(AE, BE),
                                equals(BE, CE),
                                lessThan(CE, number(10)))),
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        @Override
        public PlanNode rewriteProject(ProjectNode node, Void context, PlanRewriter<Void> planRewriter)
        {
            PlanNode source = planRewriter.rewrite(node.getSource(), context);
            Map<Symbol, Expression> assignments = ImmutableMap.copyOf(Maps.transformValues(node.getOutputMap(), simplifyExpressionFunction()));
            return new ProjectNode(node.getId(), source, assignments);
        }
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                        rightProjections.put(rightSymbol, rightExpression);

                        builder.add(new JoinNode.EquiJoinClause(leftSymbol, rightSymbol));
                    }

                    leftSource = new ProjectNode(idAllocator.getNextId(), leftSource, leftProjections.build());
                    rightSource = new ProjectNode(idAllocator.getNextId(), rightSource, rightProjections.build());
                    criteria = builder.build();
                }
                output = new JoinNode(node.getId(), node.getType(), leftSource, rightSource, criteria);
            }
            if (!postJoinPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
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            Map<Symbol, FunctionCall> aggregations = new LinkedHashMap<>(node.getAggregations());
            Map<Symbol, Signature> functions = new LinkedHashMap<>(node.getFunctions());

            PlanNode source = planRewriter.rewrite(node.getSource(), context);
            if (source instanceof ProjectNode) {
                ProjectNode projectNode = (ProjectNode) source;
                for (Entry<Symbol, FunctionCall> entry : node.getAggregations().entrySet()) {
                    Symbol symbol = entry.getKey();
                    FunctionCall functionCall = entry.getValue();
                    Signature signature = node.getFunctions().get(symbol);
                    if (isCountConstant(projectNode, functionCall, signature)) {
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                if (!assignments.containsKey(canonical)) {
                    assignments.put(canonical, expression);
                }
            }

            return new ProjectNode(node.getId(), source, assignments);
        }
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                }
            }

            PlanNode source = planRewriter.rewrite(node.getSource(), expectedInputs.build());

            return new ProjectNode(node.getId(), source, builder.build());
        }
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        @Override
        public SubPlanBuilder visitProject(ProjectNode node, Void context)
        {
            SubPlanBuilder current = node.getSource().accept(this, context);
            current.setRoot(new ProjectNode(node.getId(), current.getRoot(), node.getOutputMap()));
            return current;
        }
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        if (subPlan.getSampleWeight().isPresent()) {
            Symbol symbol = subPlan.getSampleWeight().get();
            projections.put(symbol, new QualifiedNameReference(symbol.toQualifiedName()));
        }

        return new PlanBuilder(outputTranslations, new ProjectNode(idAllocator.getNextId(), subPlan.getRoot(), projections.build()), subPlan.getSampleWeight());
    }
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            Expression rewritten = subPlan.rewrite(fieldOrExpression);
            projections.put(symbol, rewritten);
            translations.put(fieldOrExpression, symbol);
        }

        return new PlanBuilder(translations, new ProjectNode(idAllocator.getNextId(), subPlan.getRoot(), projections.build()), subPlan.getSampleWeight());
    }
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Related Classes of com.facebook.presto.sql.planner.plan.ProjectNode

  • com.facebook.presto.sql.planner.DistributedLogicalPlanner$Visitor
  • com.facebook.presto.sql.planner.optimizations.CanonicalizeExpressions$Rewriter
  • com.facebook.presto.sql.planner.optimizations.CountConstantOptimizer$Rewriter
  • com.facebook.presto.sql.planner.optimizations.LimitPushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.MaterializeSamplePullUp$Rewriter
  • com.facebook.presto.sql.planner.optimizations.MergeProjections$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PredicatePushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PruneRedundantProjections$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PruneUnreferencedOutputs$Rewriter
  • com.facebook.presto.sql.planner.optimizations.SimplifyExpressions$Rewriter
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