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

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

253
254
255
256
257
258
259
            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()));
    }
View Full Code Here
267
268
269
270
271
272
273
        for (Symbol symbol : alreadyCoerced) {
            projections.put(symbol, new QualifiedNameReference(symbol.toQualifiedName()));
        }

        return new PlanBuilder(translations, new ProjectNode(idAllocator.getNextId(), subPlan.getRoot(), projections.build()));
    }
View Full Code Here
463
464
465
466
467
468
469
        // Now append the new translations into the TranslationMap
        for (Map.Entry<Symbol, Expression> entry : newTranslations.build().entrySet()) {
            translations.put(entry.getValue(), entry.getKey());
        }

        return new PlanBuilder(translations, new ProjectNode(idAllocator.getNextId(), subPlan.getRoot(), projections.build()));
    }
View Full Code Here
375
376
377
378
379
380
381
        // Now append the new translations into the TranslationMap
        for (Map.Entry<Symbol, Expression> entry : newTranslations.build().entrySet()) {
            translations.put(entry.getValue(), entry.getKey());
        }

        return new PlanBuilder(translations, new ProjectNode(idAllocator.getNextId(), subPlan.getRoot(), projections.build()));
    }
View Full Code Here
140
141
142
143
144
145
146
147
148
149
150
                Symbol sampleWeightSymbol = ((MaterializeSampleNode) source).getSampleWeightSymbol();
                Map<Symbol, Expression> outputMap = ImmutableMap.<Symbol, Expression>builder()
                        .putAll(node.getOutputMap())
                        .put(sampleWeightSymbol, new QualifiedNameReference(sampleWeightSymbol.toQualifiedName()))
                        .build();
                ProjectNode projectNode = new ProjectNode(node.getId(), ((MaterializeSampleNode) source).getSource(), outputMap);
                return new MaterializeSampleNode(source.getId(), projectNode, sampleWeightSymbol);
            }
            else {
                return planRewriter.defaultRewrite(node, null);
            }
View Full Code Here
198
199
200
201
202
203
204
205
206
207
208
                ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();
                for (Symbol symbol : source.getOutputSymbols()) {
                    Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
                    projections.put(symbol, expression);
                }
                source = new ProjectNode(idAllocator.getNextId(), ((MaterializeSampleNode) source).getSource(), projections.build());
                return new DistinctLimitNode(node.getId(), source, node.getLimit());
            }
            else {
                return new DistinctLimitNode(node.getId(), source, node.getLimit());
            }
View Full Code Here
253
254
255
256
257
258
259
260
261
262
263
                    ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();
                    for (Symbol symbol : source.getOutputSymbols()) {
                        Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
                        projections.put(symbol, expression);
                    }
                    source = new ProjectNode(idAllocator.getNextId(), ((MaterializeSampleNode) source).getSource(), projections.build());
                    return new AggregationNode(node.getId(), source, node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getMasks(), Optional.<Symbol>absent(), node.getConfidence());
                }
                else {
                    return new AggregationNode(node.getId(), ((MaterializeSampleNode) source).getSource(), node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getMasks(), Optional.of(((MaterializeSampleNode) source).getSampleWeightSymbol()), node.getConfidence());
                }
View Full Code Here
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
                    projections.put(outputSampleWeight, sampleWeightExpr);
                    for (Symbol symbol : Iterables.filter(node.getOutputSymbols(), not(in(ImmutableSet.of(leftSampleWeight, rightSampleWeight))))) {
                        Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
                        projections.put(symbol, expression);
                    }
                    joinNode = new ProjectNode(idAllocator.getNextId(), joinNode, projections.build());
                }
                else {
                    outputSampleWeight = leftSampleWeight == null ? rightSampleWeight : leftSampleWeight;
                    if ((node.getType() == JoinNode.Type.LEFT && leftSampleWeight == null) || (node.getType() == JoinNode.Type.RIGHT && rightSampleWeight == null)) {
                        // There could be NULLs in the sample weight, so fix them with a projection
                        ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();
                        for (Symbol symbol : Iterables.filter(node.getOutputSymbols(), not(equalTo(outputSampleWeight)))) {
                            Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
                            projections.put(symbol, expression);
                        }
                        Expression sampleWeightExpr = oneIfNull(outputSampleWeight);
                        outputSampleWeight = symbolAllocator.newSymbol(sampleWeightExpr, BIGINT);
                        projections.put(outputSampleWeight, sampleWeightExpr);
                        joinNode = new ProjectNode(idAllocator.getNextId(), joinNode, projections.build());
                    }
                }
                return new MaterializeSampleNode(idAllocator.getNextId(), joinNode, outputSampleWeight);
            }
View Full Code Here
381
382
383
384
385
386
387
                Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
                projections.put(symbol, expression);
            }
            Expression one = new LongLiteral("1");
            projections.put(sampleWeightSymbol, one);
            return new ProjectNode(idAllocator.getNextId(), source, projections.build());
        }
View Full Code Here
79
80
81
82
83
84
85
        @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);
        }
View Full Code Here
TOP

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
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.