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

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

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        @Override
        public PlanNode rewriteFilter(FilterNode node, Void context, PlanRewriter<Void> planRewriter)
        {
            PlanNode source = planRewriter.rewrite(node.getSource(), context);

            return new FilterNode(node.getId(), source, canonicalize(node.getPredicate()));
        }
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                ComparisonExpression expression = new ComparisonExpression(
                        ComparisonExpression.Type.LESS_THAN,
                        new FunctionCall(QualifiedName.of("rand"), ImmutableList.<Expression>of()),
                        new DoubleLiteral(Double.toString(node.getSampleRatio())));
                return new FilterNode(node.getId(), rewrittenSource, expression);
            }
            else if (node.getSampleType() == SampleNode.Type.POISSONIZED) {
                return rewriteNode(node, context, planRewriter);
            }
            else if (node.getSampleType() == SampleNode.Type.SYSTEM) {
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                    .addAll(expectedOutputs)
                    .build();

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

            return new FilterNode(node.getId(), source, node.getPredicate());
        }
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        public PlanNode rewriteNode(PlanNode node, Expression inheritedPredicate, PlanRewriter<Expression> planRewriter)
        {
            PlanNode rewrittenNode = planRewriter.defaultRewrite(node, BooleanLiteral.TRUE_LITERAL);
            if (!inheritedPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
                // Drop in a FilterNode b/c we cannot push our predicate down any further
                rewrittenNode = new FilterNode(idAllocator.getNextId(), rewrittenNode, inheritedPredicate);
            }
            return rewrittenNode;
        }
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                    criteria = builder.build();
                }
                output = new JoinNode(node.getId(), node.getType(), leftSource, rightSource, criteria);
            }
            if (!postJoinPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
                output = new FilterNode(idAllocator.getNextId(), output, postJoinPredicate);
            }
            return output;
        }
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            PlanNode output = node;
            if (rewrittenSource != node.getSource() || rewrittenFilteringSource != node.getFilteringSource()) {
                output = new SemiJoinNode(node.getId(), rewrittenSource, rewrittenFilteringSource, node.getSourceJoinSymbol(), node.getFilteringSourceJoinSymbol(), node.getSemiJoinOutput());
            }
            if (!postJoinConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postJoinConjuncts));
            }
            return output;
        }
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            PlanNode output = node;
            if (rewrittenSource != node.getSource()) {
                output = new AggregationNode(node.getId(), rewrittenSource, node.getGroupBy(), node.getAggregations(), node.getFunctions(), node.getMasks(), node.getStep(), node.getSampleWeight(), node.getConfidence());
            }
            if (!postAggregationConjuncts.isEmpty()) {
                output = new FilterNode(idAllocator.getNextId(), output, combineConjuncts(postAggregationConjuncts));
            }
            return output;
        }
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                // Only overwrite the originalConstraint if it was previously null
                Expression originalConstraint = node.getOriginalConstraint() == null ? inheritedPredicate : node.getOriginalConstraint();
                output = new TableScanNode(node.getId(), node.getTable(), node.getOutputSymbols(), node.getAssignments(), originalConstraint, Optional.of(generatedPartitions));
            }
            if (!postScanPredicate.equals(BooleanLiteral.TRUE_LITERAL)) {
                output = new FilterNode(idAllocator.getNextId(), output, postScanPredicate);
            }
            return output;
        }
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                    node.getAssignments(),
                    tupleDomain);

            if (!unresolvedExpression.equals(TRUE_LITERAL)) {
                // todo it is likely we end up with redundant filters here because the predicate push down has already been run... the fix is to run predicate push down again
                source = new FilterNode(idAllocator.getNextId(), source, unresolvedExpression);
            }
            context.markSuccess();
            return source;
        }
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            PlanNode source = planRewriter.rewrite(node.getSource(), context);
            Expression canonicalized = canonicalizeExpression(node.getPredicate());
            if (canonicalized.equals(BooleanLiteral.TRUE_LITERAL)) {
                return source;
            }
            return new FilterNode(node.getId(), source, canonicalized);
        }
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Related Classes of com.facebook.presto.sql.planner.plan.FilterNode

  • com.facebook.presto.sql.planner.DistributedLogicalPlanner$Visitor
  • com.facebook.presto.sql.planner.LocalExecutionPlanner$Visitor
  • com.facebook.presto.sql.planner.optimizations.CanonicalizeExpressions$Rewriter
  • com.facebook.presto.sql.planner.optimizations.ImplementSampleAsFilter$Rewriter
  • com.facebook.presto.sql.planner.optimizations.IndexJoinOptimizer$IndexSourceRewriter
  • com.facebook.presto.sql.planner.optimizations.MaterializeSamplePullUp$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PredicatePushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PruneUnreferencedOutputs$Rewriter
  • com.facebook.presto.sql.planner.optimizations.SimplifyExpressions$Rewriter
  • com.facebook.presto.sql.planner.optimizations.UnaliasSymbolReferences$Rewriter
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