Package com.facebook.presto.sql.tree

Examples of com.facebook.presto.sql.tree.QualifiedNameReference

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                    .optimize(new SymbolResolver()
                    {
                        @Override
                        public Object getValue(Symbol symbol)
                        {
                            return nullSymbols.contains(symbol) ? null : new QualifiedNameReference(symbol.toQualifiedName());
                        }
                    });
        }
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        public Void visitJoin(JoinNode node, Integer indent)
        {
            List<Expression> joinExpressions = new ArrayList<>();
            for (JoinNode.EquiJoinClause clause : node.getCriteria()) {
                joinExpressions.add(new ComparisonExpression(ComparisonExpression.Type.EQUAL,
                        new QualifiedNameReference(clause.getLeft().toQualifiedName()),
                        new QualifiedNameReference(clause.getRight().toQualifiedName())));
            }

            print(indent, "- %s[%s] => [%s]", node.getType().getJoinLabel(), Joiner.on(" AND ").join(joinExpressions), formatOutputs(node.getOutputSymbols()));
            node.getLeft().accept(this, indent + 1);
            node.getRight().accept(this, indent + 1);
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                if (masks.containsKey(entry.getKey())) {
                    intermediateMask.put(intermediateSymbol, masks.get(entry.getKey()));
                }

                // rewrite final aggregation in terms of intermediate function
                finalCalls.put(entry.getKey(), new FunctionCall(function.getName(), ImmutableList.<Expression>of(new QualifiedNameReference(intermediateSymbol.toQualifiedName()))));
            }

            // create partial aggregation plan
            AggregationNode partialAggregation = new AggregationNode(idAllocator.getNextId(), plan.getRoot(), groupBy, intermediateCalls, intermediateFunctions, intermediateMask, PARTIAL);
            plan.setRoot(new SinkNode(idAllocator.getNextId(), partialAggregation, partialAggregation.getOutputSymbols()));
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                        node.getColumns(),
                        intermediateOutput);
                subPlanBuilder.setRoot(writer);

                FunctionCall aggregate = new FunctionCall(sum.getName(),
                        ImmutableList.<Expression>of(new QualifiedNameReference(intermediateOutput.toQualifiedName())));

                return addDistributedAggregation(subPlanBuilder,
                        ImmutableMap.of(node.getOutput(), aggregate),
                        ImmutableMap.of(node.getOutput(), sum.getHandle()),
                        ImmutableMap.<Symbol, Symbol>of(),
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        public Void visitJoin(JoinNode node, Void context)
        {
            List<Expression> joinExpressions = new ArrayList<>();
            for (JoinNode.EquiJoinClause clause : node.getCriteria()) {
                joinExpressions.add(new ComparisonExpression(ComparisonExpression.Type.EQUAL,
                        new QualifiedNameReference(clause.getLeft().toQualifiedName()),
                        new QualifiedNameReference(clause.getRight().toQualifiedName())));
            }

            String criteria = Joiner.on(" AND ").join(joinExpressions);
            printNode(node, node.getType().getJoinLabel(), criteria, NODE_COLORS.get(NodeType.JOIN));
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            // TODO: implement proper "using" semantics with respect to output columns
            List<String> columns = ((JoinUsing) criteria).getColumns();

            ImmutableList.Builder<EquiJoinClause> builder = ImmutableList.builder();
            for (String column : columns) {
                Expression leftExpression = new QualifiedNameReference(QualifiedName.of(column));
                Expression rightExpression = new QualifiedNameReference(QualifiedName.of(column));

                ExpressionAnalysis leftExpressionAnalysis = Analyzer.analyzeExpression(session, metadata, left, analysis, context, leftExpression);
                ExpressionAnalysis rightExpressionAnalysis = Analyzer.analyzeExpression(session, metadata, right, analysis, context, rightExpression);
                checkState(leftExpressionAnalysis.getSubqueryInPredicates().isEmpty(), "INVARIANT");
                checkState(rightExpressionAnalysis.getSubqueryInPredicates().isEmpty(), "INVARIANT");
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        return new FilterNode(newId(), source, predicate);
    }

    private static Expression symbolExpr(Symbol symbol)
    {
        return new QualifiedNameReference(symbol.toQualifiedName());
    }
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                        return new DateTime(2001, 8, 22, 3, 4, 5, 321, DateTimeZone.UTC).getMillis();
                    case "bound_pattern":
                        return Slices.wrappedBuffer("%el%".getBytes(UTF_8));
                }

                return new QualifiedNameReference(symbol.toQualifiedName());
            }
        });
    }
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                if (masks.containsKey(entry.getKey())) {
                    intermediateMask.put(intermediateSymbol, masks.get(entry.getKey()));
                }

                // rewrite final aggregation in terms of intermediate function
                finalCalls.put(entry.getKey(), new FunctionCall(function.getName(), ImmutableList.<Expression>of(new QualifiedNameReference(intermediateSymbol.toQualifiedName()))));
            }

            // create partial aggregation plan
            AggregationNode partialAggregation = new AggregationNode(idAllocator.getNextId(), plan.getRoot(), groupBy, intermediateCalls, intermediateFunctions, intermediateMask, PARTIAL, sampleWeight, confidence);
            plan.setRoot(new SinkNode(idAllocator.getNextId(), partialAggregation, partialAggregation.getOutputSymbols()));
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        return new Predicate<Map.Entry<Symbol, Expression>>()
        {
            @Override
            public boolean apply(Map.Entry<Symbol, Expression> entry)
            {
                return entry.getValue().equals(new QualifiedNameReference(entry.getKey().toQualifiedName()));
            }
        };
    }
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Related Classes of com.facebook.presto.sql.tree.QualifiedNameReference

  • com.facebook.presto.split.ExpressionUtil
  • com.facebook.presto.split.TestNativeSplitManager
  • com.facebook.presto.sql.analyzer.TupleAnalyzer
  • com.facebook.presto.sql.ExpressionUtils
  • com.facebook.presto.sql.planner.DistributedLogicalPlanner$Visitor
  • com.facebook.presto.sql.planner.DomainTranslator
  • com.facebook.presto.sql.planner.EffectivePredicateExtractor
  • com.facebook.presto.sql.planner.LocalExecutionPlanner$Visitor
  • com.facebook.presto.sql.planner.LookupSymbolResolver
  • com.facebook.presto.sql.planner.NoOpSymbolResolver
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