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

com.facebook.presto.sql.tree.QualifiedNameReference

        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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        ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();


        // add an identity projection for underlying plan
        for (Symbol symbol : subPlan.getRoot().getOutputSymbols()) {
            Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
            projections.put(symbol, expression);
        }


        ImmutableMap.Builder<Symbol, Expression> newTranslations = ImmutableMap.builder();
        for (Expression expression : expressions) {

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        ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();


        // add an identity projection for underlying plan
        for (Symbol symbol : subPlan.getRoot().getOutputSymbols()) {
            Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
            projections.put(symbol, expression);
        }


        ImmutableMap.Builder<Symbol, Expression> newTranslations = ImmutableMap.builder();
        for (Expression expression : expressions) {

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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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                        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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        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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                new Function<Map.Entry<Symbol, Expression>, Expression>()
                {
                    @Override
                    public Expression apply(Map.Entry<Symbol, Expression> entry)
                    {
                        QualifiedNameReference reference = new QualifiedNameReference(entry.getKey().toQualifiedName());
                        Expression expression = entry.getValue();
                        return new ComparisonExpression(ComparisonExpression.Type.EQUAL, reference, expression);
                    }
                });

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        Expression rightPredicate = node.getRight().accept(this, context);


        List<Expression> joinConjuncts = new ArrayList<>();
        for (JoinNode.EquiJoinClause clause : node.getCriteria()) {
            joinConjuncts.add(new ComparisonExpression(ComparisonExpression.Type.EQUAL,
                    new QualifiedNameReference(clause.getLeft().toQualifiedName()),
                    new QualifiedNameReference(clause.getRight().toQualifiedName())));
        }


        switch (node.getType()) {
            case INNER:
            case CROSS:

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        ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();


        // add an identity projection for underlying plan
        for (Symbol symbol : subPlan.getRoot().getOutputSymbols()) {
            Expression expression = new QualifiedNameReference(symbol.toQualifiedName());
            projections.put(symbol, expression);
        }


        ImmutableMap.Builder<Symbol, Expression> newTranslations = ImmutableMap.builder();
        for (Expression expression : expressions) {

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            {
                @Override
                public Expression rewriteQualifiedNameReference(QualifiedNameReference node, Void context, ExpressionTreeRewriter<Void> treeRewriter)
                {
                    Symbol canonical = canonicalize(Symbol.fromQualifiedName(node.getName()));
                    return new QualifiedNameReference(canonical.toQualifiedName());
                }
            }, value);
        }

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