Package com.facebook.presto.sql.tree

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

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        public PlanNode rewriteWindow(WindowNode node, WindowContext context, PlanRewriter<WindowContext> planRewriter)
        {
            if (context != null && canOptimizeWindowFunction(node, context)) {
                int limit = extractLimitOptional(node, context.getExpression()).get();
                if (node.getPartitionBy().isEmpty()) {
                    WindowContext windowContext = new WindowContext(Optional.of(node), new LongLiteral(String.valueOf(limit)));
                    PlanNode rewrittenSource = planRewriter.rewrite(node.getSource(), windowContext);
                    return new WindowNode(idAllocator.getNextId(),
                            rewrittenSource,
                            node.getPartitionBy(),
                            node.getOrderBy(),
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                    // HACK! we don't support cross joins right now, so put in a simple fake join predicate instead if all of the join clauses got simplified out
                    // TODO: remove this code when cross join support is added
                    Iterable<Expression> simplifiedJoinConjuncts = transform(extractConjuncts(newJoinPredicate), simplifyExpressions());
                    simplifiedJoinConjuncts = filter(simplifiedJoinConjuncts, not(Predicates.<Expression>equalTo(BooleanLiteral.TRUE_LITERAL)));
                    if (Iterables.isEmpty(simplifiedJoinConjuncts)) {
                        simplifiedJoinConjuncts = ImmutableList.<Expression>of(new ComparisonExpression(ComparisonExpression.Type.EQUAL, new LongLiteral("0"), new LongLiteral("0")));
                    }

                    // Create new projections for the new join clauses
                    ImmutableList.Builder<JoinNode.EquiJoinClause> builder = ImmutableList.builder();
                    for (Expression conjunct : simplifiedJoinConjuncts) {
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        if (object instanceof Expression) {
            return (Expression) object;
        }

        if (object instanceof Long) {
            return new LongLiteral(object.toString());
        }

        if (object instanceof Double) {
            Double value = (Double) object;
            if (value.isNaN()) {
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        return new QualifiedNameReference(symbol.toQualifiedName());
    }

    private static Expression number(long number)
    {
        return new LongLiteral(String.valueOf(number));
    }
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        return new QualifiedNameReference(new Symbol(symbol).toQualifiedName());
    }

    private static LongLiteral number(long number)
    {
        return new LongLiteral(String.valueOf(number));
    }
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        return new QualifiedNameReference(symbol.toQualifiedName());
    }

    private static Expression number(long number)
    {
        return new LongLiteral(String.valueOf(number));
    }
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        return new BetweenPredicate(reference(symbol), min, max);
    }

    private static LongLiteral longLiteral(long value)
    {
        return new LongLiteral(Long.toString(value));
    }
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        return new BetweenPredicate(reference(symbol), min, max);
    }

    private static LongLiteral longLiteral(long value)
    {
        return new LongLiteral(Long.toString(value));
    }
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                    // HACK! we don't support cross joins right now, so put in a simple fake join predicate instead if all of the join clauses got simplified out
                    // TODO: remove this code when cross join support is added
                    Iterable<Expression> simplifiedJoinConjuncts = transform(extractConjuncts(newJoinPredicate), simplifyExpressions());
                    simplifiedJoinConjuncts = filter(simplifiedJoinConjuncts, not(Predicates.<Expression>equalTo(BooleanLiteral.TRUE_LITERAL)));
                    if (Iterables.isEmpty(simplifiedJoinConjuncts)) {
                        simplifiedJoinConjuncts = ImmutableList.<Expression>of(new ComparisonExpression(ComparisonExpression.Type.EQUAL, new LongLiteral("0"), new LongLiteral("0")));
                    }

                    // Create new projections for the new join clauses
                    ImmutableList.Builder<JoinNode.EquiJoinClause> builder = ImmutableList.builder();
                    for (Expression conjunct : simplifiedJoinConjuncts) {
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        public PlanNode rewriteWindow(WindowNode node, WindowContext context, PlanRewriter<WindowContext> planRewriter)
        {
            if (context != null && canOptimizeWindowFunction(node, context)) {
                int limit = extractLimitOptional(node, context.getExpression()).get();
                if (node.getPartitionBy().isEmpty()) {
                    WindowContext windowContext = new WindowContext(Optional.of(node), new LongLiteral(String.valueOf(limit)));
                    PlanNode rewrittenSource = planRewriter.rewrite(node.getSource(), windowContext);
                    return new WindowNode(idAllocator.getNextId(),
                            rewrittenSource,
                            node.getPartitionBy(),
                            node.getOrderBy(),
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Related Classes of com.facebook.presto.sql.tree.LongLiteral

  • com.facebook.presto.sql.analyzer.TupleAnalyzer
  • com.facebook.presto.sql.gen.TestExpressionKey
  • com.facebook.presto.sql.parser.TestSqlParser
  • com.facebook.presto.sql.planner.DomainTranslator
  • com.facebook.presto.sql.planner.ExpressionInterpreter
  • com.facebook.presto.sql.planner.LiteralInterpreter
  • com.facebook.presto.sql.planner.optimizations.MaterializeSamplePullUp$Rewriter
  • com.facebook.presto.sql.planner.optimizations.PredicatePushDown$Rewriter
  • com.facebook.presto.sql.planner.optimizations.WindowFilterPushDown$Rewriter
  • com.facebook.presto.sql.planner.RelationPlanner
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