Package com.facebook.presto.sql.tree

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

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        return new StringLiteral(value);
    }

    private static NullLiteral nullLiteral()
    {
        return new NullLiteral();
    }
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        if (object instanceof Expression) {
            return (Expression) object;
        }

        if (object == null) {
            return new Cast(new NullLiteral(), type.getName());
        }

        if (type.equals(BIGINT)) {
            return new LongLiteral(object.toString());
        }
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        if (object instanceof Boolean) {
            return new BooleanLiteral(object.toString());
        }

        if (object == null) {
            return new NullLiteral();
        }

        throw new UnsupportedOperationException("not yet implemented: " + object.getClass().getName());
    }
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        return new StringLiteral(value);
    }

    private static NullLiteral nullLiteral()
    {
        return new NullLiteral();
    }
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        return new StringLiteral(value);
    }

    private static NullLiteral nullLiteral()
    {
        return new NullLiteral();
    }
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        if (object instanceof Expression) {
            return (Expression) object;
        }

        if (object == null) {
            return new Cast(new NullLiteral(), type.getName());
        }

        if (type.equals(BIGINT)) {
            return new LongLiteral(object.toString());
        }
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        if (object instanceof Expression) {
            return (Expression) object;
        }

        if (object == null) {
            return new Cast(new NullLiteral(), type.getName());
        }

        if (type.equals(BIGINT)) {
            return new LongLiteral(object.toString());
        }
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    @Override
    protected TypedByteCodeNode visitIfExpression(IfExpression node, CompilerContext context)
    {
        TypedByteCodeNode conditionValue = process(node.getCondition(), context);
        TypedByteCodeNode trueValue = process(node.getTrueValue(), context);
        TypedByteCodeNode falseValue = process(node.getFalseValue().or(new NullLiteral()), context);

        if (conditionValue.getType() == void.class) {
            return falseValue;
        }
        Preconditions.checkState(conditionValue.getType() == boolean.class);
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        TypedByteCodeNode elseValue;
        if (node.getDefaultValue() != null) {
            elseValue = process(node.getDefaultValue(), context);
        }
        else {
            elseValue = process(new NullLiteral(), context);
        }

        List<TypedWhenClause> whenClauses = ImmutableList.copyOf(transform(node.getWhenClauses(), new Function<WhenClause, TypedWhenClause>()
        {
            @Override
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        TypedByteCodeNode elseValue;
        if (node.getDefaultValue() != null) {
            elseValue = process(node.getDefaultValue(), context);
        }
        else {
            elseValue = process(new NullLiteral(), context);
        }
        List<TypedWhenClause> whenClauses = ImmutableList.copyOf(transform(node.getWhenClauses(), new Function<WhenClause, TypedWhenClause>()
        {
            @Override
            public TypedWhenClause apply(WhenClause whenClause)
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Related Classes of com.facebook.presto.sql.tree.NullLiteral

  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.planner.ExpressionInterpreter
  • com.facebook.presto.sql.planner.LiteralInterpreter
  • com.facebook.presto.sql.planner.TestDomainTranslator
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