Package com.facebook.presto.sql.tree

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

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                PlanNode rewrittenSource = planRewriter.rewrite(node.getSource(), context);

                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);
            }
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            }
            else if (value == Double.POSITIVE_INFINITY) {
                return new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of());
            }
            else {
                return new DoubleLiteral(object.toString());
            }
        }

        if (object instanceof Slice) {
            return new StringLiteral(((Slice) object).toString(UTF_8));
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        return new LongLiteral(Long.toString(value));
    }

    private static DoubleLiteral doubleLiteral(double value)
    {
        return new DoubleLiteral(Double.toString(value));
    }
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        return new LongLiteral(Long.toString(value));
    }

    private static DoubleLiteral doubleLiteral(double value)
    {
        return new DoubleLiteral(Double.toString(value));
    }
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            }
            else if (value == Double.POSITIVE_INFINITY) {
                return new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of());
            }
            else {
                return new DoubleLiteral(object.toString());
            }
        }

        if (type.equals(VARCHAR)) {
            if (object instanceof Slice) {
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    public void testArrayConstructor()
            throws Exception
    {
        assertExpression("ARRAY []", new ArrayConstructor(ImmutableList.<Expression>of()));
        assertExpression("ARRAY [1, 2]", new ArrayConstructor(ImmutableList.<Expression>of(new LongLiteral("1"), new LongLiteral("2"))));
        assertExpression("ARRAY [1.0, 2.5]", new ArrayConstructor(ImmutableList.<Expression>of(new DoubleLiteral("1.0"), new DoubleLiteral("2.5"))));
        assertExpression("ARRAY ['hi']", new ArrayConstructor(ImmutableList.<Expression>of(new StringLiteral("hi"))));
        assertExpression("ARRAY ['hi', 'hello']", new ArrayConstructor(ImmutableList.<Expression>of(new StringLiteral("hi"), new StringLiteral("hello"))));
    }
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    @Test
    public void testDouble()
            throws Exception
    {
        assertExpression("123.", new DoubleLiteral("123"));
        assertExpression("123.0", new DoubleLiteral("123"));
        assertExpression(".5", new DoubleLiteral(".5"));
        assertExpression("123.5", new DoubleLiteral("123.5"));

        assertExpression("123E7", new DoubleLiteral("123E7"));
        assertExpression("123.E7", new DoubleLiteral("123E7"));
        assertExpression("123.0E7", new DoubleLiteral("123E7"));
        assertExpression("123E+7", new DoubleLiteral("123E7"));
        assertExpression("123E-7", new DoubleLiteral("123E-7"));

        assertExpression("123.456E7", new DoubleLiteral("123.456E7"));
        assertExpression("123.456E+7", new DoubleLiteral("123.456E7"));
        assertExpression("123.456E-7", new DoubleLiteral("123.456E-7"));

        assertExpression(".4E42", new DoubleLiteral(".4E42"));
        assertExpression(".4E+42", new DoubleLiteral(".4E42"));
        assertExpression(".4E-42", new DoubleLiteral(".4E-42"));
    }
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    {
        assertStatement("SELECT 123.456E7 FROM DUAL",
                new Query(
                        Optional.<With>absent(),
                        new QuerySpecification(
                                selectList(new DoubleLiteral("123.456E7")),
                                table(QualifiedName.of("DUAL")),
                                Optional.<Expression>absent(),
                                ImmutableList.<Expression>of(),
                                Optional.<Expression>absent(),
                                ImmutableList.<SortItem>of(),
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                        Optional.<With>absent(),
                        new Values(ImmutableList.of(
                                new Row(ImmutableList.<Expression>of(
                                        new StringLiteral("a"),
                                        new LongLiteral("1"),
                                        new DoubleLiteral("2.2")
                                )),
                                new Row(ImmutableList.<Expression>of(
                                        new StringLiteral("b"),
                                        new LongLiteral("2"),
                                        new DoubleLiteral("3.3")
                                ))
                        )),
                        ImmutableList.<SortItem>of(),
                        Optional.<String>absent(),
                        Optional.<Approximate>absent()));

        assertStatement("SELECT * FROM (VALUES ('a', 1, 2.2), ('b', 2, 3.3))",
                new Query(
                        Optional.<With>absent(),
                        new QuerySpecification(
                                selectList(new AllColumns()),
                                ImmutableList.<Relation>of(new TableSubquery(
                                        new Query(
                                                Optional.<With>absent(),
                                                new Values(ImmutableList.of(
                                                        new Row(ImmutableList.<Expression>of(
                                                                new StringLiteral("a"),
                                                                new LongLiteral("1"),
                                                                new DoubleLiteral("2.2")
                                                        )),
                                                        new Row(ImmutableList.<Expression>of(
                                                                new StringLiteral("b"),
                                                                new LongLiteral("2"),
                                                                new DoubleLiteral("3.3")
                                                        ))
                                                )),
                                                ImmutableList.<SortItem>of(),
                                                Optional.<String>absent(),
                                                Optional.<Approximate>absent()))
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            }
            else if (value == Double.POSITIVE_INFINITY) {
                return new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of());
            }
            else {
                return new DoubleLiteral(object.toString());
            }
        }

        if (type.equals(VARCHAR)) {
            if (object instanceof Slice) {
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Related Classes of com.facebook.presto.sql.tree.DoubleLiteral

  • com.facebook.presto.sql.parser.TestSqlParser
  • com.facebook.presto.sql.planner.ExpressionInterpreter
  • com.facebook.presto.sql.planner.LiteralInterpreter
  • com.facebook.presto.sql.planner.optimizations.ImplementSampleAsFilter$Rewriter
  • com.facebook.presto.sql.planner.TestDomainTranslator
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