Package com.facebook.presto.sql.tree

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

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                return true;
            }

            if (argument instanceof QualifiedNameReference) {
                QualifiedNameReference qualifiedNameReference = (QualifiedNameReference) argument;
                QualifiedName qualifiedName = qualifiedNameReference.getName();
                Symbol argumentSymbol = Symbol.fromQualifiedName(qualifiedName);
                Expression argumentExpression = projectNode.getOutputMap().get(argumentSymbol);
                return (argumentExpression instanceof Literal) && (!(argumentExpression instanceof NullLiteral));
            }
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    protected TupleDescriptor visitShowTables(ShowTables showTables, AnalysisContext context)
    {
        String catalogName = session.getCatalog();
        String schemaName = session.getSchema();

        QualifiedName schema = showTables.getSchema();
        if (schema != null) {
            List<String> parts = schema.getParts();
            if (parts.size() > 2) {
                throw new SemanticException(INVALID_SCHEMA_NAME, showTables, "too many parts in schema name: %s", schema);
            }
            if (parts.size() == 2) {
                catalogName = parts.get(0);
            }
            schemaName = schema.getSuffix();
        }

        // TODO: throw SemanticException if schema does not exist

        Expression predicate = equal(nameReference("table_schema"), new StringLiteral(schemaName));
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        }

        if (object instanceof Double) {
            Double value = (Double) object;
            if (value.isNaN()) {
                return new FunctionCall(new QualifiedName("nan"), ImmutableList.<Expression>of());
            }
            else if (value == Double.NEGATIVE_INFINITY) {
                return new NegativeExpression(new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of()));
            }
            else if (value == Double.POSITIVE_INFINITY) {
                return new FunctionCall(new QualifiedName("infinity"), ImmutableList.<Expression>of());
            }
            else {
                return new DoubleLiteral(object.toString());
            }
        }
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                FieldOrExpression orderByExpression = null;
                if (expression instanceof QualifiedNameReference && !((QualifiedNameReference) expression).getName().getPrefix().isPresent()) {
                    // if this is a simple name reference, try to resolve against output columns

                    QualifiedName name = ((QualifiedNameReference) expression).getName();
                    Collection<Expression> expressions = byAlias.get(name);
                    if (expressions.size() > 1) {
                        throw new SemanticException(AMBIGUOUS_ATTRIBUTE, expression, "'%s' in ORDER BY is ambiguous", name.getSuffix());
                    }
                    else if (expressions.size() == 1) {
                        orderByExpression = new FieldOrExpression(Iterables.getOnlyElement(expressions));
                    }
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        Assert.assertTrue(DeterminismEvaluator.isDeterministic(function("abs", function("abs", input("symbol")))));
    }

    private static FunctionCall function(String name, Expression... inputs)
    {
        return new FunctionCall(new QualifiedName(name), Arrays.asList(inputs));
    }
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        return comparison(LESS_THAN, reference(symbol), reference(symbol));
    }

    private static Expression randPredicate(Symbol symbol)
    {
        return comparison(GREATER_THAN, reference(symbol), new FunctionCall(new QualifiedName("rand"), ImmutableList.<Expression>of()));
    }
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    }

    @Override
    public InternalAggregationFunction getFunction()
    {
        return metadata.resolveFunction(new QualifiedName("var_pop"), ImmutableList.of(StandardTypes.BIGINT), false).getAggregationFunction();
    }
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    }

    @Override
    public InternalAggregationFunction getFunction()
    {
        return metadata.resolveFunction(new QualifiedName("stddev"), ImmutableList.of(StandardTypes.DOUBLE), false).getAggregationFunction();
    }
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        return comparison(LESS_THAN, reference(symbol), reference(symbol));
    }

    private static Expression randPredicate(Symbol symbol)
    {
        return comparison(GREATER_THAN, reference(symbol), new FunctionCall(new QualifiedName("rand"), ImmutableList.<Expression>of()));
    }
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    }

    @Override
    public InternalAggregationFunction getFunction()
    {
        return metadata.resolveFunction(new QualifiedName("variance"), ImmutableList.of(StandardTypes.BIGINT), false).getAggregationFunction();
    }
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Related Classes of com.facebook.presto.sql.tree.QualifiedName

  • com.facebook.presto.metadata.QualifiedTableName
  • com.facebook.presto.metadata.TestFunctionRegistry
  • com.facebook.presto.operator.aggregation.TestDoubleStdDevAggregation
  • com.facebook.presto.operator.aggregation.TestDoubleStdDevPopAggregation
  • com.facebook.presto.operator.aggregation.TestDoubleVarianceAggregation
  • com.facebook.presto.operator.aggregation.TestDoubleVariancePopAggregation
  • com.facebook.presto.operator.aggregation.TestLongStdDevAggregation
  • com.facebook.presto.operator.aggregation.TestLongStdDevPopAggregation
  • com.facebook.presto.operator.aggregation.TestLongVarianceAggregation
  • com.facebook.presto.operator.aggregation.TestLongVariancePopAggregation
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