Package com.facebook.presto.sql.tree

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

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        if (!metadata.getTableHandle(session, tableName).isPresent()) {
            throw new SemanticException(MISSING_TABLE, showColumns, "Table '%s' does not exist", tableName);
        }

        Query query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectList(
                                aliasedName("column_name", "Column"),
                                aliasedName("data_type", "Type"),
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            Expression function = functionCall("max", value);
            selectList.add(new SingleColumn(function, column.getName()));
            wrappedList.add(unaliasedName(column.getName()));
        }

        Query query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectAll(selectList.build()),
                        table(QualifiedName.of(table.getCatalogName(), TABLE_INTERNAL_PARTITIONS.getSchemaName(), TABLE_INTERNAL_PARTITIONS.getTableName())),
                        Optional.of(logicalAnd(
                                equal(nameReference("table_schema"), new StringLiteral(table.getSchemaName())),
                                equal(nameReference("table_name"), new StringLiteral(table.getTableName())))),
                        ImmutableList.of(nameReference("partition_number")),
                        Optional.<Expression>absent(),
                        ImmutableList.<SortItem>of(),
                        Optional.<String>absent()),
                ImmutableList.<SortItem>of(),
                Optional.<String>absent(),
                Optional.<Approximate>absent());

        query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectAll(wrappedList.build()),
                        subquery(query),
                        showPartitions.getWhere(),
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    }

    @Override
    protected TupleDescriptor visitShowFunctions(ShowFunctions node, AnalysisContext context)
    {
        Query query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectList(
                                aliasedName("function_name", "Function"),
                                aliasedName("return_type", "Return Type"),
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            }
        }

        String queryPlan = getQueryPlan(node, planType, planFormat);

        Query query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectList(
                                new SingleColumn(new StringLiteral(queryPlan), "Query Plan")),
                        null,
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        for (WithQuery withQuery : with.getQueries()) {
            if (withQuery.getColumnNames() != null && !withQuery.getColumnNames().isEmpty()) {
                throw new SemanticException(NOT_SUPPORTED, withQuery, "Column alias not supported in WITH queries");
            }

            Query query = withQuery.getQuery();
            process(query, context);

            String name = withQuery.getName();
            if (context.isNamedQueryDeclared(name)) {
                throw new SemanticException(DUPLICATE_RELATION, withQuery, "WITH query name '%s' specified more than once", name);
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    {
        if (!table.getName().getPrefix().isPresent()) {
            // is this a reference to a WITH query?
            String name = table.getName().getSuffix();

            Query query = context.getNamedQuery(name);
            if (query != null) {
                analysis.registerNamedQuery(table, query);

                // re-alias the fields with the name assigned to the query in the WITH declaration
                TupleDescriptor queryDescriptor = analysis.getOutputDescriptor(query);
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        namedQueries.put(name, query);
    }

    public Query getNamedQuery(String name)
    {
        Query result = namedQueries.get(name);

        if (result == null && parent != null) {
            return parent.getNamedQuery(name);
        }
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    @Override
    protected RelationPlan visitTable(Table node, Void context)
    {
        if (!node.getName().getPrefix().isPresent()) {
            Query namedQuery = analysis.getNamedQuery(node);
            if (namedQuery != null) {
                RelationPlan subPlan = process(namedQuery, null);
                return new RelationPlan(subPlan.getRoot(), analysis.getOutputDescriptor(node), subPlan.getOutputSymbols());
            }
        }
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    {
        if (!table.getName().getPrefix().isPresent()) {
            // is this a reference to a WITH query?
            String name = table.getName().getSuffix();

            Query query = context.getNamedQuery(name);
            if (query != null) {
                analysis.registerNamedQuery(table, query);

                // re-alias the fields with the name assigned to the query in the WITH declaration
                TupleDescriptor queryDescriptor = analysis.getOutputDescriptor(query);
                ImmutableList.Builder<Field> fields = ImmutableList.builder();
                for (Field field : queryDescriptor.getAllFields()) {
                    fields.add(Field.newQualified(QualifiedName.of(name), field.getName(), field.getType(), false));
                }

                TupleDescriptor descriptor = new TupleDescriptor(fields.build());
                analysis.setOutputDescriptor(table, descriptor);
                return descriptor;
            }
        }

        QualifiedTableName name = MetadataUtil.createQualifiedTableName(session, table.getName());

        Optional<ViewDefinition> optionalView = metadata.getView(session, name);
        if (optionalView.isPresent()) {
            ViewDefinition view = optionalView.get();

            Query query = parseView(view.getOriginalSql(), name, table);

            analysis.registerNamedQuery(table, query);

            TupleDescriptor descriptor = analyzeView(query, name, view.getCatalog(), view.getSchema(), table);
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        if (likePattern != null) {
            Expression likePredicate = new LikePredicate(nameReference("table_name"), new StringLiteral(likePattern), null);
            predicate = logicalAnd(predicate, likePredicate);
        }

        Query query = new Query(
                Optional.<With>absent(),
                new QuerySpecification(
                        selectList(aliasedName("table_name", "Table")),
                        table(QualifiedName.of(catalogName, TABLE_TABLES.getSchemaName(), TABLE_TABLES.getTableName())),
                        Optional.of(predicate),
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Related Classes of com.facebook.presto.sql.tree.Query

  • com.facebook.presto.execution.CreateViewTask
  • com.facebook.presto.sql.analyzer.AnalysisContext
  • com.facebook.presto.sql.analyzer.StatementAnalyzer
  • com.facebook.presto.sql.analyzer.TupleAnalyzer
  • com.facebook.presto.sql.parser.TestSqlParser
  • com.facebook.presto.sql.planner.RelationPlanner
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