Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.TableMetadata

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        QualifiedTableName destination = analysis.getCreateTableDestination().get();

        RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session);
        RelationPlan plan = planner.process(analysis.getQuery(), null);

        TableMetadata tableMetadata = createTableMetadata(destination, getTableColumns(plan));

        ImmutableList<Symbol> writerOutputs = ImmutableList.of(
                symbolAllocator.newSymbol("partialrows", BIGINT),
                symbolAllocator.newSymbol("fragment", VARCHAR));
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    private TableMetadata createTableMetadata(QualifiedTableName table, List<ColumnMetadata> columns)
    {
        String owner = session.getUser();
        ConnectorTableMetadata metadata = new ConnectorTableMetadata(table.asSchemaTableName(), columns, owner);
        // TODO: first argument should actually be connectorId
        return new TableMetadata(table.getCatalogName(), metadata);
    }
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        @Override
        public Void visitTableScan(TableScanNode node, Void context)
        {
            TupleDomain<ColumnHandle> partitionsDomainSummary = node.getPartitionsDomainSummary();
            TableMetadata tableMetadata = metadata.getTableMetadata(node.getTable());

            ImmutableList.Builder<Column> columnBuilder = ImmutableList.builder();

            for (Map.Entry<Symbol, ColumnHandle> entry : node.getAssignments().entrySet()) {
                ColumnMetadata columnMetadata = metadata.getColumnMetadata(node.getTable(), entry.getValue());
                Domain domain = null;
                if (!partitionsDomainSummary.isNone() && partitionsDomainSummary.getDomains().containsKey(entry.getValue())) {
                    domain = partitionsDomainSummary.getDomains().get(entry.getValue());
                }
                else if (partitionsDomainSummary.isNone()) {
                    domain = Domain.none(columnMetadata.getType().getJavaType());
                }
                Column column = new Column(
                        columnMetadata.getName(),
                        columnMetadata.getType().toString(),
                        Optional.fromNullable(SimpleDomain.fromDomain(domain)));
                columnBuilder.add(column);
            }
            Input input = new Input(
                    tableMetadata.getConnectorId(),
                    tableMetadata.getTable().getSchemaName(),
                    tableMetadata.getTable().getTableName(),
                    columnBuilder.build());
            inputBuilder.add(input);
            return null;
        }
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        }

        @Override
        public Void visitIndexSource(IndexSourceNode node, Void context)
        {
            TableMetadata tableMetadata = metadata.getTableMetadata(node.getTableHandle());

            ImmutableList.Builder<Column> columnBuilder = ImmutableList.builder();

            for (Map.Entry<Symbol, ColumnHandle> entry : node.getAssignments().entrySet()) {
                ColumnMetadata columnMetadata = metadata.getColumnMetadata(node.getTableHandle(), entry.getValue());
                Domain domain = null;
                if (!node.getEffectiveTupleDomain().isNone() && node.getEffectiveTupleDomain().getDomains().containsKey(entry.getValue())) {
                    domain = node.getEffectiveTupleDomain().getDomains().get(entry.getValue());
                }
                else if (node.getEffectiveTupleDomain().isNone()) {
                    domain = Domain.none(columnMetadata.getType().getJavaType());
                }
                Column column = new Column(
                        columnMetadata.getName(),
                        columnMetadata.getType().toString(),
                        Optional.fromNullable(SimpleDomain.fromDomain(domain)));
                columnBuilder.add(column);
            }
            Input input = new Input(
                    tableMetadata.getConnectorId(),
                    tableMetadata.getTable().getSchemaName(),
                    tableMetadata.getTable().getTableName(),
                    columnBuilder.build());
            inputBuilder.add(input);
            return null;
        }
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            if (!metadata.listSchemaNames(session, name.getCatalogName()).contains(name.getSchemaName())) {
                throw new SemanticException(MISSING_SCHEMA, table, "Schema %s does not exist", name.getSchemaName());
            }
            throw new SemanticException(MISSING_TABLE, table, "Table %s does not exist", name);
        }
        TableMetadata tableMetadata = metadata.getTableMetadata(tableHandle.get());
        Map<String, ColumnHandle> columns = metadata.getColumnHandles(tableHandle.get());

        // TODO: discover columns lazily based on where they are needed (to support datasources that can't enumerate all tables)
        ImmutableList.Builder<Field> fields = ImmutableList.builder();
        for (ColumnMetadata column : tableMetadata.getColumns()) {
            Field field = Field.newQualified(table.getName(), Optional.of(column.getName()), column.getType());
            fields.add(field);
            analysis.setColumn(field, columns.get(column.getName()));
        }
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                        node.getColumns(),
                        node.getColumnNames(),
                        node.getOutputSymbols(),
                        Optional.of(((MaterializeSampleNode) source).getSampleWeightSymbol()),
                        node.getCatalog(),
                        new TableMetadata(node.getTableMetadata().getConnectorId(), connectorTableMetadata),
                        node.isSampleWeightSupported());
            }
            else {
                return planRewriter.defaultRewrite(node, null);
            }
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    {
        MetadataManager metadata = new MetadataManager();
        metadata.addConnectorMetadata("tpch", "tpch", new InMemoryMetadata());

        SchemaTableName table1 = new SchemaTableName("default", "t1");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table1,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false),
                        new ColumnMetadata("c", ColumnType.LONG, 2, false),
                        new ColumnMetadata("d", ColumnType.LONG, 3, false)))));

        SchemaTableName table2 = new SchemaTableName("default", "t2");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table2,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false)))));

        SchemaTableName table3 = new SchemaTableName("default", "t3");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table3,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false)))));

        analyzer = new Analyzer(new Session("user", "test", "tpch", "default", null, null), metadata, Optional.<QueryExplainer>absent());
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        nodeManager.addNode("native", new Node(nodeName, new URI("http://127.0.0.1/"), NodeVersion.UNKNOWN));

        MetadataManager metadataManager = new MetadataManager();
        metadataManager.addConnectorMetadata("local", "local", new NativeMetadata("native", dbi));

        tableHandle = metadataManager.createTable("local", new TableMetadata("local", TEST_TABLE));
        dsColumnHandle = metadataManager.getColumnHandle(tableHandle, "ds").get();
        fooColumnHandle = metadataManager.getColumnHandle(tableHandle, "foo").get();
        symbols = ImmutableMap.<Symbol, ColumnHandle>of(new Symbol("foo"), fooColumnHandle, new Symbol("ds"), dsColumnHandle);

        long shardId1 = shardManager.allocateShard(tableHandle);
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    {
        MetadataManager metadata = new MetadataManager();
        metadata.addConnectorMetadata("tpch", "tpch", new InMemoryMetadata());

        SchemaTableName table1 = new SchemaTableName("default", "t1");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table1,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false),
                        new ColumnMetadata("c", ColumnType.LONG, 2, false),
                        new ColumnMetadata("d", ColumnType.LONG, 3, false)))));

        SchemaTableName table2 = new SchemaTableName("default", "t2");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table2,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false)))));

        SchemaTableName table3 = new SchemaTableName("default", "t3");
        metadata.createTable("tpch", new TableMetadata("tpch", new ConnectorTableMetadata(table3,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", ColumnType.LONG, 0, false),
                        new ColumnMetadata("b", ColumnType.LONG, 1, false)))));

        analyzer = new Analyzer(new Session("user", "test", "tpch", "default", null, null), metadata, Optional.<QueryExplainer>absent());
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                throw new SemanticException(MISSING_TABLE, table, "DUAL table is no longer supported. Please use VALUES or FROM-less queries instead");
            }

            throw new SemanticException(MISSING_TABLE, table, "Table %s does not exist", name);
        }
        TableMetadata tableMetadata = metadata.getTableMetadata(tableHandle.get());
        Map<String, ColumnHandle> columnHandles = metadata.getColumnHandles(tableHandle.get());

        // TODO: discover columns lazily based on where they are needed (to support datasources that can't enumerate all tables)
        ImmutableList.Builder<Field> fields = ImmutableList.builder();
        for (ColumnMetadata column : tableMetadata.getColumns()) {
            Field field = Field.newQualified(table.getName(), Optional.of(column.getName()), column.getType(), column.isHidden());
            fields.add(field);
            ColumnHandle columnHandle = columnHandles.get(column.getName());
            checkArgument(columnHandle != null, "Unknown field %s", field);
            analysis.setColumn(field, columnHandle);
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  • com.facebook.presto.split.TestNativeSplitManager
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  • com.facebook.presto.sql.planner.QueryPlanner
  • com.facebook.presto.util.JsonPlanPrinter$SourceVisitor
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