Package com.facebook.presto.metadata

Examples of com.facebook.presto.metadata.TableMetadata

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        QualifiedTableName name = MetadataUtil.createQualifiedTableName(session, QualifiedName.of("dual"));
        Optional<TableHandle> optionalHandle = metadata.getTableHandle(name);
        checkState(optionalHandle.isPresent(), "Dual table provider not installed");
        TableHandle table = optionalHandle.get();
        TableMetadata tableMetadata = metadata.getTableMetadata(table);
        Map<String, ColumnHandle> columnHandles = metadata.getColumnHandles(table);

        ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
        for (ColumnMetadata column : tableMetadata.getColumns()) {
            Symbol symbol = symbolAllocator.newSymbol(column.getName(), Type.fromRaw(column.getType()));
            columns.put(symbol, columnHandles.get(column.getName()));
        }

        ImmutableMap<Symbol, ColumnHandle> assignments = columns.build();
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        @Override
        public Void visitTableScan(TableScanNode node, Void context)
        {
            TableHandle tableHandle = node.getTable();
            TableMetadata table = metadata.getTableMetadata(tableHandle);
            SchemaTableName schemaTable = table.getTable();

            TableEntry entry = new TableEntry(table.getConnectorId(), schemaTable.getSchemaName(), schemaTable.getTableName());

            for (ColumnHandle columnHandle : node.getAssignments().values()) {
                ColumnMetadata columnMetadata = metadata.getColumnMetadata(tableHandle, columnHandle);
                builder.put(entry, columnMetadata.getName());
            }
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        Stopwatch partitionTimer = new Stopwatch();
        partitionTimer.start();

        checkArgument(tableHandle instanceof NativeTableHandle, "Table must be a native table");

        TableMetadata tableMetadata = metadata.getTableMetadata(tableHandle);

        checkState(tableMetadata != null, "no metadata for %s found", tableHandle);

        Set<TablePartition> tablePartitions = shardManager.getPartitions(tableHandle);
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            if (!metadata.listSchemaNames(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()), Type.fromRaw(column.getType()));
            fields.add(field);
            analysis.setColumn(field, columns.get(column.getName()));
        }
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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(), true);
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        metadata.addConnectorMetadata("tpch", "tpch", new TestingMetadata());
        metadata.addConnectorMetadata("c2", "c2", new TestingMetadata());
        metadata.addConnectorMetadata("c3", "c3", new TestingMetadata());

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

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

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

        // table in different catalog
        SchemaTableName table4 = new SchemaTableName("s2", "t4");
        metadata.createTable(SESSION, "c2", new TableMetadata("tpch", new ConnectorTableMetadata(table4,
                ImmutableList.<ColumnMetadata>of(
                        new ColumnMetadata("a", BIGINT, 0, false)))));

        // valid view referencing table in same schema
        String viewData1 = JsonCodec.jsonCodec(ViewDefinition.class).toJson(
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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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    {
        MetadataManager metadata = new MetadataManager(new FeaturesConfig().setExperimentalSyntaxEnabled(true), new TypeRegistry());
        metadata.addConnectorMetadata("tpch", "tpch", new InMemoryMetadata());

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

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

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

        analyzer = new Analyzer(new ConnectorSession("user", "test", "tpch", "default", UTC_KEY, Locale.ENGLISH, null, null), metadata, Optional.<QueryExplainer>absent(), true);
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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, shardManager));

        tableHandle = metadataManager.createTable("local", new TableMetadata("local", TEST_TABLE));
        dsColumnHandle = metadataManager.getColumnHandle(tableHandle, "ds").get();

        UUID shardUuid1 = UUID.randomUUID();
        UUID shardUuid2 = UUID.randomUUID();
        UUID shardUuid3 = UUID.randomUUID();
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