Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.TableMetadata

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    {
        MetadataManager metadata = new MetadataManager();
        metadata.addConnectorMetadata("tpch", new InMemoryMetadata());

        SchemaTableName table1 = new SchemaTableName("default", "t1");
        metadata.createTable("tpch", new TableMetadata(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(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(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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        TableHandle tableHandle = metadata.createTable(getOrdersTable());
        assertInstanceOf(tableHandle, NativeTableHandle.class);
        assertEquals(((NativeTableHandle) tableHandle).getTableId(), 1);

        TableMetadata table = metadata.getTableMetadata(tableHandle);
        assertTableEqual(table, getOrdersTable());

        ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, "orderkey");
        assertInstanceOf(columnHandle, NativeColumnHandle.class);
        assertEquals(((NativeColumnHandle) columnHandle).getColumnId(), 1);
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                .toString();
    }

    public TableMetadata getTableMetadata()
    {
        return new TableMetadata(new SchemaTableName(JmxMetadata.SCHEMA_NAME, objectName), ImmutableList.copyOf(transform(columns, columnMetadataGetter())));
    }
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    @Override
    public ColumnHandle getColumnHandle(TableHandle tableHandle, String columnName)
    {
        SystemTableHandle systemTableHandle = checkTableHandle(tableHandle);
        TableMetadata tableMetadata = tables.get(systemTableHandle.getSchemaTableName());

        if (findColumnMetadata(tableMetadata, columnName) == null) {
            return null;
        }
        return new SystemColumnHandle(columnName);
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    @Override
    public ColumnMetadata getColumnMetadata(TableHandle tableHandle, ColumnHandle columnHandle)
    {
        SystemTableHandle systemTableHandle = checkTableHandle(tableHandle);
        TableMetadata tableMetadata = tables.get(systemTableHandle.getSchemaTableName());

        checkArgument(columnHandle instanceof SystemColumnHandle, "columnHandle is not an instance of SystemColumnHandle");
        String columnName = ((SystemColumnHandle) columnHandle).getColumnName();

        ColumnMetadata columnMetadata = findColumnMetadata(tableMetadata, columnName);
        checkArgument(columnMetadata != null, "Column %s on table %s does not exist", columnName, tableMetadata.getTable());
        return columnMetadata;
    }
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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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    {
        checkNotNull(tableHandle, "tableHandle is null");
        checkArgument(tableHandle instanceof DualTableHandle, "tableHandle is not a dual table handle");

        SchemaTableName tableName = new SchemaTableName(((DualTableHandle) tableHandle).getSchemaName(), NAME);
        return new TableMetadata(tableName, ImmutableList.of(COLUMN_METADATA));
    }
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    @Override
    public ColumnHandle getColumnHandle(TableHandle tableHandle, String columnName)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);
        TableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        if (findColumnMetadata(tableMetadata, columnName) == null) {
            return null;
        }
        return new InformationSchemaColumnHandle(columnName);
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    @Override
    public ColumnMetadata getColumnMetadata(TableHandle tableHandle, ColumnHandle columnHandle)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);
        TableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        checkArgument(columnHandle instanceof InformationSchemaColumnHandle, "columnHandle is not an instance of InformationSchemaColumnHandle");
        String columnName = ((InformationSchemaColumnHandle) columnHandle).getColumnName();

        ColumnMetadata columnMetadata = findColumnMetadata(tableMetadata, columnName);
        checkArgument(columnMetadata != null, "Column %s on table %s does not exist", columnName, tableMetadata.getTable());
        return columnMetadata;
    }
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    @Override
    public Map<String, ColumnHandle> getColumnHandles(TableHandle tableHandle)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);

        TableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        return toInformationSchemaColumnHandles(tableMetadata);
    }
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Related Classes of com.facebook.presto.spi.TableMetadata

  • com.facebook.presto.connector.dual.DualMetadata
  • com.facebook.presto.connector.informationSchema.InformationSchemaMetadata
  • com.facebook.presto.connector.jmx.JmxTableHandle
  • com.facebook.presto.connector.system.SystemTablesMetadata
  • com.facebook.presto.hive.AbstractTestHiveClient
  • com.facebook.presto.hive.HiveClient
  • com.facebook.presto.metadata.InMemoryMetadata
  • com.facebook.presto.metadata.MetadataUtil$TableMetadataBuilder
  • com.facebook.presto.metadata.NativeMetadata
  • com.facebook.presto.metadata.TestNativeMetadata
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