Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorTableMetadata

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    private ConnectorTableMetadata getTableMetadata(SchemaTableName tableName)
    {
        CassandraTableHandle tableHandle = schemaProvider.getTableHandle(tableName);
        List<ColumnMetadata> columns = ImmutableList.copyOf(transform(getColumnHandles(tableHandle).values(), columnMetadataGetter()));
        return new ConnectorTableMetadata(tableName, columns);
    }
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    private ConnectorTableMetadata getTableMetadata(SchemaTableName tableName)
    {
        CassandraTableHandle tableHandle = new CassandraTableHandle(connectorId, tableName.getSchemaName(), tableName.getTableName());
        CassandraTable table = schemaProvider.getTable(tableHandle);
        List<ColumnMetadata> columns = ImmutableList.copyOf(transform(table.getColumns(), columnMetadataGetter()));
        return new ConnectorTableMetadata(tableName, columns);
    }
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        ConnectorTableHandle tableHandle = metadata.createTable(SESSION, getOrdersTable());
        assertInstanceOf(tableHandle, RaptorTableHandle.class);
        assertEquals(((RaptorTableHandle) tableHandle).getTableId(), 1);

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

        ConnectorColumnHandle columnHandle = metadata.getColumnHandles(tableHandle).get("orderkey");
        assertInstanceOf(columnHandle, RaptorColumnHandle.class);
        assertEquals(((RaptorColumnHandle) columnHandle).getColumnId(), 1);
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        checkArgument(!columns.isEmpty(), "Table %s does not have any columns", tableName);
        if (columns.isEmpty()) {
            return null;
        }

        return new ConnectorTableMetadata(tableName, columns);
    }
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    }

    @Override
    public TableMetadata getTableMetadata(TableHandle tableHandle)
    {
        ConnectorTableMetadata tableMetadata = lookupConnectorFor(tableHandle).getMetadata().getTableMetadata(tableHandle);
        return new TableMetadata(getConnectorId(tableHandle), tableMetadata);
    }
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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 ConnectorTableMetadata(tableName, ImmutableList.of(COLUMN_METADATA));
    }
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    @Override
    public ColumnHandle getColumnHandle(TableHandle tableHandle, String columnName)
    {
        SystemTableHandle systemTableHandle = checkTableHandle(tableHandle);
        ConnectorTableMetadata 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);
        ConnectorTableMetadata 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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    }

    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 ColumnHandle getColumnHandle(TableHandle tableHandle, String columnName)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);
        ConnectorTableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        if (findColumnMetadata(tableMetadata, columnName) == null) {
            return null;
        }
        return new InformationSchemaColumnHandle(columnName);
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Related Classes of com.facebook.presto.spi.ConnectorTableMetadata

  • com.facebook.presto.cassandra.CassandraMetadata
  • com.facebook.presto.cassandra.TestCassandraConnector
  • 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.example.ExampleMetadata
  • com.facebook.presto.example.TestExampleMetadata
  • com.facebook.presto.hive.AbstractTestHiveClient
  • com.facebook.presto.hive.AbstractTestHiveClientS3
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