Examples with ConnectorTableLayout com.facebook.presto.spi.ConnectorTableLayout used on opensource projects

Example 36 with ConnectorTableLayout

use of com.facebook.presto.spi.ConnectorTableLayout in project presto by prestodb.

the class LocalFileMetadata method getTableLayouts.

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    LocalFileTableHandle tableHandle = (LocalFileTableHandle) table;
    ConnectorTableLayout layout = new ConnectorTableLayout(new LocalFileTableLayoutHandle(tableHandle, constraint.getSummary()));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

Example 37 with ConnectorTableLayout

use of com.facebook.presto.spi.ConnectorTableLayout in project presto by prestodb.

the class PinotMetadata method getTableLayouts.

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    // Constraint's don't need to be pushed down since they are already taken care off by the pushdown logic
    PinotTableHandle pinotTableHandle = (PinotTableHandle) table;
    ConnectorTableLayout layout = new ConnectorTableLayout(new PinotTableLayoutHandle(pinotTableHandle));
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}

Example 38 with ConnectorTableLayout

use of com.facebook.presto.spi.ConnectorTableLayout in project presto by prestodb.

the class TpchMetadata method getTableLayouts.

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    TpchTableHandle tableHandle = (TpchTableHandle) table;
    Optional<ConnectorTablePartitioning> tablePartitioning = Optional.empty();
    Optional<Set<ColumnHandle>> partitioningColumns = Optional.empty();
    List<LocalProperty<ColumnHandle>> localProperties = ImmutableList.of();
    TupleDomain<ColumnHandle> predicate = TupleDomain.all();
    TupleDomain<ColumnHandle> unenforcedConstraint = constraint.getSummary();
    Map<String, ColumnHandle> columns = getColumnHandles(session, tableHandle);
    if (tableHandle.getTableName().equals(TpchTable.ORDERS.getTableName())) {
        if (partitioningEnabled) {
            ColumnHandle orderKeyColumn = columns.get(columnNaming.getName(OrderColumn.ORDER_KEY));
            tablePartitioning = Optional.of(new ConnectorTablePartitioning(new TpchPartitioningHandle(TpchTable.ORDERS.getTableName(), calculateTotalRows(OrderGenerator.SCALE_BASE, tableHandle.getScaleFactor())), ImmutableList.of(orderKeyColumn)));
            partitioningColumns = Optional.of(ImmutableSet.of(orderKeyColumn));
            localProperties = ImmutableList.of(new SortingProperty<>(orderKeyColumn, SortOrder.ASC_NULLS_FIRST));
        }
        if (predicatePushdownEnabled) {
            predicate = toTupleDomain(ImmutableMap.of(toColumnHandle(OrderColumn.ORDER_STATUS), filterValues(ORDER_STATUS_NULLABLE_VALUES, OrderColumn.ORDER_STATUS, constraint)));
            unenforcedConstraint = filterOutColumnFromPredicate(constraint.getSummary(), toColumnHandle(OrderColumn.ORDER_STATUS));
        }
    } else if (predicatePushdownEnabled && tableHandle.getTableName().equals(TpchTable.PART.getTableName())) {
        predicate = toTupleDomain(ImmutableMap.of(toColumnHandle(PartColumn.CONTAINER), filterValues(PART_CONTAINER_NULLABLE_VALUES, PartColumn.CONTAINER, constraint), toColumnHandle(PartColumn.TYPE), filterValues(PART_TYPE_NULLABLE_VALUES, PartColumn.TYPE, constraint)));
        unenforcedConstraint = filterOutColumnFromPredicate(constraint.getSummary(), toColumnHandle(PartColumn.CONTAINER));
        unenforcedConstraint = filterOutColumnFromPredicate(unenforcedConstraint, toColumnHandle(PartColumn.TYPE));
    } else if (tableHandle.getTableName().equals(TpchTable.LINE_ITEM.getTableName())) {
        if (partitioningEnabled) {
            ColumnHandle orderKeyColumn = columns.get(columnNaming.getName(LineItemColumn.ORDER_KEY));
            tablePartitioning = Optional.of(new ConnectorTablePartitioning(new TpchPartitioningHandle(TpchTable.ORDERS.getTableName(), calculateTotalRows(OrderGenerator.SCALE_BASE, tableHandle.getScaleFactor())), ImmutableList.of(orderKeyColumn)));
            partitioningColumns = Optional.of(ImmutableSet.of(orderKeyColumn));
            localProperties = ImmutableList.of(new SortingProperty<>(orderKeyColumn, SortOrder.ASC_NULLS_FIRST), new SortingProperty<>(columns.get(columnNaming.getName(LineItemColumn.LINE_NUMBER)), SortOrder.ASC_NULLS_FIRST));
        }
    }
    ConnectorTableLayout layout = new ConnectorTableLayout(new TpchTableLayoutHandle(tableHandle, predicate), Optional.empty(), // TODO: conditionally return well-known properties (e.g., orderkey > 0, etc)
    predicate, tablePartitioning, partitioningColumns, Optional.empty(), localProperties);
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, unenforcedConstraint));
}

Example 39 with ConnectorTableLayout

use of com.facebook.presto.spi.ConnectorTableLayout in project presto by prestodb.

the class RaptorMetadata method getTableLayouts.

@Override
public List<ConnectorTableLayoutResult> getTableLayouts(ConnectorSession session, ConnectorTableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    RaptorTableHandle handle = (RaptorTableHandle) table;
    ConnectorTableLayout layout = getTableLayout(session, handle, constraint.getSummary());
    return ImmutableList.of(new ConnectorTableLayoutResult(layout, constraint.getSummary()));
}