Examples with TableScanNode org.apache.ignite.internal.sql.engine.exec.rel.TableScanNode used on opensource projects

Example 1 with TableScanNode

use of org.apache.ignite.internal.sql.engine.exec.rel.TableScanNode in project ignite-3 by apache.

the class LogicalRelImplementor method visit.

/**
 * {@inheritDoc}
 */
@Override
public Node<RowT> visit(IgniteTableScan rel) {
    RexNode condition = rel.condition();
    List<RexNode> projects = rel.projects();
    ImmutableBitSet requiredColumns = rel.requiredColumns();
    InternalIgniteTable tbl = rel.getTable().unwrap(InternalIgniteTable.class);
    assert tbl != null;
    IgniteTypeFactory typeFactory = ctx.getTypeFactory();
    RelDataType rowType = tbl.getRowType(typeFactory, requiredColumns);
    Predicate<RowT> filters = condition == null ? null : expressionFactory.predicate(condition, rowType);
    Function<RowT, RowT> prj = projects == null ? null : expressionFactory.project(projects, rowType);
    ColocationGroup group = ctx.group(rel.sourceId());
    if (!group.nodeIds().contains(ctx.localNodeId())) {
        return new ScanNode<>(ctx, rowType, Collections.emptyList());
    }
    return new TableScanNode<>(ctx, rowType, tbl, group.partitions(ctx.localNodeId()), filters, prj, requiredColumns);
}