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

Example 1 with RowHandler

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

the class ModifyNode method flushTuples.

private void flushTuples(boolean force) {
    if (nullOrEmpty(rows) || !force && rows.size() < MODIFY_BATCH_SIZE) {
        return;
    }
    List<ModifyRow> rows = this.rows;
    this.rows = new ArrayList<>(MODIFY_BATCH_SIZE);
    Map<ModifyRow.Operation, Collection<BinaryRow>> operations = getOperationsPerAction(rows);
    // TODO: IGNITE-15087 Implement support for transactional SQL
    for (Map.Entry<ModifyRow.Operation, Collection<BinaryRow>> op : operations.entrySet()) {
        switch(op.getKey()) {
            case INSERT_ROW:
                Collection<BinaryRow> conflictKeys = tableView.insertAll(op.getValue(), null).join();
                if (!conflictKeys.isEmpty()) {
                    IgniteTypeFactory typeFactory = context().getTypeFactory();
                    RowHandler.RowFactory<RowT> rowFactory = context().rowHandler().factory(context().getTypeFactory(), table.descriptor().insertRowType(typeFactory));
                    List<String> conflictKeys0 = conflictKeys.stream().map(binRow -> table.toRow(context(), binRow, rowFactory, null)).map(context().rowHandler()::toString).collect(Collectors.toList());
                    throw conflictKeysException(conflictKeys0);
                }
                break;
            case UPDATE_ROW:
                tableView.upsertAll(op.getValue(), null).join();
                break;
            case DELETE_ROW:
                tableView.deleteAll(op.getValue(), null).join();
                break;
            default:
                throw new UnsupportedOperationException(op.getKey().name());
        }
    }
    updatedRows += rows.size();
}

Example 2 with RowHandler

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

the class NestedLoopJoinExecutionTest method verifyJoin.

/**
 * Creates execution tree and executes it. Then compares the result of the execution with the given one.
 *
 * @param left     Data for left table.
 * @param right    Data for right table.
 * @param joinType Join type.
 * @param expRes   Expected result.
 */
private void verifyJoin(Object[][] left, Object[][] right, JoinRelType joinType, Object[][] expRes) {
    ExecutionContext<Object[]> ctx = executionContext(true);
    RelDataType leftType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class, Integer.class);
    ScanNode<Object[]> leftNode = new ScanNode<>(ctx, leftType, Arrays.asList(left));
    RelDataType rightType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class);
    ScanNode<Object[]> rightNode = new ScanNode<>(ctx, rightType, Arrays.asList(right));
    RelDataType outType;
    if (setOf(SEMI, ANTI).contains(joinType)) {
        outType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class, Integer.class);
    } else {
        outType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class, Integer.class, int.class, String.class);
    }
    RowHandler<Object[]> hnd = ctx.rowHandler();
    NestedLoopJoinNode<Object[]> join = NestedLoopJoinNode.create(ctx, outType, leftType, rightType, joinType, (r1, r2) -> getFieldFromBiRows(hnd, 2, r1, r2) == getFieldFromBiRows(hnd, 3, r1, r2));
    join.register(asList(leftNode, rightNode));
    RelDataType rowType;
    ProjectNode<Object[]> project;
    if (setOf(SEMI, ANTI).contains(joinType)) {
        rowType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class);
        project = new ProjectNode<>(ctx, rowType, r -> new Object[] { r[0], r[1] });
    } else {
        rowType = TypeUtils.createRowType(ctx.getTypeFactory(), int.class, String.class, String.class);
        project = new ProjectNode<>(ctx, rowType, r -> new Object[] { r[0], r[1], r[4] });
    }
    project.register(join);
    RootNode<Object[]> node = new RootNode<>(ctx, rowType);
    node.register(project);
    ArrayList<Object[]> rows = new ArrayList<>();
    while (node.hasNext()) {
        rows.add(node.next());
    }
    assertArrayEquals(expRes, rows.toArray(EMPTY));
}