105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_EXE
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#include "sql/executor/ob_job.h"
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#include "sql/executor/ob_task_info.h"
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#include "sql/executor/ob_task_executor.h"
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#include "sql/executor/ob_task_spliter.h"
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#include "sql/engine/px/exchange/ob_receive_op.h"
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#include "sql/engine/ob_exec_context.h"
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#include "lib/utility/ob_tracepoint.h"
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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ObTaskExecutor::ObTaskExecutor()
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{
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}
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ObTaskExecutor::~ObTaskExecutor()
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{
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}
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int ObTaskExecutor::execute(ObExecContext &query_ctx, ObJob *job, ObTaskInfo *task_info)
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{
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UNUSED(query_ctx);
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UNUSED(job);
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UNUSED(task_info);
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return OB_NOT_IMPLEMENT;
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}
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// for static engine
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int ObTaskExecutor::build_task_op_input(ObExecContext &query_ctx,
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ObTaskInfo &task_info,
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const ObOpSpec &root_spec)
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{
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int ret = OB_SUCCESS;
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const ObOpSpec *child_op = NULL;
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ObOpInput *op_input = query_ctx.get_operator_kit(root_spec.get_id())->input_;
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if (NULL != op_input) {
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op_input->reset();
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OZ(op_input->init(task_info));
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}
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if (OB_SUCC(ret)) {
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if (!IS_RECEIVE(root_spec.get_type())) {
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for (int32_t i = 0; OB_SUCC(ret) && i < root_spec.get_child_num(); ++i) {
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if (OB_ISNULL(child_op = root_spec.get_child(i))) {
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ret = OB_ERR_UNEXPECTED;
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} else if (OB_FAIL(OB_I(t2) build_task_op_input(query_ctx, task_info, *child_op))) {
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LOG_WARN("fail to build child op input", K(ret), K(i), K(child_op->get_id()));
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}
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}
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} else {
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// do nothing
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}
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}
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return ret;
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}
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int ObTaskExecutor::should_skip_failed_tasks(ObTaskInfo &task_info, bool &skip_failed_tasks) const
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{
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int ret = OB_SUCCESS;
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// 目前的情况下，当该task只涉及到虚拟表的时候，则跳过失败的那些task
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skip_failed_tasks = false;
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ObOpSpec *root_spec = task_info.get_root_spec();
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ObSEArray<const ObTableScanSpec*, 1> scan_specs;
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if (OB_ISNULL(root_spec)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("root_spec is NULL", K(ret));
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} else if (OB_FAIL(ObTaskSpliter::find_scan_ops(scan_specs, *root_spec))) {
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LOG_WARN("fail to find scan specs", K(ret), K(*root_spec), K(task_info));
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} else if (scan_specs.count() > 0) {
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skip_failed_tasks = true;
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for (int64_t i = 0;
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OB_SUCC(ret) && true == skip_failed_tasks && i < scan_specs.count();
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++i) {
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const ObTableScanSpec *scan_spec = scan_specs.at(i);
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if (OB_ISNULL(scan_spec)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("scan op is NULL", K(ret), K(i), K(task_info));
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} else if (!is_virtual_table(scan_spec->ref_table_id_)) {
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skip_failed_tasks = false;
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}
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}
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}
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return ret;
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}
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