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Copy pathob_task_executor.cpp
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104 lines (89 loc) · 3.18 KB
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX SQL_EXE
#include "sql/executor/ob_job.h"
#include "sql/executor/ob_task_info.h"
#include "sql/executor/ob_task_executor.h"
#include "sql/executor/ob_task_spliter.h"
#include "sql/engine/px/exchange/ob_receive_op.h"
#include "sql/engine/ob_exec_context.h"
#include "lib/utility/ob_tracepoint.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
ObTaskExecutor::ObTaskExecutor()
{
}
ObTaskExecutor::~ObTaskExecutor()
{
}
int ObTaskExecutor::execute(ObExecContext &query_ctx, ObJob *job, ObTaskInfo *task_info)
{
UNUSED(query_ctx);
UNUSED(job);
UNUSED(task_info);
return OB_NOT_IMPLEMENT;
}
// for static engine
int ObTaskExecutor::build_task_op_input(ObExecContext &query_ctx,
ObTaskInfo &task_info,
const ObOpSpec &root_spec)
{
int ret = OB_SUCCESS;
const ObOpSpec *child_op = NULL;
ObOpInput *op_input = query_ctx.get_operator_kit(root_spec.get_id())->input_;
if (NULL != op_input) {
op_input->reset();
OZ(op_input->init(task_info));
}
if (OB_SUCC(ret)) {
if (!IS_RECEIVE(root_spec.get_type())) {
for (int32_t i = 0; OB_SUCC(ret) && i < root_spec.get_child_num(); ++i) {
if (OB_ISNULL(child_op = root_spec.get_child(i))) {
ret = OB_ERR_UNEXPECTED;
} else if (OB_FAIL(OB_I(t2) build_task_op_input(query_ctx, task_info, *child_op))) {
LOG_WARN("fail to build child op input", K(ret), K(i), K(child_op->get_id()));
}
}
} else {
// do nothing
}
}
return ret;
}
int ObTaskExecutor::should_skip_failed_tasks(ObTaskInfo &task_info, bool &skip_failed_tasks) const
{
int ret = OB_SUCCESS;
// 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
skip_failed_tasks = false;
ObOpSpec *root_spec = task_info.get_root_spec();
ObSEArray<const ObTableScanSpec*, 1> scan_specs;
if (OB_ISNULL(root_spec)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("root_spec is NULL", K(ret));
} else if (OB_FAIL(ObTaskSpliter::find_scan_ops(scan_specs, *root_spec))) {
LOG_WARN("fail to find scan specs", K(ret), K(*root_spec), K(task_info));
} else if (scan_specs.count() > 0) {
skip_failed_tasks = true;
for (int64_t i = 0;
OB_SUCC(ret) && true == skip_failed_tasks && i < scan_specs.count();
++i) {
const ObTableScanSpec *scan_spec = scan_specs.at(i);
if (OB_ISNULL(scan_spec)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("scan op is NULL", K(ret), K(i), K(task_info));
} else if (!is_virtual_table(scan_spec->ref_table_id_)) {
skip_failed_tasks = false;
}
}
}
return ret;
}