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oceanbase/src/sql/engine/dml/ob_table_append.cpp
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

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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_ENG
#include "ob_table_append.h"
#include "sql/ob_phy_table_location.h"
#include "sql/engine/ob_exec_context.h"
#include "lib/utility/ob_tracepoint.h"
using namespace oceanbase::common;
using namespace oceanbase::share;
using namespace oceanbase::sql;
OB_SERIALIZE_MEMBER(ObTableAppendInput, location_idx_);
int ObTableAppendInput::init(ObExecContext& ctx, ObTaskInfo& task_info, const ObPhyOperator& op)
{
int ret = OB_SUCCESS;
UNUSED(ctx);
UNUSED(op);
location_idx_ = task_info.get_location_idx();
return ret;
}
OB_SERIALIZE_MEMBER((ObTableAppend, ObSingleChildPhyOperator), table_id_);
int ObTableAppend::Operator2RowIter::get_next_row(ObNewRow*& row)
{
int ret = OB_SUCCESS;
const ObNewRow* crow = NULL;
if (OB_FAIL(op_.get_next_row(ctx_, crow))) {
if (OB_ITER_END != ret) {
LOG_WARN("get row failed", K(ret));
}
} else {
row = const_cast<ObNewRow*>(crow);
}
return ret;
}
ObTableAppend::ObTableAppend(ObIAllocator& allocator) : ObSingleChildPhyOperator(allocator), table_id_(OB_INVALID_ID)
{}
ERRSIM_POINT_DEF(ERRSIM_TABLE_APPEND_INNER_OPEN);
int ObTableAppend::inner_open(ObExecContext& ctx) const
{
int ret = OB_SUCCESS;
if (OB_FAIL(init_op_ctx(ctx))) {
LOG_WARN("fail to init operator context", K(ret), K_(id));
} else if (OB_FAIL(handle_op_ctx(ctx))) {
LOG_WARN("fail to handle operator context", K(ret));
}
ret = ERRSIM_TABLE_APPEND_INNER_OPEN ?: ret;
return ret;
}
int ObTableAppend::inner_close(ObExecContext& ctx) const
{
int ret = OB_SUCCESS;
UNUSED(ctx);
return ret;
}
int ObTableAppend::get_part_location(
ObExecContext& ctx, const ObPhyTableLocation& table_location, const ObPartitionReplicaLocation*& out) const
{
int ret = OB_SUCCESS;
out = NULL;
int64_t location_idx = 0;
if (OB_UNLIKELY(table_location.get_partition_location_list().count() > 1)) {
ObTableAppendInput* append_input = NULL;
if ((append_input = GET_PHY_OP_INPUT(ObTableAppendInput, ctx, get_id())) != NULL) {
location_idx = append_input->get_location_idx();
LOG_INFO("localtion_idx", K(location_idx));
if (location_idx >= table_location.get_partition_location_list().count()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid location idx",
K(ret),
K(location_idx),
"total_count",
table_location.get_partition_location_list().count());
}
} else {
ret = OB_ERR_DISTRIBUTED_NOT_SUPPORTED;
LOG_WARN("Multi-partition DML not supported", K(ret), K(table_location));
}
}
if (OB_SUCC(ret)) {
out = &(table_location.get_partition_location_list().at(location_idx));
}
return ret;
}