patch 4.0
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wangzelin.wzl
292
src/sql/das/ob_das_update_op.cpp
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292
src/sql/das/ob_das_update_op.cpp
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/**
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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_DAS
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#include "sql/das/ob_das_update_op.h"
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#include "share/ob_scanner.h"
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#include "sql/engine/px/ob_px_util.h"
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#include "sql/engine/dml/ob_dml_service.h"
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#include "sql/das/ob_das_utils.h"
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#include "storage/tx_storage/ob_access_service.h"
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namespace oceanbase
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{
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namespace common
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{
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namespace serialization
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{
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template <>
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struct EnumEncoder<false, const sql::ObDASUpdCtDef *> : sql::DASCtEncoder<sql::ObDASUpdCtDef>
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{
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};
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template <>
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struct EnumEncoder<false, sql::ObDASUpdRtDef *> : sql::DASRtEncoder<sql::ObDASUpdRtDef>
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{
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};
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} // end namespace serialization
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} // end namespace common
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using namespace common;
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using namespace storage;
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using namespace share;
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namespace sql
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{
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class ObDASUpdIterator : public ObNewRowIterator
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{
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public:
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ObDASUpdIterator(const ObDASUpdCtDef *das_ctdef,
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ObDASWriteBuffer &write_buffer,
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ObIAllocator &alloc)
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: das_ctdef_(das_ctdef),
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write_buffer_(write_buffer),
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old_row_(nullptr),
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new_row_(nullptr),
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got_old_row_(false),
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allocator_(alloc)
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{
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}
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virtual int get_next_row(ObNewRow *&row) override;
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virtual int get_next_row() override { return OB_NOT_IMPLEMENT; }
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ObDASWriteBuffer &get_write_buffer() { return write_buffer_; }
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virtual void reset() override { }
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int rewind(const ObDASDMLBaseCtDef *das_ctdef)
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{
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old_row_ = nullptr;
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new_row_ = nullptr;
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got_old_row_ = false;
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das_ctdef_ = static_cast<const ObDASUpdCtDef*>(das_ctdef);
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return OB_SUCCESS;
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}
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private:
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const ObDASUpdCtDef *das_ctdef_;
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ObDASWriteBuffer &write_buffer_;
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ObNewRow *old_row_;
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ObNewRow *new_row_;
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ObDASWriteBuffer::Iterator result_iter_;
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bool got_old_row_;
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common::ObIAllocator &allocator_;
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};
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int ObDASUpdIterator::get_next_row(ObNewRow *&row)
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{
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int ret = OB_SUCCESS;
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const ObChunkDatumStore::StoredRow *sr = NULL;
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if (!got_old_row_) {
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got_old_row_ = true;
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if (OB_ISNULL(old_row_)) {
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if (OB_FAIL(ob_create_row(allocator_, das_ctdef_->old_row_projector_.count(), old_row_))) {
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LOG_WARN("create row buffer failed", K(ret), K(das_ctdef_->old_row_projector_.count()));
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} else if (OB_FAIL(write_buffer_.begin(result_iter_))) {
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LOG_WARN("begin datum result iterator failed", K(ret));
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}
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}
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if (OB_SUCC(ret) && OB_ISNULL(new_row_)) {
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if (OB_FAIL(ob_create_row(allocator_, das_ctdef_->new_row_projector_.count(), new_row_))) {
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LOG_WARN("create row buffer failed", K(ret), K(das_ctdef_->new_row_projector_.count()));
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}
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}
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if (OB_SUCC(ret)) {
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if (OB_FAIL(result_iter_.get_next_row(sr))) {
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if (OB_ITER_END != ret) {
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LOG_WARN("get next row from result iterator failed", K(ret));
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}
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} else if (OB_FAIL(ObDASUtils::project_storage_row(*das_ctdef_,
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*sr,
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das_ctdef_->old_row_projector_,
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allocator_,
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*old_row_))) {
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LOG_WARN("project old storage row failed", K(ret));
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} else if (OB_FAIL(ObDASUtils::project_storage_row(*das_ctdef_,
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*sr,
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das_ctdef_->new_row_projector_,
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allocator_,
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*new_row_))) {
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LOG_WARN("project new storage row failed", K(ret));
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} else {
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row = old_row_;
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LOG_TRACE("DAS update get old row",
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K_(das_ctdef_->old_row_projector),
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K_(das_ctdef_->new_row_projector),
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"table_id", das_ctdef_->table_id_,
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"index_tid", das_ctdef_->index_tid_, KPC_(old_row),
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KPC_(new_row));
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}
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}
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} else {
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got_old_row_ = false;
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if (OB_ISNULL(new_row_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("new row is null", K(ret));
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} else {
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row = new_row_;
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LOG_DEBUG("DAS update get new row",
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"table_id", das_ctdef_->table_id_,
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"index_tid", das_ctdef_->index_tid_, KPC_(new_row));
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}
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}
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return ret;
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}
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template <>
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int ObDASIndexDMLAdaptor<DAS_OP_TABLE_UPDATE, ObDASUpdIterator>::write_rows(const ObLSID &ls_id,
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const ObTabletID &tablet_id,
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const CtDefType &ctdef,
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RtDefType &rtdef,
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ObDASUpdIterator &iter,
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int64_t &affected_rows)
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{
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int ret = OB_SUCCESS;
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ObAccessService *as = MTL(ObAccessService *);
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if (OB_FAIL(as->update_rows(ls_id,
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tablet_id,
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*tx_desc_,
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dml_param_,
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ctdef.column_ids_,
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ctdef.updated_column_ids_,
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&iter,
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affected_rows))) {
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if (OB_TRY_LOCK_ROW_CONFLICT != ret) {
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LOG_WARN("update row to partition storage failed", K(ret));
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}
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}
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return ret;
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}
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ObDASUpdateOp::ObDASUpdateOp(ObIAllocator &op_alloc)
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: ObIDASTaskOp(op_alloc),
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upd_ctdef_(nullptr),
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upd_rtdef_(nullptr)
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{
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}
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int ObDASUpdateOp::open_op()
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{
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int ret = OB_SUCCESS;
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int64_t affected_rows = 0;
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ObDASUpdIterator upd_iter(upd_ctdef_, write_buffer_, op_alloc_);
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ObDASIndexDMLAdaptor<DAS_OP_TABLE_UPDATE, ObDASUpdIterator> upd_adaptor;
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upd_adaptor.tx_desc_ = trans_desc_;
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upd_adaptor.snapshot_ = snapshot_;
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upd_adaptor.ctdef_ = upd_ctdef_;
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upd_adaptor.rtdef_ = upd_rtdef_;
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upd_adaptor.related_ctdefs_ = &related_ctdefs_;
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upd_adaptor.related_rtdefs_ = &related_rtdefs_;
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upd_adaptor.tablet_id_ = tablet_id_;
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upd_adaptor.ls_id_ = ls_id_;
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upd_adaptor.related_tablet_ids_ = &related_tablet_ids_;
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upd_adaptor.das_allocator_ = &op_alloc_;
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if (OB_FAIL(upd_adaptor.write_tablet(upd_iter, affected_rows))) {
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if (OB_TRY_LOCK_ROW_CONFLICT != ret) {
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LOG_WARN("update row to partition storage failed", K(ret));
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}
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} else {
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upd_rtdef_->affected_rows_ += affected_rows;
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}
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return ret;
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}
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int ObDASUpdateOp::release_op()
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{
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int ret = OB_SUCCESS;
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return ret;
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}
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int ObDASUpdateOp::decode_task_result(ObIDASTaskResult *task_result)
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{
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int ret = OB_SUCCESS;
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#if !defined(NDEBUG)
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CK(typeid(*task_result) == typeid(ObDASUpdateResult));
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CK(task_id_ == task_result->get_task_id());
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#endif
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if (OB_SUCC(ret)) {
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ObDASUpdateResult *del_result = static_cast<ObDASUpdateResult*>(task_result);
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upd_rtdef_->affected_rows_ += del_result->get_affected_rows();
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}
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return ret;
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}
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int ObDASUpdateOp::fill_task_result(ObIDASTaskResult &task_result, bool &has_more)
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{
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int ret = OB_SUCCESS;
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#if !defined(NDEBUG)
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CK(typeid(task_result) == typeid(ObDASUpdateResult));
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#endif
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if (OB_SUCC(ret)) {
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ObDASUpdateResult &del_result = static_cast<ObDASUpdateResult&>(task_result);
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del_result.set_affected_rows(upd_rtdef_->affected_rows_);
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has_more = false;
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}
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return ret;
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}
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int ObDASUpdateOp::init_task_info()
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{
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int ret = OB_SUCCESS;
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if (!write_buffer_.is_inited()
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&& OB_FAIL(write_buffer_.init(op_alloc_, DAS_ROW_EXTEND_SIZE, tenant_id_, "DASUpdateBuffer"))) {
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LOG_WARN("init update buffer failed", K(ret));
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}
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return ret;
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}
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int ObDASUpdateOp::swizzling_remote_task(ObDASRemoteInfo *remote_info)
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{
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int ret = OB_SUCCESS;
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if (remote_info != nullptr) {
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//DAS update is executed remotely
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trans_desc_ = remote_info->trans_desc_;
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snapshot_ = &remote_info->snapshot_;
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}
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return ret;
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}
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int ObDASUpdateOp::write_row(const ExprFixedArray &row, ObEvalCtx &eval_ctx, bool &buffer_full)
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{
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int ret = OB_SUCCESS;
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bool added = false;
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buffer_full = false;
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if (OB_FAIL(write_buffer_.try_add_row(row, &eval_ctx, das::OB_DAS_MAX_PACKET_SIZE, added, true))) {
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LOG_WARN("try add row to datum store failed", K(ret), K(row), K(write_buffer_));
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} else if (!added) {
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buffer_full = true;
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}
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return ret;
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}
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OB_SERIALIZE_MEMBER((ObDASUpdateOp, ObIDASTaskOp),
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upd_ctdef_,
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upd_rtdef_,
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write_buffer_);
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ObDASUpdateResult::ObDASUpdateResult()
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: ObIDASTaskResult(),
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affected_rows_(0)
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{
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}
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ObDASUpdateResult::~ObDASUpdateResult()
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{
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}
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int ObDASUpdateResult::init(const ObIDASTaskOp &op)
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{
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UNUSED(op);
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return OB_SUCCESS;
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}
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OB_SERIALIZE_MEMBER((ObDASUpdateResult, ObIDASTaskResult),
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affected_rows_);
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} // namespace sql
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} // namespace oceanbase
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