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130 lines (119 loc) · 4.23 KB
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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "sql/engine/cmd/ob_tcl_executor.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/resolver/tcl/ob_end_trans_stmt.h"
#include "sql/resolver/tcl/ob_start_trans_stmt.h"
#include "sql/resolver/tcl/ob_savepoint_stmt.h"
namespace oceanbase
{
using namespace common;
using namespace share::schema;
namespace sql
{
int ObEndTransExecutor::execute(ObExecContext &ctx, ObEndTransStmt &stmt)
{
return end_trans(ctx, stmt);
}
int ObEndTransExecutor::end_trans(ObExecContext &ctx, ObEndTransStmt &stmt)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo *my_session = GET_MY_SESSION(ctx);
if (OB_ISNULL(my_session)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("session ptr is null", K(ret));
} else if (my_session->is_in_transaction() &&
my_session->associated_xa()) {
if (lib::is_mysql_mode()) {
// mysql mode
ret = OB_TRANS_XA_RMFAIL;
LOG_WARN("the command cannot be executed in xa trans", K(ret), K(my_session->get_xid()));
ctx.set_need_disconnect(false);
} else {
// oracle mode
ret = OB_NOT_SUPPORTED;
LOG_ERROR("not support", K(ret), K(my_session->get_xid()));
}
} else if (OB_FAIL(ObSqlTransControl::explicit_end_trans(ctx, stmt.get_is_rollback(), stmt.get_hint()))) {
LOG_WARN("fail end trans", K(ret));
}
return ret;
}
int ObStartTransExecutor::execute(ObExecContext &ctx, ObStartTransStmt &stmt)
{
return start_trans(ctx, stmt);
}
int ObStartTransExecutor::start_trans(ObExecContext &ctx, ObStartTransStmt &stmt)
{
int ret = OB_SUCCESS;
if (OB_FAIL(ObSqlTransControl::explicit_start_trans(ctx, stmt.get_read_only(), stmt.get_hint()))) {
LOG_WARN("fail start trans", K(ret));
}
return ret;
}
int ObCreateSavePointExecutor::execute(ObExecContext &ctx,
ObCreateSavePointStmt &stmt)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo *session = GET_MY_SESSION(ctx);
bool ac = false;
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(session));
} else if (OB_FAIL(ObSqlTransControl::create_savepoint(ctx, stmt.get_sp_name(), true))) {
LOG_WARN("fail create savepoint", K(ret), K(stmt.get_sp_name()));
} else if (!session->has_explicit_start_trans()) {
if (OB_FAIL(session->get_autocommit(ac))) {
LOG_WARN("session autocommit unknown, assume `True`", K(ret), KPC(session));
ac = true;
}
// sync commit trans, it should fast because of tx is clean
if (ac && OB_FAIL(ObSqlTransControl::implicit_end_trans(ctx, false, NULL))) {
// overwrite ret
LOG_WARN("auto commit transaction fail", K(ret), KPC(session));
}
}
return ret;
}
int ObRollbackSavePointExecutor::execute(ObExecContext &ctx,
ObRollbackSavePointStmt &stmt)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo *session = GET_MY_SESSION(ctx);
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(session));
} else if (OB_FAIL(ObSqlTransControl::rollback_savepoint(ctx, stmt.get_sp_name()))) {
LOG_WARN("fail rollback to savepoint", K(ret), K(stmt.get_sp_name()));
}
return ret;
}
int ObReleaseSavePointExecutor::execute(ObExecContext &ctx,
ObReleaseSavePointStmt &stmt)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo *session = GET_MY_SESSION(ctx);
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(session));
} else if (OB_FAIL(ObSqlTransControl::release_savepoint(ctx, stmt.get_sp_name()))) {
LOG_WARN("fail release savepoint", K(ret), K(stmt.get_sp_name()));
}
return ret;
}
}// ns sql
}// ns oceanbase