Files
oceanbase/src/sql/engine/cmd/ob_xa_executor.cpp
2021-07-29 22:02:41 +08:00

406 lines
16 KiB
C++

/**
* 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 "sql/engine/cmd/ob_xa_executor.h"
#include "share/ob_errno.h"
#include "share/ob_define.h"
#include "sql/resolver/xa/ob_xa_stmt.h"
#include "sql/ob_sql_trans_control.h"
#include "storage/transaction/ob_trans_define.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/executor/ob_task_executor_ctx.h"
#include "storage/ob_partition_service.h"
namespace oceanbase {
using namespace common;
using namespace transaction;
namespace sql {
static inline void init_start_trans_param(
ObSQLSessionInfo* session, ObTaskExecutorCtx& task_exec_ctx, transaction::ObStartTransParam& param)
{
param.set_access_mode(transaction::ObTransAccessMode::READ_WRITE);
param.set_type(session->get_trans_type());
param.set_isolation(session->get_tx_isolation());
param.set_cluster_version(task_exec_ctx.get_min_cluster_version());
param.set_inner_trans(session->is_inner());
}
int ObXaStartExecutor::execute(ObExecContext& ctx, ObXaStartStmt& stmt)
{
int ret = OB_NOT_SUPPORTED;
UNUSED(ctx);
UNUSED(stmt);
return ret;
/*
int ret = OB_SUCCESS;
int tmp_ret = OB_SUCCESS;
ObPhysicalPlanCtx *plan_ctx = GET_PHY_PLAN_CTX(ctx);
ObSQLSessionInfo *my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx &task_exec_ctx = ctx.get_task_exec_ctx();
storage::ObPartitionService *ps = nullptr;
int32_t xa_trans_state = ObXATransState::NON_EXISTING;
ObTransDesc &trans_desc = my_session->get_trans_desc();
if (OB_ISNULL(plan_ctx) || OB_ISNULL(my_session)
|| OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(plan_ctx), K(my_session));
} else if (OB_FAIL(ps->get_xa_trans_state(xa_trans_state, trans_desc))) {
LOG_WARN("get xa trans state failed", K(ret));
} else if (ObXATransState::NON_EXISTING != xa_trans_state) {
ret = OB_TRANS_XA_RMFAIL;
LOG_USER_ERROR(OB_TRANS_XA_RMFAIL, ObXATransState::to_string(xa_trans_state));
LOG_WARN("invalid xa state", K(ret), K(xa_trans_state));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_OUTSIDE;
LOG_WARN("already start trans", K(ret));
} else {
transaction::ObStartTransParam &start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ObSqlTransControl::explicit_start_trans(ctx, start_trans_param))) {
LOG_WARN("explicit start trans failed", K(ret), K(start_trans_param));
} else if (OB_FAIL(ps->xa_start(stmt.get_xa_string(),
stmt.get_gtrid_string().length(),
stmt.get_bqual_string().length(),
stmt.get_format_id(),
stmt.get_flags(),
trans_desc))) {
LOG_WARN("xa start failed", K(ret), K(start_trans_param));
if (OB_SUCCESS != (tmp_ret = ObSqlTransControl::explicit_end_trans(ctx, true))) {
ret = tmp_ret;
LOG_WARN("explicit end trans failed", K(ret));
}
} else {
// do nothing
}
}
LOG_DEBUG("xa start execute", K(stmt.get_xa_string()));
return ret;
*/
}
int ObPlXaStartExecutor::execute(ObExecContext& ctx, ObXaStartStmt& stmt)
{
int ret = OB_SUCCESS;
ObPhysicalPlanCtx* plan_ctx = GET_PHY_PLAN_CTX(ctx);
ObSQLSessionInfo* my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx& task_exec_ctx = ctx.get_task_exec_ctx();
storage::ObPartitionService* ps = nullptr;
ObTransDesc& trans_desc = my_session->get_trans_desc();
ObXATransID xid;
if (OB_ISNULL(plan_ctx) || OB_ISNULL(my_session) || OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(plan_ctx), K(my_session));
ret = OB_TRANS_XA_RMFAIL;
} else if (!stmt.is_valid_oracle_xid()) {
ret = OB_TRANS_XA_INVAL;
LOG_WARN("invalid xid for oracle mode", K(ret), K(stmt));
} else if (OB_FAIL(xid.set(stmt.get_gtrid_string(), stmt.get_bqual_string(), stmt.get_format_id()))) {
LOG_WARN("set xid error", K(ret), K(stmt));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_OUTSIDE;
LOG_WARN("already start trans", K(ret), K(stmt.get_xa_string()), K(trans_desc));
} else {
transaction::ObStartTransParam& start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ObSqlTransControl::explicit_start_trans(ctx, start_trans_param))) {
LOG_WARN("explicit start trans failed", K(ret), K(start_trans_param));
} else if (OB_FAIL(ps->xa_start(xid, stmt.get_flags(), my_session->get_xa_end_timeout_seconds(), trans_desc))) {
LOG_WARN("xa start failed", K(ret), K(start_trans_param));
// if (OB_SUCCESS != (tmp_ret = ObSqlTransControl::explicit_end_trans(ctx, true))) {
// ret = tmp_ret;
// LOG_WARN("explicit end trans failed", K(ret));
//}
my_session->reset_first_stmt_type();
my_session->reset_tx_variable();
my_session->set_early_lock_release(false);
ctx.set_need_disconnect(false);
my_session->get_trans_desc().get_standalone_stmt_desc().reset();
} else {
// do nothing
}
}
LOG_DEBUG("xa start execute", K(stmt));
return ret;
}
int ObXaEndExecutor::execute(ObExecContext& ctx, ObXaEndStmt& stmt)
{
int ret = OB_NOT_SUPPORTED;
UNUSED(ctx);
UNUSED(stmt);
return ret;
/*
int ret = OB_SUCCESS;
int tmp_ret = OB_SUCCESS;
ObSQLSessionInfo *my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx &task_exec_ctx = ctx.get_task_exec_ctx();
storage::ObPartitionService *ps = nullptr;
if (OB_ISNULL(my_session) || OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(my_session));
} else if (OB_FAIL(ps->xa_end(stmt.get_xa_string(),
transaction::ObXAEndFlag::TMSUCCESS,
my_session->get_trans_desc()))) {
LOG_WARN("xa end failed", K(ret), K(stmt.get_xa_string()));
if (OB_TRANS_XA_RMFAIL != ret
&& OB_SUCCESS != (tmp_ret = ObSqlTransControl::explicit_end_trans(ctx, true))) {
ret = tmp_ret;
LOG_WARN("explicit end trans failed", K(ret));
}
} else {
my_session->reset_first_stmt_type();
my_session->reset_tx_variable();
my_session->set_early_lock_release(false);
ctx.set_need_disconnect(false);
my_session->get_trans_desc().get_standalone_stmt_desc().reset();
}
LOG_DEBUG("xa end execute", K(stmt.get_xa_string()));
return ret;
*/
}
int ObPlXaEndExecutor::execute(ObExecContext& ctx, ObXaEndStmt& stmt)
{
int ret = OB_SUCCESS;
// int tmp_ret = OB_SUCCESS;
ObSQLSessionInfo* my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx& task_exec_ctx = ctx.get_task_exec_ctx();
storage::ObPartitionService* ps = nullptr;
ObXATransID xid;
if (OB_ISNULL(my_session) || OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(my_session));
} else if (!stmt.is_valid_oracle_xid()) {
ret = OB_TRANS_XA_INVAL;
LOG_WARN("invalid xid for oracle mode", K(ret), K(stmt));
} else if (OB_FAIL(xid.set(stmt.get_gtrid_string(), stmt.get_bqual_string(), stmt.get_format_id()))) {
LOG_WARN("set xid error", K(ret), K(stmt));
} else if (!my_session->get_in_transaction()) {
ret = OB_TRANS_XA_PROTO;
LOG_WARN("not in a trans", K(ret));
} else if (OB_FAIL(ps->xa_end(xid, stmt.get_flags(), my_session->get_trans_desc()))) {
LOG_WARN("xa end failed", K(ret), K(stmt.get_xa_string()));
// if (OB_TRANS_XA_RMFAIL != ret
// && OB_SUCCESS != (tmp_ret = ObSqlTransControl::explicit_end_trans(ctx, true))) {
// ret = tmp_ret;
// LOG_WARN("explicit end trans failed", K(ret));
// }
} else {
my_session->reset_first_stmt_type();
my_session->reset_tx_variable();
my_session->set_early_lock_release(false);
ctx.set_need_disconnect(false);
my_session->get_trans_desc().get_standalone_stmt_desc().reset();
}
LOG_DEBUG("xa end execute", K(stmt));
return ret;
}
int ObXaPrepareExecutor::execute(ObExecContext& ctx, ObXaPrepareStmt& stmt)
{
int ret = OB_NOT_SUPPORTED;
UNUSED(ctx);
UNUSED(stmt);
return ret;
/*
int ret = OB_SUCCESS;
//int tmp_ret = OB_SUCCESS;
ObSQLSessionInfo *my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx &task_exec_ctx = ctx.get_task_exec_ctx();
ObPhysicalPlanCtx *plan_ctx = GET_PHY_PLAN_CTX(ctx);
storage::ObPartitionService *ps = nullptr;
if (OB_ISNULL(my_session) || OB_ISNULL(plan_ctx)
|| OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(my_session), K(plan_ctx), K(ps));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_OUTSIDE;
LOG_WARN("already start trans", K(ret));
} else {
const uint64_t tenant_id = my_session->get_effective_tenant_id();
int64_t timeout = plan_ctx->get_trans_timeout_timestamp();
transaction::ObStartTransParam &start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ps->xa_prepare(stmt.get_xa_string(), tenant_id, timeout))) {
LOG_WARN("xa prepare failed", K(ret), K(stmt.get_xa_string()));
// if (OB_TRANS_XA_RMFAIL != ret
// && OB_SUCCESS != (tmp_ret = ObSqlTransControl::explicit_end_trans(ctx, true))) {
// ret = tmp_ret;
// LOG_WARN("explicit end trans failed", K(ret));
// }
}
}
LOG_DEBUG("xa prepare execute", K(stmt.get_xa_string()));
return ret;
*/
}
int ObPlXaPrepareExecutor::execute(ObExecContext& ctx, ObXaPrepareStmt& stmt)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo* my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx& task_exec_ctx = ctx.get_task_exec_ctx();
ObPhysicalPlanCtx* plan_ctx = GET_PHY_PLAN_CTX(ctx);
storage::ObPartitionService* ps = nullptr;
ObXATransID xid;
if (OB_ISNULL(my_session) || OB_ISNULL(plan_ctx) || OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(my_session), K(plan_ctx), K(ps));
} else if (!stmt.is_valid_oracle_xid()) {
ret = OB_TRANS_XA_INVAL;
LOG_WARN("invalid xid for oracle mode", K(ret), K(stmt));
} else if (OB_FAIL(xid.set(stmt.get_gtrid_string(), stmt.get_bqual_string(), stmt.get_format_id()))) {
LOG_WARN("set xid error", K(ret), K(stmt));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_RMERR;
LOG_WARN("already start trans", K(ret));
} else {
const uint64_t tenant_id = my_session->get_effective_tenant_id();
int64_t timeout = plan_ctx->get_trans_timeout_timestamp();
transaction::ObStartTransParam& start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ps->xa_prepare(xid, tenant_id, timeout))) {
if (OB_TRANS_XA_RDONLY != ret) {
LOG_WARN("xa prepare failed", K(ret), K(stmt));
}
}
}
LOG_DEBUG("xa prepare execute", K(stmt));
return ret;
}
int ObXaEndTransExecutor::execute_(const ObString& xid, const bool is_rollback, ObExecContext& ctx)
{
int ret = OB_NOT_SUPPORTED;
UNUSED(xid);
UNUSED(is_rollback);
UNUSED(ctx);
return ret;
/*
int ret = OB_SUCCESS;
ObSQLSessionInfo *my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx &task_exec_ctx = ctx.get_task_exec_ctx();
ObPhysicalPlanCtx *plan_ctx = GET_PHY_PLAN_CTX(ctx);
ObTransDesc &trans_desc = my_session->get_trans_desc();
storage::ObPartitionService *ps = nullptr;
if (OB_ISNULL(plan_ctx) || OB_ISNULL(my_session)
|| OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(plan_ctx), K(my_session));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_OUTSIDE;
LOG_WARN("already start trans", K(ret));
} else {
transaction::ObStartTransParam &start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ObSqlTransControl::explicit_start_trans(ctx, start_trans_param))) {
LOG_WARN("explicit start trans failed", K(ret), K(start_trans_param));
} else if (OB_FAIL(ps->xa_end_trans(xid, is_rollback, 0, trans_desc))) {
LOG_WARN("fail to execute xa commit/rollback", K(xid), K(is_rollback));
} else {
LOG_DEBUG("succeed to execute xa commit/rollback", K(xid), K(is_rollback));
}
my_session->reset_first_stmt_type();
my_session->reset_tx_variable();
my_session->set_early_lock_release(false);
ctx.set_need_disconnect(false);
my_session->get_trans_desc().get_standalone_stmt_desc().reset();
}
LOG_DEBUG("xa end_trans execute", K(xid), K(is_rollback));
return ret;
*/
}
int ObPlXaEndTransExecutor::execute(ObExecContext& ctx, ObXaCommitStmt& stmt)
{
int ret = OB_SUCCESS;
if (!stmt.is_valid_oracle_xid()) {
ret = OB_TRANS_XA_INVAL;
LOG_WARN("invalid xid for oracle mode", K(ret), K(stmt));
} else {
ret =
execute_(stmt.get_gtrid_string(), stmt.get_bqual_string(), stmt.get_format_id(), false, stmt.get_flags(), ctx);
}
return ret;
}
int ObPlXaEndTransExecutor::execute(ObExecContext& ctx, ObXaRollBackStmt& stmt)
{
int ret = OB_SUCCESS;
if (!stmt.is_valid_oracle_xid()) {
ret = OB_TRANS_XA_INVAL;
LOG_WARN("invalid xid for oracle mode", K(ret), K(stmt));
} else {
ret = execute_(stmt.get_gtrid_string(), stmt.get_bqual_string(), stmt.get_format_id(), true, stmt.get_flags(), ctx);
}
return ret;
}
int ObPlXaEndTransExecutor::execute_(const ObString& gtrid_str, const ObString& bqual_str, const int64_t format_id,
const bool is_rollback, const int64_t flags, ObExecContext& ctx)
{
int ret = OB_SUCCESS;
ObSQLSessionInfo* my_session = GET_MY_SESSION(ctx);
ObTaskExecutorCtx& task_exec_ctx = ctx.get_task_exec_ctx();
ObPhysicalPlanCtx* plan_ctx = GET_PHY_PLAN_CTX(ctx);
ObTransDesc& trans_desc = my_session->get_trans_desc();
storage::ObPartitionService* ps = nullptr;
ObXATransID xid;
bool access_temp_table = false;
if (OB_ISNULL(plan_ctx) || OB_ISNULL(my_session) || OB_ISNULL(ps = task_exec_ctx.get_partition_service())) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("invalid param", K(ret), K(plan_ctx), K(my_session));
} else if (OB_FAIL(xid.set(gtrid_str, bqual_str, format_id))) {
LOG_WARN("set xid error", K(ret), K(gtrid_str), K(bqual_str), K(format_id));
} else if (my_session->get_in_transaction()) {
ret = OB_TRANS_XA_RMFAIL;
LOG_WARN("already start trans", K(ret));
} else {
transaction::ObStartTransParam& start_trans_param = plan_ctx->get_start_trans_param();
init_start_trans_param(my_session, task_exec_ctx, start_trans_param);
if (OB_FAIL(ObSqlTransControl::explicit_start_trans(ctx, start_trans_param))) {
LOG_WARN("explicit start trans failed", K(ret), K(start_trans_param));
} else if (OB_FAIL(ps->xa_end_trans(xid, is_rollback, flags, trans_desc, access_temp_table))) {
LOG_WARN("fail to execute xa commit/rollback", K(xid), K(is_rollback));
} else {
LOG_DEBUG("succeed to execute xa commit/rollback", K(xid), K(is_rollback));
}
if (!is_rollback && access_temp_table) {
int temp_ret = my_session->drop_temp_tables(false, true /*is_xa_trans*/);
if (OB_SUCCESS != temp_ret) {
LOG_WARN("trx level temporary table clean failed", KR(temp_ret));
}
}
my_session->reset_first_stmt_type();
my_session->reset_tx_variable();
my_session->set_early_lock_release(false);
ctx.set_need_disconnect(false);
my_session->get_trans_desc().get_standalone_stmt_desc().reset();
}
LOG_DEBUG("xa end_trans execute", K(gtrid_str), K(bqual_str), K(format_id), K(is_rollback), K(flags));
return ret;
}
} // end namespace sql
} // end namespace oceanbase