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oceanbase/src/sql/engine/cmd/ob_tablegroup_executor.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +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 "share/object/ob_obj_cast.h"
#include "sql/engine/cmd/ob_tablegroup_executor.h"
#include "share/ob_common_rpc_proxy.h"
#include "share/schema/ob_schema_struct.h"
#include "sql/session/ob_sql_session_info.h"
#include "sql/resolver/ddl/ob_create_tablegroup_stmt.h"
#include "sql/resolver/ddl/ob_alter_tablegroup_stmt.h"
#include "sql/resolver/ddl/ob_drop_tablegroup_stmt.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/code_generator/ob_expr_generator_impl.h"
#include "sql/engine/cmd/ob_partition_executor_utils.h"
namespace oceanbase
{
using namespace common;
using namespace share::schema;
namespace sql
{
int ObCreateTablegroupExecutor::execute(ObExecContext &ctx, ObCreateTablegroupStmt &stmt)
{
int ret = OB_SUCCESS;
obrpc::ObRpcOpts rpc_opt;
ObTaskExecutorCtx *task_exec_ctx = NULL;
obrpc::ObCommonRpcProxy *common_rpc_proxy = NULL;
obrpc::ObCreateTablegroupArg &create_tablegroup_arg = stmt.get_create_tablegroup_arg();
ObTablegroupSchema &tablegroup_schema = create_tablegroup_arg.tablegroup_schema_;
tablegroup_schema.set_part_func_expr_num(stmt.get_part_func_expr_num());
tablegroup_schema.set_sub_part_func_expr_num(stmt.get_sub_part_func_expr_num());
ObString first_stmt;
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
LOG_WARN("fail to get first stmt" , K(ret));
} else {
const_cast<obrpc::ObCreateTablegroupArg&>(create_tablegroup_arg).ddl_stmt_str_ = first_stmt;
}
if (OB_FAIL(ret)) {
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
ret = OB_NOT_INIT;
LOG_WARN("get task executor context failed");
} else if (OB_FAIL(ObPartitionExecutorUtils::calc_values_exprs(ctx, stmt))) {
LOG_WARN("compare range parition expr fail", K(ret));
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
LOG_WARN("get common rpc proxy failed", K(ret));
} else if (OB_ISNULL(common_rpc_proxy)){
ret = OB_ERR_UNEXPECTED;
LOG_WARN("common rpc proxy should not be null", K(ret));
} else {
obrpc::UInt64 tablegroup_id(0);
if (OB_FAIL(common_rpc_proxy->create_tablegroup(create_tablegroup_arg, tablegroup_id))) {
LOG_WARN("rpc proxy create tablegroup failed", K(ret));
}
}
LOG_INFO("finish execute create tablegroup.", K(stmt), K(ret));
return ret;
}
int ObDropTablegroupExecutor::execute(ObExecContext &ctx, ObDropTablegroupStmt &stmt)
{
int ret = OB_SUCCESS;
obrpc::ObRpcOpts rpc_opt;
ObTaskExecutorCtx *task_exec_ctx = NULL;
obrpc::ObCommonRpcProxy *common_rpc_proxy = NULL;
const obrpc::ObDropTablegroupArg &drop_tablegroup_arg = stmt.get_drop_tablegroup_arg();
ObString first_stmt;
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
LOG_WARN("fail to get first stmt" , K(ret));
} else {
const_cast<obrpc::ObDropTablegroupArg&>(drop_tablegroup_arg).ddl_stmt_str_ = first_stmt;
}
if (OB_FAIL(ret)) {
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
ret = OB_NOT_INIT;
LOG_WARN("get task executor context failed");
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
LOG_WARN("get common rpc proxy failed", K(ret));
} else if (OB_ISNULL(common_rpc_proxy)){
ret = OB_ERR_UNEXPECTED;
LOG_WARN("common rpc proxy should not be null", K(ret));
} else if (OB_FAIL(common_rpc_proxy->drop_tablegroup(drop_tablegroup_arg))) {
LOG_WARN("rpc proxy drop tablegroup failed", K(ret));
}
LOG_INFO("finish execute drop tablegroup.", K(stmt), K(ret));
return ret;
}
int ObAlterTablegroupExecutor::execute(ObExecContext &ctx, ObAlterTablegroupStmt &stmt)
{
int ret = OB_SUCCESS;
ObTaskExecutorCtx *task_exec_ctx = NULL;
obrpc::ObCommonRpcProxy *common_rpc_proxy = NULL;
obrpc::ObAlterTablegroupArg &alter_tablegroup_arg = stmt.get_alter_tablegroup_arg();
alter_tablegroup_arg.alter_tablegroup_schema_.set_part_func_expr_num(stmt.get_part_func_expr_num());
alter_tablegroup_arg.alter_tablegroup_schema_.set_sub_part_func_expr_num(stmt.get_sub_part_func_expr_num());
ObString first_stmt;
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
LOG_WARN("fail to get first stmt" , K(ret));
} else {
const_cast<obrpc::ObAlterTablegroupArg&>(alter_tablegroup_arg).ddl_stmt_str_ = first_stmt;
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(check_alter_partition(ctx, stmt, alter_tablegroup_arg))) {
LOG_WARN("check alter partition failed", K(ret));
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
ret = OB_NOT_INIT;
LOG_WARN("get task executor context failed");
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
LOG_WARN("get common rpc proxy failed", K(ret));
} else if (OB_ISNULL(common_rpc_proxy)){
ret = OB_ERR_UNEXPECTED;
LOG_WARN("common rpc proxy should not be null", K(ret));
} else if (OB_FAIL(common_rpc_proxy->alter_tablegroup(alter_tablegroup_arg))) {
LOG_WARN("rpc proxy alter table group failed", "dst", common_rpc_proxy->get_server(), K(ret), K(alter_tablegroup_arg));
}
return ret;
}
int ObAlterTablegroupExecutor::check_alter_partition(ObExecContext &ctx,
ObAlterTablegroupStmt &stmt,
const obrpc::ObAlterTablegroupArg &arg)
{
int ret = OB_SUCCESS;
if (arg.is_alter_partitions()) {
const ObTablegroupSchema &tablegroup_schema = arg.alter_tablegroup_schema_;
if (arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::ADD_PARTITION)
|| arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::PARTITIONED_TABLE)
|| arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::REORGANIZE_PARTITION)
|| arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::SPLIT_PARTITION)) {
ObPartition **partition_array = tablegroup_schema.get_part_array();
int64_t real_part_num = tablegroup_schema.get_partition_num();
const int64_t fun_expr_num = stmt.get_part_func_expr_num();
if (arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::SPLIT_PARTITION)) {
real_part_num = tablegroup_schema.get_part_option().get_part_num();
}
if (tablegroup_schema.is_range_part()) {
ObSEArray<ObObj, 8> range_partition_obj;
ObIArray<ObRawExpr *> &range_values_exprs = stmt.get_part_values_exprs();
if (OB_ISNULL(partition_array)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("partition_array is NULL", K(ret));
} else if (OB_FAIL(ObPartitionExecutorUtils::cast_range_expr_to_obj(
ctx,
range_values_exprs,
fun_expr_num,
stmt::T_ALTER_TABLEGROUP,
false, //is_subpart
real_part_num,
partition_array,
NULL,
range_partition_obj))) {
LOG_WARN("partition_array is NULL", K(ret));
}
} else if (tablegroup_schema.is_list_part()) {
if (OB_ISNULL(partition_array)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("partition_array is NULL", K(ret));
} else if (OB_FAIL(ObPartitionExecutorUtils::cast_list_expr_to_obj(ctx,
stmt,
false,
partition_array,
NULL))) {
LOG_WARN("failed cast list to expr", K(ret));
}
} else if (!arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::PARTITIONED_TABLE)) {
ret = OB_ERR_ONLY_ON_RANGE_LIST_PARTITION;
LOG_WARN("unexpected partition type", K(ret),
"partition type", tablegroup_schema.get_part_option().get_part_func_type());
}
if (OB_FAIL(ret)) {
} else if (arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::SPLIT_PARTITION)) {
//由于split在不引起二义性的情况下，可以不指定high_value，part_num需要和实际range_value_expr对应
//在解析完成后可以置为正确的partition_num
const_cast<ObTablegroupSchema &>(tablegroup_schema).get_part_option().set_part_num(
tablegroup_schema.get_partition_num());
}
} else if (arg.alter_option_bitset_.has_member(obrpc::ObAlterTablegroupArg::DROP_PARTITION)) {
// do-nothing
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("no operation", K(arg), K(ret));
}
LOG_DEBUG("dump table schema", K(tablegroup_schema));
}
return ret;
}
} // namespace sql
} // namespace oceanbase
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