/**
 * 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_RESV
#include "sql/ob_sql_context.h"
#include <algorithm>
#include "lib/container/ob_se_array_iterator.h"
#include "sql/resolver/dml/ob_sql_hint.h"
#include "sql/ob_sql_define.h"
#include "sql/optimizer/ob_log_plan.h"
#include "share/schema/ob_schema_getter_guard.h"
#include "sql/dblink/ob_dblink_utils.h"
#include "src/storage/tx/ob_trans_define_v4.h"

using namespace ::oceanbase::common;
namespace oceanbase
{
using namespace share::schema;
namespace sql
{
bool LocationConstraint::operator==(const LocationConstraint &other) const {
 return key_ == other.key_ && phy_loc_type_ == other.phy_loc_type_ && constraint_flags_ == other.constraint_flags_ ;
}

bool LocationConstraint::operator!=(const LocationConstraint &other) const {
 return !(*this == other);
}

int LocationConstraint::calc_constraints_inclusion(const ObLocationConstraint *left,
 const ObLocationConstraint *right,
 InclusionType &inclusion_result)
{
 int ret = OB_SUCCESS;
 inclusion_result = NotSubset;
 if (OB_ISNULL(left) || OB_ISNULL(right)) {
 ret = OB_INVALID_ARGUMENT;
 LOG_WARN("invalid argument", K(left), K(right));
 } else {
 const ObLocationConstraint *set1 = NULL, *set2 = NULL;
 bool is_subset = true;
 // insure set1.count() >= set2.count()
 if (left->count() >= right->count()) {
 inclusion_result = LeftIsSuperior;
 set1 = left;
 set2 = right;
 } else {
 inclusion_result = RightIsSuperior;
 set1 = right;
 set2 = left;
 }

 for (int64_t i = 0; is_subset && i < set2->count(); i++) {
 bool detected = false;
 for (int64_t j = 0; !detected && j < set1->count(); j++) {
 if (set2->at(i) == set1->at(j)) {
 detected = true;
 }
 }
 // if the element is not in set1, set1 can not contain all the elements in set2
 if (!detected) {
 is_subset = false;
 }
 }
 if (!is_subset) {
 inclusion_result = NotSubset;
 }
 }

 return ret;
}

int ObLocationConstraintContext::calc_constraints_inclusion(const ObPwjConstraint *left,
 const ObPwjConstraint *right,
 InclusionType &inclusion_result)
{
 int ret = OB_SUCCESS;
 inclusion_result = NotSubset;
 if (OB_ISNULL(left) || OB_ISNULL(right)) {
 ret = OB_ERR_UNEXPECTED;
 LOG_WARN("get unexpected null", K(ret), K(left), K(right));
 } else {
 const ObPwjConstraint *set1 = NULL, *set2 = NULL;
 bool is_subset = true;
 // insure set1.count() >= set2.count()
 if (left->count() >= right->count()) {
 inclusion_result = LeftIsSuperior;
 set1 = left;
 set2 = right;
 } else {
 inclusion_result = RightIsSuperior;
 set1 = right;
 set2 = left;
 }

 for (int64_t i = 0; is_subset && i < set2->count(); i++) {
 bool detected = false;
 for (int64_t j = 0; !detected && j < set1->count(); j++) {
 if (set2->at(i) == set1->at(j)) {
 detected = true;
 }
 }
 // if the element is not in set1, set1 can not contain all the elements in set2
 if (!detected) {
 is_subset = false;
 }
 }
 if (!is_subset) {
 inclusion_result = NotSubset;
 }
 }

 return ret;
}

int ObQueryRetryInfo::init()
{
 int ret = OB_SUCCESS;
 if (OB_UNLIKELY(inited_)) {
 ret = OB_INIT_TWICE;
 LOG_ERROR("init twice", K(ret));
 } else {
 inited_ = true;
 }
 return ret;
}

void ObQueryRetryInfo::reset()
{
 inited_ = false;
 is_rpc_timeout_ = false;
 last_query_retry_err_ = OB_SUCCESS;
 retry_cnt_ = 0;
 query_switch_leader_retry_timeout_ts_ = 0;
}

void ObQueryRetryInfo::clear()
{
 // 这里不能将inited_设为false
 is_rpc_timeout_ = false;
 //last_query_retry_err_ = OB_SUCCESS;
}

void ObQueryRetryInfo::set_is_rpc_timeout(bool is_rpc_timeout)
{
 is_rpc_timeout_ = is_rpc_timeout;
}

bool ObQueryRetryInfo::is_rpc_timeout() const
{
 return is_rpc_timeout_;
}

ObSqlCtx::ObSqlCtx()
 : session_info_(NULL),
 schema_guard_(NULL),
 secondary_namespace_(NULL),
 plan_cache_hit_(false),
 self_add_plan_(false),
 disable_privilege_check_(PRIV_CHECK_FLAG_NORMAL),
 force_print_trace_(false),
 is_show_trace_stmt_(false),
 retry_times_(OB_INVALID_COUNT),
 exec_type_(InvalidType),
 is_prepare_protocol_(false),
 is_pre_execute_(false),
 is_prepare_stage_(false),
 is_dynamic_sql_(false),
 is_dbms_sql_(false),
 is_cursor_(false),
 is_remote_sql_(false),
 statement_id_(common::OB_INVALID_ID),
 stmt_type_(stmt::T_NONE),
 is_restore_(false),
 need_late_compile_(false),
 all_plan_const_param_constraints_(nullptr),
 all_possible_const_param_constraints_(nullptr),
 all_equal_param_constraints_(nullptr),
 all_pre_calc_constraints_(nullptr),
 all_expr_constraints_(nullptr),
 all_priv_constraints_(nullptr),
 need_match_all_params_(false),
 is_ddl_from_primary_(false),
 cur_stmt_(NULL),
 cur_plan_(nullptr),
 can_reroute_sql_(false),
 is_sensitive_(false),
 is_protocol_weak_read_(false),
 flashback_query_expr_(nullptr),
 is_execute_call_stmt_(false),
 enable_sql_resource_manage_(false),
 res_map_rule_id_(OB_INVALID_ID),
 res_map_rule_param_idx_(OB_INVALID_INDEX),
 res_map_rule_version_(0),
 is_text_ps_mode_(false),
 first_plan_hash_(0),
 is_bulk_(false),
 ins_opt_ctx_(),
 flags_(0),
 reroute_info_(nullptr)
{
 sql_id_[0] = '0円';
 sql_id_[common::OB_MAX_SQL_ID_LENGTH] = '0円';
}

void ObSqlCtx::reset()
{
 multi_stmt_item_.reset();
 session_info_ = NULL;
 schema_guard_ = NULL;
 plan_cache_hit_ = false;
 self_add_plan_ = false;
 disable_privilege_check_ = PRIV_CHECK_FLAG_NORMAL;
 force_print_trace_ = false;
 is_show_trace_stmt_ = false;
 retry_times_ = OB_INVALID_COUNT;
 sql_id_[0] = '0円';
 sql_id_[common::OB_MAX_SQL_ID_LENGTH] = '0円';
 exec_type_ = InvalidType;
 is_prepare_protocol_ = false;
 is_pre_execute_ = false;
 is_prepare_stage_ = false;
 is_dynamic_sql_ = false;
 is_remote_sql_ = false;
 is_restore_ = false;
 need_late_compile_ = false;
 all_plan_const_param_constraints_ = nullptr;
 all_possible_const_param_constraints_ = nullptr;
 all_equal_param_constraints_ = nullptr;
 all_pre_calc_constraints_ = nullptr;
 all_expr_constraints_ = nullptr;
 all_priv_constraints_ = nullptr;
 need_match_all_params_ = false;
 is_ddl_from_primary_ = false;
 can_reroute_sql_ = false;
 is_sensitive_ = false;
 enable_sql_resource_manage_ = false;
 res_map_rule_id_ = OB_INVALID_ID;
 res_map_rule_param_idx_ = OB_INVALID_INDEX;
 res_map_rule_version_ = 0;
 is_protocol_weak_read_ = false;
 first_plan_hash_ = 0;
 first_outline_data_.reset();
 if (nullptr != reroute_info_) {
 reroute_info_->reset();
 op_reclaim_free(reroute_info_);
 reroute_info_ = nullptr;
 }
 clear();
 flashback_query_expr_ = nullptr;
 stmt_type_ = stmt::T_NONE;
 cur_plan_ = nullptr;
 is_execute_call_stmt_ = false;
 is_text_ps_mode_ = false;
 enable_strict_defensive_check_ = false;
 enable_user_defined_rewrite_ = false;
 is_bulk_ = false;
 ins_opt_ctx_.reset();
}

//release dynamic allocated memory
void ObSqlCtx::clear()
{
 partition_infos_.reset();
 related_user_var_names_.reset();
 base_constraints_.reset();
 strict_constraints_.reset();
 non_strict_constraints_.reset();
 dup_table_replica_cons_.reset();
 multi_stmt_rowkey_pos_.reset();
 spm_ctx_.bl_key_.reset();
 cur_stmt_ = nullptr;
 is_text_ps_mode_ = false;
 ins_opt_ctx_.clear();
}

OB_SERIALIZE_MEMBER(ObSqlCtx, stmt_type_);

void ObSqlSchemaGuard::reset()
{
 table_schemas_.reset();
 schema_guard_ = NULL;
 allocator_.reset();
 next_link_table_id_ = 1;
 dblink_scn_.reuse();
}

TableItem *ObSqlSchemaGuard::get_table_item_by_ref_id(const ObDMLStmt *stmt, uint64_t ref_table_id)
{
 TableItem *table_item = NULL;
 if (NULL != stmt) {
 const common::ObIArray<sql::TableItem*> &table_items = stmt->get_table_items();
 int64_t num = table_items.count();
 for (int64_t i = 0; i < num; ++i) {
 if (table_items.at(i) != NULL && table_items.at(i)->ref_id_ == ref_table_id) {
 table_item = table_items.at(i);
 break;
 }
 }
 }
 return table_item;
}

bool ObSqlSchemaGuard::is_link_table(const ObDMLStmt *stmt, uint64_t table_id)
{
 bool is_link = false;
 TableItem *table_item = NULL;
 if (NULL != stmt) {
 table_item = stmt->get_table_item_by_id(table_id);
 is_link = (NULL == table_item) ? false : table_item->is_link_table();
 }
 return is_link;
}

int ObSqlSchemaGuard::get_dblink_schema(const uint64_t tenant_id,
 const uint64_t dblink_id,
 const share::schema::ObDbLinkSchema *&dblink_schema)
{
 int ret = OB_SUCCESS;
 if (OB_ISNULL(schema_guard_)) {
 ret = OB_ERR_UNEXPECTED;
 LOG_WARN("unexpect null schema guard", K(ret));
 } else if (OB_FAIL(schema_guard_->get_dblink_schema(tenant_id,
 dblink_id,
 dblink_schema))) {
 LOG_WARN("failed to get dblink schema", K(ret));
 }
 return ret;
}

int ObSqlSchemaGuard::set_link_table_schema(uint64_t dblink_id,
 const common::ObString &database_name,
 share::schema::ObTableSchema *table_schema)
{
 int ret = OB_SUCCESS;
 table_schema->set_dblink_id(dblink_id);
 table_schema->set_table_type(share::schema::ObTableType::USER_TABLE);
 OX(table_schema->set_link_database_name(database_name);)
 OX (table_schema->set_table_id(next_link_table_id_++));
 OX (table_schema->set_link_table_id(table_schema->get_table_id()));
 OV (table_schema->get_table_id() != OB_INVALID_ID,
 OB_ERR_UNEXPECTED, dblink_id, next_link_table_id_);
 if (OB_FAIL(table_schemas_.push_back(table_schema))) {
 LOG_WARN("failed to push back table schema", K(ret));
 }
 return ret;
}

int ObSqlSchemaGuard::get_table_schema(uint64_t dblink_id,
 const ObString &database_name,
 const ObString &table_name,
 const ObTableSchema *&table_schema,
 sql::ObSQLSessionInfo *session_info,
 const ObString &dblink_name,
 bool is_reverse_link)
{
 int ret = OB_SUCCESS;
 int64_t schema_count = table_schemas_.count();
 table_schema = NULL;
 const uint64_t tenant_id = MTL_ID();
 for (int64_t i = 0; OB_SUCC(ret) && OB_ISNULL(table_schema) && i < schema_count; i++) {
 // database_name和table_name直接调用compare接口,使用memcmp语义比较,避免多字符集导致各种问题。
 const ObTableSchema *tmp_schema = table_schemas_.at(i);
 OV (OB_NOT_NULL(tmp_schema));
 if (OB_SUCC(ret) && dblink_id == tmp_schema->get_dblink_id() &&
 0 == database_name.compare(tmp_schema->get_link_database_name()) &&
 0 == table_name.compare(tmp_schema->get_table_name_str())) {
 table_schema = tmp_schema;
 }
 }
 if (OB_SUCC(ret) && OB_ISNULL(table_schema)) {
 ObTableSchema *tmp_schema = NULL;
 OV (OB_NOT_NULL(schema_guard_), OB_NOT_INIT);
 uint64_t current_scn = OB_INVALID_ID;
 uint64_t *scn = NULL;
 if (OB_SUCC(ret)) {
 if (OB_ISNULL(session_info)) {
 ret = OB_ERR_UNEXPECTED;
 LOG_WARN("session info is null", K(ret));
 } else {
 bool use_scn = (session_info->is_in_transaction() &&
 transaction::ObTxIsolationLevel::RC == session_info->get_tx_desc()->get_isolation_level())
 || !session_info->is_in_transaction();
 if (use_scn && OB_FAIL(get_link_current_scn(dblink_id, tenant_id, session_info, current_scn))) {
 if (OB_HASH_NOT_EXIST == ret) {
 scn = &current_scn;
 ret = OB_SUCCESS;
 } else {
 LOG_WARN("get link current scn failed", K(ret));
 }
 }
 }
 }
 OZ (schema_guard_->get_link_table_schema(tenant_id,
 dblink_id,
 database_name, table_name,
 allocator_, tmp_schema,
 session_info,
 dblink_name,
 is_reverse_link,
 scn));
 if (OB_SUCC(ret) && (NULL != scn)) {
 if (OB_FAIL(dblink_scn_.set_refactored(dblink_id, *scn))) {
 LOG_WARN("set refactored failed", K(ret));
 } else {
 LOG_TRACE("set dblink current scn", K(dblink_id), K(*scn));
 }
 }
 OV (OB_NOT_NULL(tmp_schema));
 OX (tmp_schema->set_table_id(next_link_table_id_++));
 OX (tmp_schema->set_link_table_id(tmp_schema->get_table_id()));
 OV (tmp_schema->get_table_id() != OB_INVALID_ID,
 OB_ERR_UNEXPECTED, dblink_id, next_link_table_id_);
 OZ (table_schemas_.push_back(tmp_schema));
 OX (table_schema = tmp_schema);
 }
 return ret;
}

int ObSqlSchemaGuard::get_table_schema(uint64_t table_id,
 uint64_t ref_table_id,
 const ObDMLStmt *stmt,
 const ObTableSchema *&table_schema)
{
 int ret = OB_SUCCESS;
 if (OB_ISNULL(stmt)) {
 ret = OB_INVALID_ARGUMENT;;
 LOG_WARN("get unexpected null", K(ret), K(stmt));
 } else {
 const TableItem *item = stmt->get_table_item_by_id(table_id);
 if (NULL != item && item->is_link_table()) {
 if (OB_FAIL(get_link_table_schema(ref_table_id, table_schema))) {
 LOG_WARN("failed to get link table schema", K(table_id), K(ret));
 }
 } else if (OB_FAIL(get_table_schema(ref_table_id, table_schema))) {
 LOG_WARN("failed to get table schema", K(table_id), K(ret));
 }
 }
 return ret;
}

int ObSqlSchemaGuard::get_table_schema(uint64_t table_id,
 const TableItem *table_item,
 const ObTableSchema *&table_schema)
{
 int ret = OB_SUCCESS;
 if (OB_ISNULL(table_item) ) {
 ret = OB_INVALID_ARGUMENT;
 LOG_WARN("get unexpected null", K(ret), K(table_item));
 } else if (table_item->is_link_table()) {
 if (OB_FAIL(get_link_table_schema(table_id, table_schema))) {
 LOG_WARN("failed to get link table schema", K(table_id), K(ret));
 }
 } else if (OB_FAIL(get_table_schema(table_id, table_schema))) {
 LOG_WARN("failed to get table schema", K(table_id), K(ret));
 }
 return ret;
}

int ObSqlSchemaGuard::get_table_schema(uint64_t table_id,
 const ObTableSchema *&table_schema,
 bool is_link /* = false*/) const
{
 int ret = OB_SUCCESS;
 if (is_link) {
 OZ (get_link_table_schema(table_id, table_schema), table_id, is_link);
 } else {
 const uint64_t tenant_id = MTL_ID();
 OV (OB_NOT_NULL(schema_guard_));
 OZ (schema_guard_->get_table_schema(tenant_id, table_id, table_schema), table_id, is_link);
 }
 return ret;
}

int ObSqlSchemaGuard::get_column_schema(uint64_t table_id, const ObString &column_name,
 const ObColumnSchemaV2 *&column_schema,
 bool is_link /* = false */) const
{
 int ret = OB_SUCCESS;
 if (is_link) {
 OZ (get_link_column_schema(table_id, column_name, column_schema),
 table_id, column_name, is_link);
 } else {
 const uint64_t tenant_id = MTL_ID();
 OV (OB_NOT_NULL(schema_guard_));
 OZ (schema_guard_->get_column_schema(tenant_id, table_id, column_name, column_schema),
 table_id, column_name, is_link);
 }
 return ret;
}

int ObSqlSchemaGuard::get_column_schema(uint64_t table_id, uint64_t column_id,
 const ObColumnSchemaV2 *&column_schema,
 bool is_link /* = false */) const
{
 int ret = OB_SUCCESS;
 if (is_link) {
 OZ (get_link_column_schema(table_id, column_id, column_schema),
 table_id, column_id, is_link);
 } else {
 const uint64_t tenant_id = MTL_ID();
 OV (OB_NOT_NULL(schema_guard_));
 OZ (schema_guard_->get_column_schema(tenant_id, table_id, column_id, column_schema),
 table_id, column_id, is_link);
 }
 return ret;
}

int ObSqlSchemaGuard::get_table_schema_version(const uint64_t table_id,
 int64_t &schema_version) const
{
 int ret = OB_SUCCESS;
 const uint64_t tenant_id = MTL_ID();
 OV (OB_NOT_NULL(schema_guard_));
 OZ (schema_guard_->get_schema_version(TABLE_SCHEMA, tenant_id, table_id, schema_version), table_id);
 return ret;
}

int ObSqlSchemaGuard::get_can_read_index_array(uint64_t table_id,
 uint64_t *index_tid_array,
 int64_t &size,
 bool with_mv,
 bool with_global_index,
 bool with_domain_index,
 bool with_spatial_index)
{
 int ret = OB_SUCCESS;
 const uint64_t tenant_id = MTL_ID();
 OV (OB_NOT_NULL(schema_guard_));
 OZ (schema_guard_->get_can_read_index_array(tenant_id, table_id,
 index_tid_array, size, with_mv,
 with_global_index, with_domain_index,
 with_spatial_index));
 return ret;
}

int ObSqlSchemaGuard::get_link_table_schema(uint64_t table_id,
 const ObTableSchema *&table_schema) const
{
 int ret = OB_SUCCESS;
 int64_t schema_count = table_schemas_.count();
 const ObTableSchema *tmp_schema = NULL;
 table_schema = NULL;
 for (int64_t i = 0; OB_SUCC(ret) && OB_ISNULL(table_schema) && i < schema_count; i++) {
 OX (tmp_schema = table_schemas_.at(i));
 OV (OB_NOT_NULL(tmp_schema));
 if (OB_SUCC(ret) && table_id == tmp_schema->get_table_id()) {
 table_schema = tmp_schema;
 }
 }
 return ret;
}

int ObSqlSchemaGuard::get_link_column_schema(uint64_t table_id, const ObString &column_name,
 const ObColumnSchemaV2 *&column_schema) const
{
 int ret = OB_SUCCESS;
 const ObTableSchema *table_schema = NULL;
 OZ (get_link_table_schema(table_id, table_schema), table_id);
 if (OB_NOT_NULL(table_schema)) {
 OX (column_schema = table_schema->get_column_schema(column_name));
 }
 return ret;
}

int ObSqlSchemaGuard::get_link_column_schema(uint64_t table_id, uint64_t column_id,
 const ObColumnSchemaV2 *&column_schema) const
{
 int ret = OB_SUCCESS;
 const ObTableSchema *table_schema = NULL;
 OZ (get_link_table_schema(table_id, table_schema), table_id);
 if (OB_NOT_NULL(table_schema)) {
 OX (column_schema = table_schema->get_column_schema(column_id));
 }
 return ret;
}

int ObSqlSchemaGuard::get_link_current_scn(uint64_t dblink_id, uint64_t tenant_id,
 ObSQLSessionInfo *session_info,
 uint64_t &current_scn)
{
 int ret = OB_SUCCESS;
 current_scn = OB_INVALID_ID;
 if (!dblink_scn_.created()) {
 if (OB_FAIL(dblink_scn_.create(4, "DblinkScnMap", "DblinkScnMap", tenant_id))) {
 LOG_WARN("create hash map failed", K(ret));
 } else {
 ret = OB_HASH_NOT_EXIST;
 }
 } else {
 if (OB_FAIL(dblink_scn_.get_refactored(dblink_id, current_scn))) {
 if (OB_HASH_NOT_EXIST != ret) {
 LOG_WARN("get dblink scn failed", K(ret));
 }
 }
 }
 return ret;
}

int ObSqlCtx::set_partition_infos(const ObTablePartitionInfoArray &info, ObIAllocator &allocator)
{
 int ret = OB_SUCCESS;
 int64_t count = info.count();
 partition_infos_.reset();
 if (count > 0) {
 partition_infos_.set_allocator(&allocator);
 if (OB_FAIL(partition_infos_.init(count))) {
 LOG_WARN("init partition info failed", K(ret), K(count));
 } else {
 for (int64_t i = 0; i < count && OB_SUCC(ret); ++i) {
 if (OB_FAIL(partition_infos_.push_back(info.at(i)))) {
 LOG_WARN("push partition info failed", K(ret), K(count));
 }
 }
 }
 }
 return ret;
}

int ObSqlCtx::set_related_user_var_names(const ObIArray<ObString> &user_var_names,
 ObIAllocator &allocator)
{
 int ret = OB_SUCCESS;
 if (user_var_names.count() > 0) {
 related_user_var_names_.reset();
 related_user_var_names_.set_allocator(&allocator);
 if (OB_FAIL(related_user_var_names_.init(user_var_names.count()))) {
 LOG_WARN("failed to init related_user_var_names", K(ret));
 } else {
 for (int64_t i = 0; OB_SUCC(ret) && i < user_var_names.count(); i++) {
 if (OB_FAIL(related_user_var_names_.push_back(user_var_names.at(i)))) {
 LOG_WARN("failed to push back user var names", K(ret));
 }
 }
 }
 }
 if (OB_FAIL(ret)) {
 related_user_var_names_.reset();
 }
 return ret;
}

int ObSqlCtx::set_location_constraints(const ObLocationConstraintContext &location_constraint,
 ObIAllocator &allocator)
{
 int ret = OB_SUCCESS;
 base_constraints_.reset();
 strict_constraints_.reset();
 non_strict_constraints_.reset();
 dup_table_replica_cons_.reset();
 const ObIArray<LocationConstraint> &base_constraints = location_constraint.base_table_constraints_;
 const ObIArray<ObPwjConstraint *> &strict_constraints = location_constraint.strict_constraints_;
 const ObIArray<ObPwjConstraint *> &non_strict_constraints = location_constraint.non_strict_constraints_;
 const ObIArray<ObDupTabConstraint> &dup_table_replica_cons = location_constraint.dup_table_replica_cons_;
 if (base_constraints.count() > 0) {
 base_constraints_.set_allocator(&allocator);
 if (OB_FAIL(base_constraints_.init(base_constraints.count()))) {
 LOG_WARN("init base constraints failed", K(ret));
 } else {
 for (int64_t i = 0; OB_SUCC(ret) && i < base_constraints.count(); i++) {
 if (OB_FAIL(base_constraints_.push_back(base_constraints.at(i)))) {
 LOG_WARN("failed to push back base constraint", K(ret));
 } else {
 // table_partition_info_仅在计划生成阶段使用
 base_constraints_.at(i).table_partition_info_ = NULL;
 }
 }
 LOG_DEBUG("set base constraints", K(base_constraints.count()));
 }
 }
 if (OB_SUCC(ret) && strict_constraints.count() > 0) {
 strict_constraints_.set_allocator(&allocator);
 if (OB_FAIL(strict_constraints_.init(strict_constraints.count()))) {
 LOG_WARN("init strict constraints failed", K(ret));
 } else {
 for (int64_t i = 0; OB_SUCC(ret) && i < strict_constraints.count(); i++) {
 if (OB_FAIL(strict_constraints_.push_back(strict_constraints.at(i)))) {
 LOG_WARN("failed to push back location constraint", K(ret));
 }
 }
 LOG_DEBUG("set strict constraints", K(strict_constraints.count()));
 }
 }
 if (OB_SUCC(ret) && non_strict_constraints.count() > 0) {
 non_strict_constraints_.set_allocator(&allocator);
 if (OB_FAIL(non_strict_constraints_.init(non_strict_constraints.count()))) {
 LOG_WARN("init non strict constraints failed", K(ret));
 } else {
 for (int64_t i = 0; OB_SUCC(ret) && i < non_strict_constraints.count(); i++) {
 if (OB_FAIL(non_strict_constraints_.push_back(non_strict_constraints.at(i)))) {
 LOG_WARN("failed to push back location constraint", K(ret));
 }
 }
 LOG_DEBUG("set non strict constraints", K(non_strict_constraints.count()));
 }
 }
 if (OB_SUCC(ret) && dup_table_replica_cons.count() > 0) {
 dup_table_replica_cons_.set_allocator(&allocator);
 if (OB_FAIL(dup_table_replica_cons_.init(dup_table_replica_cons.count()))) {
 LOG_WARN("init duplicate table replica constraints failed", K(ret));
 } else {
 for (int64_t i = 0; OB_SUCC(ret) && i < dup_table_replica_cons.count(); i++) {
 if (OB_FAIL(dup_table_replica_cons_.push_back(dup_table_replica_cons.at(i)))) {
 LOG_WARN("failed to push back location constraint", K(ret));
 }
 }
 LOG_DEBUG("set duplicate table replica constraints", K(dup_table_replica_cons.count()));
 }
 }
 return ret;
}

int ObSqlCtx::set_multi_stmt_rowkey_pos(const common::ObIArray<int64_t> &multi_stmt_rowkey_pos,
 common::ObIAllocator &alloctor)
{
 int ret = OB_SUCCESS;
 if (!multi_stmt_rowkey_pos.empty()) {
 multi_stmt_rowkey_pos_.set_allocator(&alloctor);
 if (OB_FAIL(multi_stmt_rowkey_pos_.init(multi_stmt_rowkey_pos.count()))) {
 LOG_WARN("failed to init rowkey count", K(ret));
 } else if (OB_FAIL(append(multi_stmt_rowkey_pos_, multi_stmt_rowkey_pos))) {
 LOG_WARN("failed to append multi stmt rowkey pos", K(ret));
 } else { /*do nothing*/ }
 }
 return ret;
}

}
}