/**
 * 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 SHARE_SCHEMA
#include "ob_inner_table_schema.h"

#include "share/schema/ob_schema_macro_define.h"
#include "share/schema/ob_schema_service_sql_impl.h"
#include "share/schema/ob_table_schema.h"

namespace oceanbase
{
using namespace share::schema;
using namespace common;
namespace share
{

int ObInnerTableSchema::gv_plan_cache_stat_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(combine_id(OB_SYS_TENANT_ID, OB_SYS_TABLEGROUP_ID));
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_SYS_DATABASE_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_GV_PLAN_CACHE_STAT_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_GV_PLAN_CACHE_STAT_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(   SELECT tenant_id,svr_ip,svr_port,sql_num,mem_used,mem_hold,access_count,   hit_count,hit_rate,plan_num,mem_limit,hash_bucket,stmtkey_num   FROM oceanbase.__all_virtual_plan_cache_stat WHERE     is_serving_tenant(svr_ip, svr_port, effective_tenant_id())     and (tenant_id = effective_tenant_id() or effective_tenant_id() = 1) )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::gv_plan_cache_plan_stat_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(combine_id(OB_SYS_TENANT_ID, OB_SYS_TABLEGROUP_ID));
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_SYS_DATABASE_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_GV_PLAN_CACHE_PLAN_STAT_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_GV_PLAN_CACHE_PLAN_STAT_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT tenant_id,svr_ip,svr_port,plan_id,sql_id,type,is_bind_sensitive,is_bind_aware,db_id,statement,query_sql,special_params,param_infos, sys_vars,plan_hash,first_load_time,schema_version,merged_version,last_active_time,avg_exe_usec,slowest_exe_time,slowest_exe_usec,slow_count,hit_count,plan_size,executions,disk_reads,direct_writes,buffer_gets,application_wait_time,concurrency_wait_time,user_io_wait_time,rows_processed,elapsed_time,cpu_time,large_querys,delayed_large_querys,delayed_px_querys,outline_version,outline_id,outline_data,acs_sel_info,table_scan,evolution, evo_executions, evo_cpu_time, timeout_count, ps_stmt_id, sessid, temp_tables, is_use_jit,object_type,hints_info,hints_all_worked, pl_schema_id, is_batched_multi_stmt FROM oceanbase.__all_virtual_plan_stat WHERE is_serving_tenant(svr_ip, svr_port, effective_tenant_id()) and (tenant_id = effective_tenant_id() or effective_tenant_id() = 1) )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::schemata_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_SCHEMATA_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_SCHEMATA_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(   SELECT 'def' AS CATALOG_NAME, DATABASE_NAME AS SCHEMA_NAME, 'utf8mb4' AS DEFAULT_CHARACTER_SET_NAME, 'utf8mb4_general_ci' AS DEFAULT_COLLATION_NAME, NULL AS SQL_PATH, 'NO' as DEFAULT_ENCRYPTION FROM oceanbase.__all_virtual_database a WHERE a.tenant_id = effective_tenant_id() and in_recyclebin = 0 and database_name != '__recyclebin' )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::character_sets_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_CHARACTER_SETS_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_CHARACTER_SETS_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(   SELECT CHARSET AS CHARACTER_SET_NAME, DEFAULT_COLLATION AS DEFAULT_COLLATE_NAME, DESCRIPTION, max_length AS MAXLEN FROM oceanbase.__tenant_virtual_charset )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::global_variables_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_GLOBAL_VARIABLES_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_GLOBAL_VARIABLES_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(   SELECT `variable_name` as VARIABLE_NAME, `value` as VARIABLE_VALUE  FROM oceanbase.__tenant_virtual_global_variable )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::statistics_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_STATISTICS_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_STATISTICS_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(   SELECT 'def' as TABLE_CATALOG, table_schema AS TABLE_SCHEMA,       `table` as TABLE_NAME, non_unique AS NON_UNIQUE, index_schema as INDEX_SCHEMA,       key_name as INDEX_NAME, seq_in_index as SEQ_IN_INDEX, column_name as COLUMN_NAME,       collation as COLLATION, cardinality as CARDINALITY, sub_part as SUB_PART,       packed as PACKED, `null` as NULLABLE, index_type as INDEX_TYPE, COMMENT,       index_comment as INDEX_COMMENT, is_visible as IS_VISIBLE FROM oceanbase.__tenant_virtual_table_index )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::views_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_VIEWS_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_VIEWS_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(select /*+ READ_CONSISTENCY(WEAK) */ 'def' AS TABLE_CATALOG,                    d.database_name as TABLE_SCHEMA,                    t.table_name as TABLE_NAME,                    t.view_definition as VIEW_DEFINITION,                    'NONE' as CHECK_OPTION,                    case t.view_is_updatable when 1 then 'YES' else 'NO' end as IS_UPDATABLE,                    'NONE' as DEFINER,                    'NONE' AS SECURITY_TYPE,                    case t.collation_type when 45 then 'utf8mb4' else 'NONE' end AS CHARACTER_SET_CLIENT,                    case t.collation_type when 45 then 'utf8mb4_general_ci' else 'NONE' end AS COLLATION_CONNECTION                    from oceanbase.__all_virtual_table as t join oceanbase.__all_virtual_database as d on t.tenant_id = effective_tenant_id() and d.tenant_id = effective_tenant_id() and t.database_id = d.database_id                    where (t.table_type = 1 or t.table_type = 4) and d.in_recyclebin = 0 and d.database_name != '__recyclebin' and d.database_name != 'information_schema' and d.database_name != 'oceanbase' and 0 = sys_privilege_check('table_acc', effective_tenant_id(), d.database_name, t.table_name) )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::tables_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_TABLES_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_TABLES_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(select /*+ READ_CONSISTENCY(WEAK), use_merge(b, c, d, e)*/ 'def' as TABLE_CATALOG,                     b.database_name as TABLE_SCHEMA,                     a.table_name as TABLE_NAME,                     case when a.database_id & 0xFFFFFFFFFF = 2 then 'SYSTEM VIEW' when (a.table_type = 1 or a.table_type = 4) then 'VIEW' when a.table_type = 2 then 'SYSTEM TABLE' when a.table_type = 1 then 'INDEX' else 'BASE TABLE' end as TABLE_TYPE,                     NULL as ENGINE,                     NULL as VERSION,                     NULL as ROW_FORMAT,                     sum(c.row_count) as TABLE_ROWS,                     case when sum(c.row_count) = 0 then 0 else sum(c.data_size)/sum(c.row_count) end as AVG_ROW_LENGTH,                     sum(c.data_size) as DATA_LENGTH,                     NULL as MAX_DATA_LENGTH,                     NULL as INDEX_LENGTH,                     NULL as DATA_FREE,                     NULL as AUTO_INCREMENT,                     a.gmt_create as CREATE_TIME,                     a.gmt_modified as UPDATE_TIME,                     NULL as CHECK_TIME,                     d.collation as TABLE_COLLATION,                     cast(NULL as unsigned) as CHECKSUM,                     NULL as CREATE_OPTIONS,                     a.comment as TABLE_COMMENT                     from oceanbase.__all_virtual_table a                     inner join oceanbase.__all_virtual_database b on a.database_id = b.database_id                     left join oceanbase.__all_virtual_tenant_partition_meta_table c on a.table_id = c.table_id and c.tenant_id = effective_tenant_id() and a.tenant_id = c.tenant_id and c.role = 1                     inner join oceanbase.__all_collation d on a.collation_type = d.id                     where a.tenant_id = effective_tenant_id() and b.tenant_id = effective_tenant_id() and a.table_type != 5 and b.database_name != '__recyclebin' and b.in_recyclebin = 0 and 0 = sys_privilege_check('table_acc', effective_tenant_id(), b.database_name, a.table_name)                     group by a.table_id, b.database_name, a.table_name, a.table_type, a.gmt_create, a.gmt_modified, d.collation, a.comment )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::collations_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_COLLATIONS_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_COLLATIONS_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(select collation as COLLATION_NAME, charset as CHARACTER_SET_NAME, id as ID, `is_default` as IS_DEFAULT, is_compiled as IS_COMPILED, sortlen as SORTLEN from oceanbase.__tenant_virtual_collation )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::collation_character_set_applicability_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_COLLATION_CHARACTER_SET_APPLICABILITY_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_COLLATION_CHARACTER_SET_APPLICABILITY_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(select collation as COLLATION_NAME, charset as CHARACTER_SET_NAME from oceanbase.__tenant_virtual_collation )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::processlist_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_PROCESSLIST_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_PROCESSLIST_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(SELECT id AS ID, user AS USER, host AS HOST, db AS DB, command AS COMMAND, time AS TIME, state AS STATE, info AS INFO FROM oceanbase.__all_virtual_processlist WHERE  is_serving_tenant(svr_ip, svr_port, effective_tenant_id()) )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::key_column_usage_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_KEY_COLUMN_USAGE_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_KEY_COLUMN_USAGE_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__((select /*+ READ_CONSISTENCY(WEAK) */ 'def' as CONSTRAINT_CATALOG,                     c.database_name as  CONSTRAINT_SCHEMA,                     'PRIMARY' as CONSTRAINT_NAME, 'def' as TABLE_CATALOG,                     c.database_name as TABLE_SCHEMA,                     a.table_name as TABLE_NAME,                     b.column_name as COLUMN_NAME,                     b.rowkey_position as ORDINAL_POSITION,                     NULL as POSITION_IN_UNIQUE_CONSTRAINT,                     NULL as REFERENCED_TABLE_SCHEMA,                     NULL as REFERENCED_TABLE_NAME,                     NULL as REFERENCED_COLUMN_NAME                     from oceanbase.__all_virtual_table a                     inner join oceanbase.__all_virtual_column b on a.table_id = b.table_id                     inner join oceanbase.__all_virtual_database c on a.database_id = c.database_id                     where a.tenant_id = effective_tenant_id() and b.tenant_id = effective_tenant_id() and c.tenant_id = effective_tenant_id() and c.in_recyclebin = 0 and c.database_name != '__recyclebin' and b.rowkey_position > 0 and b.column_id >= 16 and a.table_type != 5 and b.column_flags & (0x1 << 8) = 0)                     union all (select /*+ READ_CONSISTENCY(WEAK) */ 'def' as CONSTRAINT_CATALOG,                     d.database_name as CONSTRAINT_SCHEMA,                     substr(a.table_name, 2 + length(substring_index(a.table_name,'_',4))) as CONSTRAINT_NAME,                     'def' as TABLE_CATALOG,                     d.database_name as TABLE_SCHEMA,                     c.table_name as TABLE_NAME,                     b.column_name as COLUMN_NAME,                     b.index_position as ORDINAL_POSITION,                     NULL as POSITION_IN_UNIQUE_CONSTRAINT,                     NULL as REFERENCED_TABLE_SCHEMA,                     NULL as REFERENCED_TABLE_NAME,                     NULL as REFERENCED_COLUMN_NAME                     from oceanbase.__all_virtual_table a                     inner join oceanbase.__all_virtual_column b on a.table_id = b.table_id                     inner join oceanbase.__all_virtual_table c on a.data_table_id = c.table_id                     inner join oceanbase.__all_virtual_database d on c.database_id = d.database_id                     where a.tenant_id = effective_tenant_id() and b.tenant_id = effective_tenant_id() and c.tenant_id = effective_tenant_id() and d.in_recyclebin = 0 and d.tenant_id = effective_tenant_id() and d.database_name != '__recyclebin' and a.table_type = 5 and a.index_type in (2, 4, 8) and b.index_position > 0)                     union all (select /*+ READ_CONSISTENCY(WEAK) */ 'def' as CONSTRAINT_CATALOG,                     d.database_name as CONSTRAINT_SCHEMA,                     f.foreign_key_name as CONSTRAINT_NAME,                     'def' as TABLE_CATALOG,                     d.database_name as TABLE_SCHEMA,                     t.table_name as TABLE_NAME,                     c.column_name as COLUMN_NAME,                     fc.position as ORDINAL_POSITION,                     NULL as POSITION_IN_UNIQUE_CONSTRAINT, /* POSITION_IN_UNIQUE_CONSTRAINT is not supported now */                     d2.database_name as REFERENCED_TABLE_SCHEMA,                     t2.table_name as REFERENCED_TABLE_NAME,                     c2.column_name as REFERENCED_COLUMN_NAME                     from                     oceanbase.__all_virtual_foreign_key f                     inner join oceanbase.__all_virtual_table t on f.child_table_id = t.table_id                     inner join oceanbase.__all_virtual_database d on t.database_id = d.database_id                     inner join oceanbase.__all_virtual_foreign_key_column fc on f.foreign_key_id = fc.foreign_key_id                     inner join oceanbase.__all_virtual_column c on fc.child_column_id = c.column_id and t.table_id = c.table_id                     inner join oceanbase.__all_virtual_table t2 on f.parent_table_id = t2.table_id                     inner join oceanbase.__all_virtual_database d2 on t2.database_id = d2.database_id                     inner join oceanbase.__all_virtual_column c2 on fc.parent_column_id = c2.column_id and t2.table_id = c2.table_id                     where f.tenant_id = effective_tenant_id() and fc.tenant_id = effective_tenant_id()                           and t.tenant_id = effective_tenant_id() and d.tenant_id = effective_tenant_id() and c.tenant_id = effective_tenant_id()                           and t2.tenant_id = effective_tenant_id() and d2.tenant_id = effective_tenant_id() and c2.tenant_id = effective_tenant_id())                     )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::dba_outlines_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_DBA_OUTLINES_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_DBA_OUTLINES_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(select /*+ READ_CONSISTENCY(WEAK)*/ a.name as NAME, a.owner as OWNER, b.database_name as DB_NAME, NULL as CATEGORY,                      a.used as USED, a.gmt_create as TIMESTAMP, a.version as VERSION, a.sql_text as SQL_TEXT, a.signature as SIGNATURE, a.compatible as COMPATIBLE,                      a.enabled as ENABLED, a.format as FORMAT, a.outline_content as OUTLINE_CONTENT, a.outline_target as OUTLINE_TARGET, a.owner_id as OWNER_ID from oceanbase.__all_virtual_outline a inner join oceanbase.__all_virtual_database b on a.database_id = b.database_id                      where a.tenant_id = effective_tenant_id() and b.tenant_id = effective_tenant_id() and b.in_recyclebin = 0 )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::engines_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_ENGINES_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_ENGINES_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT *     FROM oceanbase.__all_virtual_engine )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}

int ObInnerTableSchema::routines_schema(ObTableSchema &table_schema)
{
  int ret = OB_SUCCESS;
  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;

  //generated fields:
  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
  table_schema.set_tablegroup_id(OB_INVALID_ID);
  table_schema.set_database_id(combine_id(OB_SYS_TENANT_ID, OB_INFORMATION_SCHEMA_ID));
  table_schema.set_table_id(combine_id(OB_SYS_TENANT_ID, OB_ROUTINES_TID));
  table_schema.set_rowkey_split_pos(0);
  table_schema.set_is_use_bloomfilter(false);
  table_schema.set_progressive_merge_num(0);
  table_schema.set_rowkey_column_num(0);
  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
  table_schema.set_table_type(SYSTEM_VIEW);
  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_table_name(OB_ROUTINES_TNAME))) {
      LOG_ERROR("fail to set table_name", K(ret));
    }
  }

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
      LOG_ERROR("fail to set compress_func_name", K(ret));
    }
  }
  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
  table_schema.set_charset_type(ObCharset::get_default_charset());
  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
  table_schema.set_create_mem_version(1);

  if (OB_SUCC(ret)) {
    if (OB_FAIL(table_schema.set_view_definition(R"__( select                             SPECIFIC_NAME,                             'def' as ROUTINE_CATALOG,                             db as ROUTINE_SCHEMA,                             name as ROUTINE_NAME,                             type as ROUTINE_TYPE,                             '' as DATA_TYPE,                             NULL as CHARACTER_MAXIMUM_LENGTH,                             NULL as CHARACTER_OCTET_LENGTH,                             NULL as NUMERIC_PRECISION,                             NULL as NUMERIC_SCALE,                             NULL as DATETIME_PRECISION,                             NULL as CHARACTER_SET_NAME,                             NULL as COLLATION_NAME,                             NULL as DTD_IDENTIFIER,                             'SQL' as ROUTINE_BODY,                             body as ROUTINE_DEFINITION,                             NULL as EXTERNAL_NAME,                             NULL as EXTERNAL_LANGUAGE,                             'SQL' as PARAMETER_STYLE,                             IS_DETERMINISTIC,                             SQL_DATA_ACCESS,                             NULL as SQL_PATH,                             SECURITY_TYPE,                             CREATED,                             modified as LAST_ALTERED,                             SQL_MODE,                             comment as ROUTINE_COMMENT,                             DEFINER,                             CHARACTER_SET_CLIENT,                             COLLATION_CONNECTION,                             collation_database as DATABASE_COLLATION                             from mysql.proc; )__"))) {
      LOG_ERROR("fail to set view_definition", K(ret));
    }
  }
  table_schema.set_index_using_type(USING_BTREE);
  table_schema.set_row_store_type(FLAT_ROW_STORE);
  table_schema.set_store_format(OB_STORE_FORMAT_COMPACT_MYSQL);
  table_schema.set_progressive_merge_round(1);
  table_schema.set_storage_format_version(3);

  table_schema.set_max_used_column_id(column_id);
  table_schema.get_part_option().set_max_used_part_id(table_schema.get_part_option().get_part_num() - 1);
  table_schema.get_part_option().set_partition_cnt_within_partition_table(OB_ALL_CORE_TABLE_TID == common::extract_pure_id(table_schema.get_table_id()) ? 1 : 0);
  return ret;
}


} // end namespace share
} // end namespace oceanbase
