if(OB_FAIL(table_schema.set_view_definition(R"__( select /*+ leading(a) no_use_nl(ts)*/ cast('def' as char(512)) as TABLE_CATALOG, cast(b.database_name as char(64)) collate utf8mb4_name_case as TABLE_SCHEMA, cast(a.table_name as char(64)) collate utf8mb4_name_case as TABLE_NAME, cast(case when (a.database_id = 201002 or a.table_type = 1) then 'SYSTEM VIEW' when a.table_type in (0, 2) then 'SYSTEM TABLE' when a.table_type = 4 then 'VIEW' else 'BASE TABLE' end as char(64)) as TABLE_TYPE, cast(case when a.table_type in (0,3,5,6,7,11,12,13,15) then 'InnoDB' else 'MEMORY' end as char(64)) as ENGINE, cast(NULL as unsigned) as VERSION, cast(a.store_format as char(10)) as ROW_FORMAT, cast( coalesce(ts.row_cnt,0) as unsigned) as TABLE_ROWS, cast( coalesce(ts.avg_row_len,0) as unsigned) as AVG_ROW_LENGTH, cast( coalesce(ts.data_size,0) as unsigned) as DATA_LENGTH, cast(NULL as unsigned) as MAX_DATA_LENGTH, cast(NULL as unsigned) as INDEX_LENGTH, cast(NULL as unsigned) as DATA_FREE, cast(NULL as unsigned) as AUTO_INCREMENT, cast(a.gmt_create as datetime) as CREATE_TIME, cast(a.gmt_modified as datetime) as UPDATE_TIME, cast(NULL as datetime) as CHECK_TIME, cast(d.collation as char(32)) as TABLE_COLLATION, cast(NULL as unsigned) as CHECKSUM, cast(NULL as char(255)) as CREATE_OPTIONS, cast(case when a.table_type = 4 then 'VIEW' else a.comment end as char(2048)) as TABLE_COMMENT from ( select cast(0 as signed) as tenant_id, c.database_id, c.table_id, c.table_name, c.collation_type, c.table_type, usec_to_time(d.schema_version) as gmt_create, usec_to_time(c.schema_version) as gmt_modified, c.comment, c.store_format from oceanbase.__all_virtual_core_all_table c join oceanbase.__all_virtual_core_all_table d on c.tenant_id = d.tenant_id and d.table_name = '__all_core_table' where c.tenant_id = effective_tenant_id() union all select tenant_id, database_id, table_id, table_name, collation_type, table_type, gmt_create, gmt_modified, comment, store_format from oceanbase.__all_table where table_mode >> 12 & 15 in (0,1)) a join oceanbase.__all_database b on a.database_id = b.database_id and a.tenant_id = b.tenant_id join oceanbase.__tenant_virtual_collation d on a.collation_type = d.collation_type left join ( select tenant_id, table_id, row_cnt, avg_row_len, (macro_blk_cnt * 2 * 1024 * 1024) as data_size from oceanbase.__all_table_stat where partition_id = -1 or partition_id = table_id) ts on a.table_id = ts.table_id and a.tenant_id = ts.tenant_id where a.tenant_id = 0 and a.table_type in (0, 1, 2, 3, 4, 14, 15) 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) )__"))){
if(OB_FAIL(table_schema.set_view_definition(R"__( select /*+ leading(a) no_use_nl(ts)*/ cast('def' as char(512)) as TABLE_CATALOG, cast(b.database_name as char(64)) collate utf8mb4_name_case as TABLE_SCHEMA, cast(a.table_name as char(64)) collate utf8mb4_name_case as TABLE_NAME, cast(case when (a.database_id = 201002 or a.table_type = 1) then 'SYSTEM VIEW' when a.table_type in (0, 2) then 'SYSTEM TABLE' when a.table_type = 4 then 'VIEW' when a.table_type = 14 then 'EXTERNAL TABLE' else 'BASE TABLE' end as char(64)) as TABLE_TYPE, cast(case when a.table_type in (0,3,5,6,7,11,12,13,15) then 'InnoDB' else 'MEMORY' end as char(64)) as ENGINE, cast(NULL as unsigned) as VERSION, cast(a.store_format as char(10)) as ROW_FORMAT, cast( coalesce(ts.row_cnt,0) as unsigned) as TABLE_ROWS, cast( coalesce(ts.avg_row_len,0) as unsigned) as AVG_ROW_LENGTH, cast( coalesce(ts.data_size,0) as unsigned) as DATA_LENGTH, cast(NULL as unsigned) as MAX_DATA_LENGTH, cast(NULL as unsigned) as INDEX_LENGTH, cast(NULL as unsigned) as DATA_FREE, cast(NULL as unsigned) as AUTO_INCREMENT, cast(a.gmt_create as datetime) as CREATE_TIME, cast(a.gmt_modified as datetime) as UPDATE_TIME, cast(NULL as datetime) as CHECK_TIME, cast(d.collation as char(32)) as TABLE_COLLATION, cast(NULL as unsigned) as CHECKSUM, cast(NULL as char(255)) as CREATE_OPTIONS, cast(case when a.table_type = 4 then 'VIEW' else a.comment end as char(2048)) as TABLE_COMMENT from ( select cast(0 as signed) as tenant_id, c.database_id, c.table_id, c.table_name, c.collation_type, c.table_type, usec_to_time(d.schema_version) as gmt_create, usec_to_time(c.schema_version) as gmt_modified, c.comment, c.store_format from oceanbase.__all_virtual_core_all_table c join oceanbase.__all_virtual_core_all_table d on c.tenant_id = d.tenant_id and d.table_name = '__all_core_table' where c.tenant_id = effective_tenant_id() union all select tenant_id, database_id, table_id, table_name, collation_type, table_type, gmt_create, gmt_modified, comment, store_format from oceanbase.__all_table where table_mode >> 12 & 15 in (0,1)) a join oceanbase.__all_database b on a.database_id = b.database_id and a.tenant_id = b.tenant_id join oceanbase.__tenant_virtual_collation d on a.collation_type = d.collation_type left join ( select tenant_id, table_id, row_cnt, avg_row_len, (macro_blk_cnt * 2 * 1024 * 1024) as data_size from oceanbase.__all_table_stat where partition_id = -1 or partition_id = table_id) ts on a.table_id = ts.table_id and a.tenant_id = ts.tenant_id where a.tenant_id = 0 and a.table_type in (0, 1, 2, 3, 4, 14, 15) 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) )__"))){
TABLE_PRIVILEGES CREATE VIEW `TABLE_PRIVILEGES` AS SELECT CAST(CONCAT('''', V.USER_NAME, '''', '@', '''', V.HOST, '''') AS CHAR(81)) AS GRANTEE , CAST('def' AS CHAR(512)) AS TABLE_CATALOG , CAST(V.DATABASE_NAME AS CHAR(128)) collate utf8mb4_name_case AS TABLE_SCHEMA , CAST(V.TABLE_NAME AS CHAR(64)) collate utf8mb4_name_case AS TABLE_NAME, CAST(V.PRIVILEGE_TYPE AS CHAR(64)) AS PRIVILEGE_TYPE , CAST(V.IS_GRANTABLE AS CHAR(3)) AS IS_GRANTABLE FROM (SELECT TP.DATABASE_NAME AS DATABASE_NAME, TP.TABLE_NAME AS TABLE_NAME, U.USER_NAME AS USER_NAME, U.HOST AS HOST, CASE WHEN V1.C1 = 1 AND TP.PRIV_ALTER = 1 THEN 'ALTER' WHEN V1.C1 = 2 AND TP.PRIV_CREATE = 1 THEN 'CREATE' WHEN V1.C1 = 4 AND TP.PRIV_DELETE = 1 THEN 'DELETE' WHEN V1.C1 = 5 AND TP.PRIV_DROP = 1 THEN 'DROP' WHEN V1.C1 = 7 AND TP.PRIV_INSERT = 1 THEN 'INSERT' WHEN V1.C1 = 8 AND TP.PRIV_UPDATE = 1 THEN 'UPDATE' WHEN V1.C1 = 9 AND TP.PRIV_SELECT = 1 THEN 'SELECT' WHEN V1.C1 = 10 AND TP.PRIV_INDEX = 1 THEN 'INDEX' WHEN V1.C1 = 11 AND TP.PRIV_CREATE_VIEW = 1 THEN 'CREATE VIEW' WHEN V1.C1 = 12 AND TP.PRIV_SHOW_VIEW = 1 THEN 'SHOW VIEW' ELSE NULL END PRIVILEGE_TYPE , CASE WHEN TP.PRIV_GRANT_OPTION = 1 THEN 'YES' WHEN TP.PRIV_GRANT_OPTION = 0 THEN 'NO' END IS_GRANTABLE FROM oceanbase.__all_table_privilege TP, oceanbase.__all_user U, (SELECT 1 AS C1 UNION ALL SELECT 2 AS C1 UNION ALL SELECT 4 AS C1 UNION ALL SELECT 5 AS C1 UNION ALL SELECT 7 AS C1 UNION ALL SELECT 8 AS C1 UNION ALL SELECT 9 AS C1 UNION ALL SELECT 10 AS C1 UNION ALL SELECT 11 AS C1 UNION ALL SELECT 12 AS C1) V1, (SELECT USER_ID FROM oceanbase.__all_user WHERE TENANT_ID = 0 AND CONCAT(USER_NAME, '@', HOST) = CURRENT_USER()) CURR LEFT JOIN (SELECT USER_ID FROM oceanbase.__all_database_privilege WHERE TENANT_ID = 0 AND DATABASE_NAME = 'mysql' AND PRIV_SELECT = 1) DB ON CURR.USER_ID = DB.USER_ID WHERE TP.TENANT_ID = 0 AND TP.TENANT_ID = U.TENANT_ID AND TP.USER_ID = U.USER_ID AND (DB.USER_ID IS NOT NULL OR 512 & CURRENT_USER_PRIV() = 512 OR TP.USER_ID = CURR.USER_ID)) V WHERE V.PRIVILEGE_TYPE IS NOT NULL utf8mb4 utf8mb4_general_ci
TABLES CREATE VIEW `TABLES` AS select /*+ leading(a) no_use_nl(ts)*/ cast('def' as char(512)) as TABLE_CATALOG, cast(b.database_name as char(64)) collate utf8mb4_name_case as TABLE_SCHEMA, cast(a.table_name as char(64)) collate utf8mb4_name_case as TABLE_NAME, cast(case when (a.database_id = 201002 or a.table_type = 1) then 'SYSTEM VIEW' when a.table_type in (0, 2) then 'SYSTEM TABLE' when a.table_type = 4 then 'VIEW' else 'BASE TABLE' end as char(64)) as TABLE_TYPE, cast(case when a.table_type in (0,3,5,6,7,11,12,13,15) then 'InnoDB' else 'MEMORY' end as char(64)) as ENGINE, cast(NULL as unsigned) as VERSION, cast(a.store_format as char(10)) as ROW_FORMAT, cast( coalesce(ts.row_cnt,0) as unsigned) as TABLE_ROWS, cast( coalesce(ts.avg_row_len,0) as unsigned) as AVG_ROW_LENGTH, cast( coalesce(ts.data_size,0) as unsigned) as DATA_LENGTH, cast(NULL as unsigned) as MAX_DATA_LENGTH, cast(NULL as unsigned) as INDEX_LENGTH, cast(NULL as unsigned) as DATA_FREE, cast(NULL as unsigned) as AUTO_INCREMENT, cast(a.gmt_create as datetime) as CREATE_TIME, cast(a.gmt_modified as datetime) as UPDATE_TIME, cast(NULL as datetime) as CHECK_TIME, cast(d.collation as char(32)) as TABLE_COLLATION, cast(NULL as unsigned) as CHECKSUM, cast(NULL as char(255)) as CREATE_OPTIONS, cast(case when a.table_type = 4 then 'VIEW' else a.comment end as char(2048)) as TABLE_COMMENT from ( select cast(0 as signed) as tenant_id, c.database_id, c.table_id, c.table_name, c.collation_type, c.table_type, usec_to_time(d.schema_version) as gmt_create, usec_to_time(c.schema_version) as gmt_modified, c.comment, c.store_format from oceanbase.__all_virtual_core_all_table c join oceanbase.__all_virtual_core_all_table d on c.tenant_id = d.tenant_id and d.table_name = '__all_core_table' where c.tenant_id = effective_tenant_id() union all select tenant_id, database_id, table_id, table_name, collation_type, table_type, gmt_create, gmt_modified, comment, store_format from oceanbase.__all_table where table_mode >> 12 & 15 in (0,1)) a join oceanbase.__all_database b on a.database_id = b.database_id and a.tenant_id = b.tenant_id join oceanbase.__tenant_virtual_collation d on a.collation_type = d.collation_type left join ( select tenant_id, table_id, row_cnt, avg_row_len, (macro_blk_cnt * 2 * 1024 * 1024) as data_size from oceanbase.__all_table_stat where partition_id = -1 or partition_id = table_id) ts on a.table_id = ts.table_id and a.tenant_id = ts.tenant_id where a.tenant_id = 0 and a.table_type in (0, 1, 2, 3, 4, 14, 15) 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) utf8mb4 utf8mb4_general_ci
TABLES CREATE VIEW `TABLES` AS select /*+ leading(a) no_use_nl(ts)*/ cast('def' as char(512)) as TABLE_CATALOG, cast(b.database_name as char(64)) collate utf8mb4_name_case as TABLE_SCHEMA, cast(a.table_name as char(64)) collate utf8mb4_name_case as TABLE_NAME, cast(case when (a.database_id = 201002 or a.table_type = 1) then 'SYSTEM VIEW' when a.table_type in (0, 2) then 'SYSTEM TABLE' when a.table_type = 4 then 'VIEW' when a.table_type = 14 then 'EXTERNAL TABLE' else 'BASE TABLE' end as char(64)) as TABLE_TYPE, cast(case when a.table_type in (0,3,5,6,7,11,12,13,15) then 'InnoDB' else 'MEMORY' end as char(64)) as ENGINE, cast(NULL as unsigned) as VERSION, cast(a.store_format as char(10)) as ROW_FORMAT, cast( coalesce(ts.row_cnt,0) as unsigned) as TABLE_ROWS, cast( coalesce(ts.avg_row_len,0) as unsigned) as AVG_ROW_LENGTH, cast( coalesce(ts.data_size,0) as unsigned) as DATA_LENGTH, cast(NULL as unsigned) as MAX_DATA_LENGTH, cast(NULL as unsigned) as INDEX_LENGTH, cast(NULL as unsigned) as DATA_FREE, cast(NULL as unsigned) as AUTO_INCREMENT, cast(a.gmt_create as datetime) as CREATE_TIME, cast(a.gmt_modified as datetime) as UPDATE_TIME, cast(NULL as datetime) as CHECK_TIME, cast(d.collation as char(32)) as TABLE_COLLATION, cast(NULL as unsigned) as CHECKSUM, cast(NULL as char(255)) as CREATE_OPTIONS, cast(case when a.table_type = 4 then 'VIEW' else a.comment end as char(2048)) as TABLE_COMMENT from ( select cast(0 as signed) as tenant_id, c.database_id, c.table_id, c.table_name, c.collation_type, c.table_type, usec_to_time(d.schema_version) as gmt_create, usec_to_time(c.schema_version) as gmt_modified, c.comment, c.store_format from oceanbase.__all_virtual_core_all_table c join oceanbase.__all_virtual_core_all_table d on c.tenant_id = d.tenant_id and d.table_name = '__all_core_table' where c.tenant_id = effective_tenant_id() union all select tenant_id, database_id, table_id, table_name, collation_type, table_type, gmt_create, gmt_modified, comment, store_format from oceanbase.__all_table where table_mode >> 12 & 15 in (0,1)) a join oceanbase.__all_database b on a.database_id = b.database_id and a.tenant_id = b.tenant_id join oceanbase.__tenant_virtual_collation d on a.collation_type = d.collation_type left join ( select tenant_id, table_id, row_cnt, avg_row_len, (macro_blk_cnt * 2 * 1024 * 1024) as data_size from oceanbase.__all_table_stat where partition_id = -1 or partition_id = table_id) ts on a.table_id = ts.table_id and a.tenant_id = ts.tenant_id where a.tenant_id = 0 and a.table_type in (0, 1, 2, 3, 4, 14, 15) 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) utf8mb4 utf8mb4_general_ci
USER_PRIVILEGES CREATE VIEW `USER_PRIVILEGES` AS SELECT CAST(CONCAT('''', V.USER_NAME, '''', '@', '''', V.HOST, '''') AS CHAR(81)) AS GRANTEE , CAST('def' AS CHAR(512)) AS TABLE_CATALOG , CAST(V.PRIVILEGE_TYPE AS CHAR(64)) AS PRIVILEGE_TYPE , CAST(V.IS_GRANTABLE AS CHAR(3)) AS IS_GRANTABLE FROM (SELECT U.USER_NAME AS USER_NAME, U.HOST AS HOST, CASE WHEN V1.C1 = 1 AND U.PRIV_ALTER = 1 THEN 'ALTER' WHEN V1.C1 = 2 AND U.PRIV_CREATE = 1 THEN 'CREATE' WHEN V1.C1 = 3 AND U.PRIV_CREATE_USER = 1 THEN 'CREATE USER' WHEN V1.C1 = 4 AND U.PRIV_DELETE = 1 THEN 'DELETE' WHEN V1.C1 = 5 AND U.PRIV_DROP = 1 THEN 'DROP' WHEN V1.C1 = 7 AND U.PRIV_INSERT = 1 THEN 'INSERT' WHEN V1.C1 = 8 AND U.PRIV_UPDATE = 1 THEN 'UPDATE' WHEN V1.C1 = 9 AND U.PRIV_SELECT = 1 THEN 'SELECT' WHEN V1.C1 = 10 AND U.PRIV_INDEX = 1 THEN 'INDEX' WHEN V1.C1 = 11 AND U.PRIV_CREATE_VIEW = 1 THEN 'CREATE VIEW' WHEN V1.C1 = 12 AND U.PRIV_SHOW_VIEW = 1 THEN 'SHOW VIEW' WHEN V1.C1 = 13 AND U.PRIV_SHOW_DB = 1 THEN 'SHOW DATABASES' WHEN V1.C1 = 14 AND U.PRIV_SUPER = 1 THEN 'SUPER' WHEN V1.C1 = 15 AND U.PRIV_PROCESS = 1 THEN 'PROCESS' WHEN V1.C1 = 17 AND U.PRIV_CREATE_SYNONYM = 1 THEN 'CREATE SYNONYM' WHEN V1.C1 = 27 AND U.PRIV_FILE = 1 THEN 'FILE' WHEN V1.C1 = 28 AND U.PRIV_ALTER_TENANT = 1 THEN 'ALTER TENANT' WHEN V1.C1 = 29 AND U.PRIV_ALTER_SYSTEM = 1 THEN 'ALTER SYSTEM' WHEN V1.C1 = 30 AND U.PRIV_CREATE_RESOURCE_POOL = 1 THEN 'CREATE RESOURCE POOL' WHEN V1.C1 = 31 AND U.PRIV_CREATE_RESOURCE_UNIT = 1 THEN 'CREATE RESOURCE UNIT' WHEN V1.C1 = 33 AND U.PRIV_REPL_SLAVE = 1 THEN 'REPLICATION SLAVE' WHEN V1.C1 = 34 AND U.PRIV_REPL_CLIENT = 1 THEN 'REPLICATION CLIENT' WHEN V1.C1 = 35 AND U.PRIV_DROP_DATABASE_LINK = 1 THEN 'DROP DATABASE LINK' WHEN V1.C1 = 36 AND U.PRIV_CREATE_DATABASE_LINK = 1 THEN 'CREATE DATABASE LINK' WHEN V1.C1 = 37 AND (U.PRIV_OTHERS & (1 << 0)) != 0 THEN 'EXECUTE' WHEN V1.C1 = 38 AND (U.PRIV_OTHERS & (1 << 1)) != 0 THEN 'ALTER ROUTINE' WHEN V1.C1 = 39 AND (U.PRIV_OTHERS & (1 << 2)) != 0 THEN 'CREATE ROUTINE' WHEN V1.C1 = 0 AND U.PRIV_ALTER = 0 AND U.PRIV_CREATE = 0 AND U.PRIV_CREATE_USER = 0 AND U.PRIV_DELETE = 0 AND U.PRIV_DROP = 0 AND U.PRIV_INSERT = 0 AND U.PRIV_UPDATE = 0 AND U.PRIV_SELECT = 0 AND U.PRIV_INDEX = 0 AND U.PRIV_CREATE_VIEW = 0 AND U.PRIV_SHOW_VIEW = 0 AND U.PRIV_SHOW_DB = 0 AND U.PRIV_SUPER = 0 AND U.PRIV_PROCESS = 0 AND U.PRIV_CREATE_SYNONYM = 0 AND U.PRIV_FILE = 0 AND U.PRIV_ALTER_TENANT = 0 AND U.PRIV_ALTER_SYSTEM = 0 AND U.PRIV_CREATE_RESOURCE_POOL = 0 AND U.PRIV_CREATE_RESOURCE_UNIT = 0 AND U.PRIV_REPL_SLAVE = 0 AND U.PRIV_REPL_CLIENT = 0 AND U.PRIV_DROP_DATABASE_LINK = 0 AND U.PRIV_CREATE_DATABASE_LINK = 0 AND U.PRIV_OTHERS = 0 THEN 'USAGE' END PRIVILEGE_TYPE , CASE WHEN U.PRIV_GRANT_OPTION = 0 THEN 'NO' WHEN U.PRIV_ALTER = 0 AND U.PRIV_CREATE = 0 AND U.PRIV_CREATE_USER = 0 AND U.PRIV_DELETE = 0 AND U.PRIV_DROP = 0 AND U.PRIV_INSERT = 0 AND U.PRIV_UPDATE = 0 AND U.PRIV_SELECT = 0 AND U.PRIV_INDEX = 0 AND U.PRIV_CREATE_VIEW = 0 AND U.PRIV_SHOW_VIEW = 0 AND U.PRIV_SHOW_DB = 0 AND U.PRIV_SUPER = 0 AND U.PRIV_PROCESS = 0 AND U.PRIV_CREATE_SYNONYM = 0 AND U.PRIV_FILE = 0 AND U.PRIV_ALTER_TENANT = 0 AND U.PRIV_ALTER_SYSTEM = 0 AND U.PRIV_CREATE_RESOURCE_POOL = 0 AND U.PRIV_CREATE_RESOURCE_UNIT = 0 AND U.PRIV_REPL_SLAVE = 0 AND U.PRIV_REPL_CLIENT = 0 AND U.PRIV_DROP_DATABASE_LINK = 0 AND U.PRIV_CREATE_DATABASE_LINK = 0 AND U.PRIV_OTHERS = 0 THEN 'NO' WHEN U.PRIV_GRANT_OPTION = 1 THEN 'YES' END IS_GRANTABLE FROM oceanbase.__all_user U, (SELECT 0 AS C1 UNION ALL SELECT 1 AS C1 UNION ALL SELECT 2 AS C1 UNION ALL SELECT 3 AS C1 UNION ALL SELECT 4 AS C1 UNION ALL SELECT 5 AS C1 UNION ALL SELECT 7 AS C1 UNION ALL SELECT 8 AS C1 UNION ALL SELECT 9 AS C1 UNION ALL SELECT 10 AS C1 UNION ALL SELECT 11 AS C1 UNION ALL SELECT 12 AS C1 UNION ALL SELECT 13 AS C1 UNION ALL SELECT 14 AS C1 UNION ALL SELECT 15 AS C1 UNION ALL SELECT 17 AS C1 UNION ALL SELECT 27 AS C1 UNION ALL SELECT 28 AS C1 UNION ALL SELECT 29 AS C1 UNION ALL SELECT 30 AS C1 UNION ALL SELECT 31 AS C1 UNION ALL SELECT 33 AS C1 UNION ALL SELECT 34 AS C1 UNION ALL SELECT 35 AS C1 UNION ALL SELECT 36 AS C1 UNION ALL SELECT 37 AS C1 UNION ALL SELECT 38 AS C1 UNION ALL SELECT 39 AS C1) V1, (SELECT USER_ID FROM oceanbase.__all_user WHERE TENANT_ID = 0 AND CONCAT(USER_NAME, '@', HOST) = CURRENT_USER()) CURR LEFT JOIN (SELECT USER_ID FROM oceanbase.__all_database_privilege WHERE TENANT_ID = 0 AND DATABASE_NAME = 'mysql' AND PRIV_SELECT = 1) DB ON CURR.USER_ID = DB.USER_ID WHERE U.TENANT_ID = 0 AND (DB.USER_ID IS NOT NULL OR 512 & CURRENT_USER_PRIV() = 512 OR U.USER_ID = CURR.USER_ID)) V WHERE V.PRIVILEGE_TYPE IS NOT NULL utf8mb4 utf8mb4_general_ci
