diff --git a/tests/integrationtest/t/executor/infoschema_reader.test b/tests/integrationtest/t/executor/infoschema_reader.test
deleted file mode 100644
index 021a0ffd59324..0000000000000
--- a/tests/integrationtest/t/executor/infoschema_reader.test
+++ /dev/null
@@ -1,322 +0,0 @@
-# TestProfiling
-select * from information_schema.profiling;
-set @@profiling=1;
-select * from information_schema.profiling;
-
-# TestSchemataTables
-select * from information_schema.SCHEMATA where schema_name='mysql';
-drop user if exists schemata_tester;
-create user schemata_tester;
-
-connect (conn1, localhost, schemata_tester,, information_schema);
-select count(*) from information_schema.SCHEMATA;
-select * from information_schema.SCHEMATA where schema_name='mysql';
-select * from information_schema.SCHEMATA where schema_name='INFORMATION_SCHEMA';
-
-connection default;
-CREATE ROLE r_mysql_priv;
-GRANT ALL PRIVILEGES ON mysql.* TO r_mysql_priv;
-GRANT r_mysql_priv TO schemata_tester;
-
-connection conn1;
-set role r_mysql_priv;
-select count(*) from information_schema.SCHEMATA;
-select * from information_schema.SCHEMATA;
-
-connection default;
-disconnect conn1;
-
-# TestTableIDAndIndexID
-drop table if exists executor__infoschema_reader.t;
-create table executor__infoschema_reader.t (a int, b int, primary key(a), key k1(b));
-select index_id from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader' and table_name = 't';
-select tidb_table_id > 0 from information_schema.tables where table_schema = 'executor__infoschema_reader' and table_name = 't';
-
-# TestSchemataCharacterSet
-drop database if exists `foo`;
-CREATE DATABASE `foo` DEFAULT CHARACTER SET = 'utf8mb4';
-select default_character_set_name, default_collation_name FROM information_schema.SCHEMATA  WHERE schema_name = 'foo';
-drop database `foo`;
-
-# TestViews
-drop view if exists executor__infoschema_reader.v1;
-CREATE DEFINER='root'@'localhost' VIEW executor__infoschema_reader.v1 AS SELECT 1;
-select TABLE_COLLATION is null from INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='VIEW';
-SELECT * FROM information_schema.views WHERE table_schema='executor__infoschema_reader' AND table_name='v1';
-SELECT table_catalog, table_schema, table_name, table_type, engine, version, row_format, table_rows, avg_row_length, data_length, max_data_length, index_length, data_free, auto_increment, update_time, check_time, table_collation, checksum, create_options, table_comment FROM information_schema.tables WHERE table_schema='executor__infoschema_reader' AND table_name='v1';
-
-# TestColumnsTables
-drop table if exists t;
-create table t (bit bit(10) DEFAULT b'100');
-SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'executor__infoschema_reader' AND TABLE_NAME = 't';
-drop table if exists t;
-set time_zone='+08:00';
-drop table if exists t;
-create table t (b timestamp(3) NOT NULL DEFAULT '1970-01-01 08:00:01.000');
-select column_default from information_schema.columns where TABLE_NAME='t' and TABLE_SCHEMA='executor__infoschema_reader';
-set time_zone='+04:00';
-select column_default from information_schema.columns where TABLE_NAME='t' and TABLE_SCHEMA='executor__infoschema_reader';
-set time_zone=default;
-drop table if exists t;
-create table t (a bit DEFAULT (rand()));
-select column_default from information_schema.columns where TABLE_NAME='t' and TABLE_SCHEMA='executor__infoschema_reader';
-drop table if exists t;
-CREATE TABLE t (`COL3` bit(1) NOT NULL,b year) ;
-select column_type from  information_schema.columns where TABLE_SCHEMA = 'executor__infoschema_reader' and TABLE_NAME = 't';
-## For issue: https://github.com/pingcap/tidb/issues/43379
-select ordinal_position from information_schema.columns where table_schema=database() and table_name='t' and column_name='b';
-
-# TestEngines
-select * from information_schema.ENGINES;
-
-# TestDataTypesMaxLengthAndOctLength
-# https://github.com/pingcap/tidb/issues/25467
-drop table if exists t;
-create table t (a varchar(255) collate ascii_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a varchar(255) collate utf8mb4_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a varchar(255) collate utf8_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a char(10) collate ascii_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a char(10) collate utf8mb4_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a set('a', 'b', 'cccc') collate ascii_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a set('a', 'b', 'cccc') collate utf8mb4_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a enum('a', 'b', 'cccc') collate ascii_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-create table t (a enum('a', 'b', 'cccc') collate utf8mb4_bin);
-select character_maximum_length, character_octet_length from information_schema.columns where table_schema=(select database()) and table_name='t';
-drop table t;
-
-# TestDDLJobs
-set global tidb_ddl_enable_fast_reorg = false;
-set global tidb_enable_dist_task = false;
-drop database if exists test_ddl_jobs;
-create database test_ddl_jobs;
-select db_name, job_type from information_schema.DDL_JOBS limit 1;
-use test_ddl_jobs;
-create table t (a int);
-select db_name, table_name, job_type from information_schema.DDL_JOBS where DB_NAME = 'test_ddl_jobs' and table_name = 't';
-select job_type from information_schema.DDL_JOBS group by job_type having job_type = 'create table';
-select distinct job_type from information_schema.DDL_JOBS where job_type = 'create table' and start_time > str_to_date('20190101','%Y%m%d%H%i%s');
-drop user if exists DDL_JOBS_tester;
-create user DDL_JOBS_tester;
-
-connect(conn1, localhost, DDL_JOBS_tester,, information_schema);
-select DB_NAME, TABLE_NAME from information_schema.DDL_JOBS where DB_NAME = 'test_ddl_jobs' and TABLE_NAME = 't';
-
-connection default;
-CREATE ROLE r_priv;
-GRANT ALL PRIVILEGES ON test_ddl_jobs.* TO r_priv;
-GRANT r_priv TO DDL_JOBS_tester;
-
-connection conn1;
-set role r_priv;
-select DB_NAME, TABLE_NAME from information_schema.DDL_JOBS where DB_NAME = 'test_ddl_jobs' and TABLE_NAME = 't';
-
-connection default;
-create table tt (a int, b int);
-alter table tt add index ta(a), add column c int, add unique index tb(b), add column d int;
-select db_name, table_name, job_type from information_schema.DDL_JOBS limit 4;
-
-disconnect conn1;
-drop database test_ddl_jobs;
-use executor__infoschema_reader;
-set global tidb_ddl_enable_fast_reorg = default;
-set global tidb_enable_dist_task = default;
-
-# TestKeyColumnUsage
-select * from information_schema.KEY_COLUMN_USAGE where TABLE_NAME='stats_meta' and COLUMN_NAME='table_id';
-create user key_column_tester;
-
-connect (conn1, localhost, key_column_tester,, information_schema);
-select * from information_schema.KEY_COLUMN_USAGE where TABLE_NAME != 'CLUSTER_SLOW_QUERY';
-
-connection default;
-CREATE ROLE r_stats_meta ;
-GRANT ALL PRIVILEGES ON mysql.stats_meta TO r_stats_meta;
-GRANT r_stats_meta TO key_column_tester;
-
-connection conn1;
-set role r_stats_meta;
-select count(*)>0 from information_schema.KEY_COLUMN_USAGE where TABLE_NAME='stats_meta';
-select count(*)>0 from information_schema.KEY_COLUMN_USAGE where upper(TABLE_NAME)='STATS_META';
-select count(*)>0 from information_schema.KEY_COLUMN_USAGE where lower(TABLE_NAME)='stats_meta';
-
-connection default;
-disconnect conn1;
-
-# TestPartitionTablesStatsCache
-# https://github.com/pingcap/tidb/issues/32693
-drop table if exists e, e2;
-CREATE TABLE e ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30)) PARTITION BY RANGE (id) (
-        PARTITION p0 VALUES LESS THAN (50),
-        PARTITION p1 VALUES LESS THAN (100),
-        PARTITION p2 VALUES LESS THAN (150),
-        PARTITION p3 VALUES LESS THAN (MAXVALUE));
-CREATE TABLE e2 ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30));
-SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 'e' and table_schema=(select database());
-INSERT INTO e VALUES (1669, "Jim", "Smith"), (337, "Mary", "Jones"), (16, "Frank", "White"), (2005, "Linda", "Black");
-set tidb_enable_exchange_partition='on';
-ALTER TABLE e EXCHANGE PARTITION p0 WITH TABLE e2;
-INSERT INTO e VALUES (41, "Michael", "Green");
-analyze table e;
-SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 'e';
-set tidb_enable_exchange_partition=default;
-
-# TestMetricTables
-select count(*) > 0 from information_schema.`METRICS_TABLES`;
-select * from information_schema.`METRICS_TABLES` where table_name='tidb_qps';
-
-# TestTableConstraintsTable
-select * from information_schema.TABLE_CONSTRAINTS where TABLE_NAME='gc_delete_range';
-
-# TestTableSessionVar
-select * from information_schema.SESSION_VARIABLES where VARIABLE_NAME='tidb_retry_limit';
-
-# TestSequences
-drop sequence if exists seq, seq2;
-CREATE SEQUENCE seq maxvalue 10000000;
-SELECT * FROM information_schema.sequences WHERE sequence_schema='executor__infoschema_reader' AND sequence_name='seq';
-DROP SEQUENCE seq;
-CREATE SEQUENCE seq start = -1 minvalue -1 maxvalue 10 increment 1 cache 10;
-SELECT * FROM information_schema.sequences WHERE sequence_schema='executor__infoschema_reader' AND sequence_name='seq';
-CREATE SEQUENCE seq2 start = -9 minvalue -10 maxvalue 10 increment -1 cache 15;
-SELECT * FROM information_schema.sequences WHERE sequence_schema='executor__infoschema_reader' AND sequence_name='seq2';
-SELECT TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME , TABLE_TYPE, ENGINE, TABLE_ROWS FROM information_schema.tables WHERE TABLE_TYPE='SEQUENCE' AND TABLE_NAME='seq2' and table_schema='executor__infoschema_reader';
-
-# TestTablesPKType
-drop table if exists t_int, t_implicit, t_common;
-create table t_int (a int primary key, b int);
-SELECT TIDB_PK_TYPE FROM information_schema.tables where table_schema = 'executor__infoschema_reader' and table_name = 't_int';
-set tidb_enable_clustered_index=int_only;
-create table t_implicit (a varchar(64) primary key, b int);
-SELECT TIDB_PK_TYPE FROM information_schema.tables where table_schema = 'executor__infoschema_reader' and table_name = 't_implicit';
-set tidb_enable_clustered_index=on;
-create table t_common (a varchar(64) primary key, b int);
-SELECT TIDB_PK_TYPE FROM information_schema.tables where table_schema = 'executor__infoschema_reader' and table_name = 't_common';
-SELECT TIDB_PK_TYPE FROM information_schema.tables where table_schema = 'INFORMATION_SCHEMA' and table_name = 'TABLES';
-set tidb_enable_clustered_index=default;
-
-# TestNullColumns
-drop table if exists t;
-CREATE TABLE t ( id int DEFAULT NULL);
-CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`1.1.1.1` SQL SECURITY DEFINER VIEW `v_test` (`type`) AS SELECT NULL AS `type` FROM `t` AS `f`;
-select * from  information_schema.columns where TABLE_SCHEMA = 'executor__infoschema_reader' and TABLE_NAME = 'v_test';
-
-# TestUserPrivilegesTable
-drop user if exists usageuser;
-create user usageuser;
-
-connect (conn1, localhost, usageuser,, information_schema);
-SELECT * FROM information_schema.user_privileges WHERE grantee="'usageuser'@'%'";
-
-connection default;
-GRANT SELECT ON *.* to usageuser;
-
-connection conn1;
-SELECT * FROM information_schema.user_privileges WHERE grantee="'usageuser'@'%'";
-
-connection default;
-GRANT SELECT ON *.* to usageuser WITH GRANT OPTION;
-
-connection conn1;
-SELECT * FROM information_schema.user_privileges WHERE grantee="'usageuser'@'%'";
-
-connection default;
-GRANT BACKUP_ADMIN ON *.* to usageuser;
-
-connection conn1;
-SELECT * FROM information_schema.user_privileges WHERE grantee="'usageuser'@'%'" ORDER BY privilege_type;
-
-connection default;
-disconnect conn1;
-
-# test information_schema.VARIABLES_INFO DEFAULT_VALUE
-select VARIABLE_NAME from information_schema.VARIABLES_INFO where DEFAULT_VALUE = CURRENT_VALUE and variable_name in ('tidb_enable_async_commit','tidb_enable_1pc', 'tidb_mem_oom_action', 'tidb_enable_auto_analyze', 'tidb_row_format_version', 'tidb_txn_assertion_level', 'tidb_enable_mutation_checker', 'tidb_pessimistic_txn_fair_locking') order by VARIABLE_NAME;
-set global tidb_enable_async_commit = default;
-set global tidb_enable_1pc = default;
-set global tidb_mem_oom_action = default;
-set global tidb_enable_auto_analyze = default;
-set global tidb_row_format_version = default;
-set global tidb_txn_assertion_level = default;
-set global tidb_enable_mutation_checker = default;
-set global tidb_pessimistic_txn_fair_locking = default;
-select a.VARIABLE_NAME from information_schema.VARIABLES_INFO as a, mysql.GLOBAL_VARIABLES as b where a.VARIABLE_NAME = b.VARIABLE_NAME and a.DEFAULT_VALUE = b.VARIABLE_VALUE and a.CURRENT_VALUE = b.VARIABLE_VALUE and a.variable_name in ('tidb_enable_async_commit','tidb_enable_1pc', 'tidb_mem_oom_action', 'tidb_enable_auto_analyze', 'tidb_row_format_version', 'tidb_txn_assertion_level', 'tidb_enable_mutation_checker', 'tidb_pessimistic_txn_fair_locking') order by VARIABLE_NAME;
-
-
-# test issue51942
-drop table if exists t;
-CREATE TABLE t (a int, b int, c varchar(5), primary key(a), index idx(c)) PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16));
-insert into t(a, b, c) values(1, 2, 'c'), (7, 3, 'd'), (12, 4, 'e');
-analyze table t;
-select sleep(1);
-select table_rows, avg_row_length, data_length, index_length from information_schema.tables where table_name='t' AND TABLE_SCHEMA='executor__infoschema_reader';
-
-
-# Cover reading from tables: Indexes, Views, KeyColumnUsage, TableConstraints
-drop table if exists test.t;
-select * from information_schema.tidb_indexes where table_name = 't';
---sorted_result
-select * from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader';
---sorted_result
-select * from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader' and table_name = 't';
---sorted_result
-select * from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader' or table_name = 't';
-select * from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader' and column_name = 'c';
-select * from information_schema.tidb_indexes where table_schema = 'executor__infoschema_reader' and table_name = 'non_exist';
-
-select * from information_schema.views where table_name = 'v1';
-select * from information_schema.views where table_name = 'non_exist';
---sorted_result
-select * from information_schema.views where table_schema = 'executor__infoschema_reader';
-select * from information_schema.views where table_schema = 'non_exist';
-select * from information_schema.views where table_schema = 'executor__infoschema_reader' and table_name = 'v1';
---sorted_result
-select * from information_schema.views where table_schema = 'executor__infoschema_reader' or table_name = 'v1';
-
-select * from information_schema.key_column_usage where table_name = 't';
---sorted_result
-select * from information_schema.key_column_usage where table_schema = 'executor__infoschema_reader';
-select * from information_schema.key_column_usage where table_schema = 'executor__infoschema_reader' and table_name = 't';
---sorted_result
-select * from information_schema.key_column_usage where table_schema = 'executor__infoschema_reader' or table_name = 't';
-select * from information_schema.key_column_usage where table_schema = 'executor__infoschema_reader' and column_name = 'c';
-select * from information_schema.key_column_usage where table_schema = 'executor__infoschema_reader' and column_name = 'non_exist';
-
-CREATE TABLE tc(a INT CHECK(a > 10) NOT ENFORCED, b INT, c INT, CONSTRAINT c1 CHECK (b > c));
---sorted_result
-select * from information_schema.table_constraints where table_name = 'tc';
---sorted_result
-select * from information_schema.table_constraints where table_schema = 'executor__infoschema_reader';
-select * from information_schema.table_constraints where table_schema = 'executor__infoschema_reader' and table_name = 'tc';
---sorted_result
-select * from information_schema.table_constraints where table_schema = 'executor__infoschema_reader' or table_name = 'tc';
-select * from information_schema.table_constraints where table_schema = 'executor__infoschema_reader' and table_name = 'non_exist';
---sorted_result
-select * from information_schema.table_constraints where table_schema = 'executor__infoschema_reader' and CONSTRAINT_NAME = 'c1';
-
-# TestTables
-select TABLE_CATALOG,TABLE_SCHEMA,TABLE_NAME,TABLE_TYPE,ENGINE,VERSION from information_schema.tables where table_name = 't';
-select table_name, table_schema from information_schema.tables where table_name = 't';
-select table_name from information_schema.tables where table_name = 't';
-explain format='brief' select table_name, table_schema from information_schema.tables;
-select count(*) from information_schema.tables where table_name = 't';
-select count(table_name) from information_schema.tables where table_name = 't';
-
-drop table if exists t;
-create table t (c text);
-alter table t add index idx_t (c(16));
-select SUB_PART from information_schema.statistics where TABLE_SCHEMA = 'executor__infoschema_reader' and TABLE_NAME = 't';