black_list.test

set tidb_cost_model_version=1;
drop table if exists t;
create table t (a int);

explain format = 'brief' select * from t where a < 1;

insert into mysql.opt_rule_blacklist values('predicate_push_down');

admin reload opt_rule_blacklist;

explain format = 'brief' select * from t where a < 1;

delete from mysql.opt_rule_blacklist where name='predicate_push_down';

admin reload opt_rule_blacklist;

explain format = 'brief' select * from t where a < 1;

insert into mysql.expr_pushdown_blacklist values('<', 'tikv,tiflash,tidb', 'for test');

admin reload expr_pushdown_blacklist;

explain format = 'brief' select * from t where a < 1;

delete from mysql.expr_pushdown_blacklist where name='<' and store_type = 'tikv,tiflash,tidb' and reason = 'for test';

admin reload expr_pushdown_blacklist;

explain format = 'brief' select * from t where a < 1;

insert into mysql.expr_pushdown_blacklist values('lt', 'tikv,tiflash,tidb', 'for test');

admin reload expr_pushdown_blacklist;

explain format = 'brief' select * from t where a < 1;

delete from mysql.expr_pushdown_blacklist where name='lt' and store_type = 'tikv,tiflash,tidb' and reason = 'for test';

admin reload expr_pushdown_blacklist;

explain format = 'brief' select * from t where a < 1;