42 lines
921 B
Plaintext
42 lines
921 B
Plaintext
use test;
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drop table if exists t;
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create table t (a int);
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explain select * from t where a < 1;
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insert into mysql.opt_rule_blacklist values('predicate_push_down');
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admin reload opt_rule_blacklist;
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explain select * from t where a < 1;
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delete from mysql.opt_rule_blacklist where name='predicate_push_down';
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admin reload opt_rule_blacklist;
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explain select * from t where a < 1;
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insert into mysql.expr_pushdown_blacklist values('<');
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admin reload expr_pushdown_blacklist;
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explain select * from t where a < 1;
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delete from mysql.expr_pushdown_blacklist where name='<';
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admin reload expr_pushdown_blacklist;
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explain select * from t where a < 1;
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insert into mysql.expr_pushdown_blacklist values('lt');
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admin reload expr_pushdown_blacklist;
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explain select * from t where a < 1;
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delete from mysql.expr_pushdown_blacklist where name='lt';
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admin reload expr_pushdown_blacklist;
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explain select * from t where a < 1;
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