2023-02-01 stonedb-XOR谓词处理-代码现状分析

摘要:

mysql列存储引擎-XOR谓词处理-代码现状分析

关联ISSUE: https://github.com/stoneatom/stonedb/issues/769

参考:

MySQL :: MySQL 5.7 Reference Manual :: 12.4.3 Logical Operators

DDL:

表结构及数据:

create table tt (val double);
insert into tt values (1.2345);

查询SQL:

select 1 from (select * from tt) as A join tt where A.val > 1 XOR tt