precedence.out

来自「derby database source code.good for you.」· OUT 代码 · 共 24 行

ij> -- this tests precedence of operators.
-- test precedence of operators other than and, or, and not
-- that return boolean.
-- expect 'true' row:
create table t1(c11 int);
0 rows inserted/updated/deleted
ij> insert into t1 values(1);
1 row inserted/updated/deleted
ij> select c11 from t1 where 1 in (1,2,3) = (1=1);
C11        
-----------
1          
ij> --
select c11 from t1 where 'acme widgets' like 'acme%' in (1=1);
ERROR 42X01: Syntax error: Encountered "=" at line 2, column 59.
ij> select c11 from t1 where 1 between -100 and 100 is not null;
C11        
-----------
1          
ij> --
select c11 from t1 where exists(select * from (values 1) as t) not in (1=2);
ERROR 42X01: Syntax error: Encountered "=" at line 2, column 73.
ij>