java/testing/org/apache/derbyTesting/functionTests/master/constantExpression.out

ij> --
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--
-- tests for constant expression evaluation
autocommit off;
ij> -- create and populate a table
create table t1(c1 int);
0 rows inserted/updated/deleted
ij> insert into t1 values 1, 2, 3;
3 rows inserted/updated/deleted
ij> -- false constant expressions
select * from t1 where 1 <> 1;
C1         
-----------
ij> select * from t1 where 1 = 1 and 1 = 0;
C1         
-----------
ij> select * from t1 where 1 = (2 + 3 - 2);
C1         
-----------
ij> select * from t1 where (case when 1 = 1 then 0 else 1 end) = 1;
C1         
-----------
ij> select * from t1 where 1 in (2, 3, 4);
C1         
-----------
ij> select * from t1 where 1 between 2 and 3;
C1         
-----------
ij> prepare p1 as 'select * from t1 where ? = 1';
ij> prepare p2 as 'select * from t1 where cast(? as int) = 1';
ij> execute p1 using 'values 0';
C1         
-----------
ij> execute p2 using 'values 0';
C1         
-----------
ij> -- true constant expressions
select * from t1 where 1 = 1;
C1         
-----------
1          
2          
3          
ij> select * from t1 where 1 = 0 or 1 = 1;
C1         
-----------
1          
2          
3          
ij> select * from t1 where 1 + 2 = (2 + 3 - 2);
C1         
-----------
1          
2          
3          
ij> select * from t1 where (case when 1 = 1 then 1 else 0 end) = 1;
C1         
-----------
1          
2          
3          
ij> select * from t1 where 1 in (2, 3, 4, 4, 3, 2, 1);
C1         
-----------
1          
2          
3          
ij> select * from t1 where 1 + 1 between 0 and 3;
C1         
-----------
1          
2          
3          
ij> execute p1 using 'values 1';
C1         
-----------
1          
2          
3          
ij> execute p2 using 'values 1';
C1         
-----------
1          
2          
3          
ij> -- clean up
drop table t1;
0 rows inserted/updated/deleted
ij>