[
https://issues.apache.org/jira/browse/CALCITE-5930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
libopeng updated CALCITE-5930:
------------------------------
Description:
Wrong calculation result
{code:java}
select *
from dept
where deptno in (
select count(*)
from emp
where comm is null);
+--------+------------+----------+
| DEPTNO | DNAME | LOC |
+--------+------------+----------+
+--------+------------+----------+ {code}
Correct calculation results
{code:java}
select *
from dept
where cast(deptno as bigint) in (
select count(*)
from emp
where comm is null);
+--------+------------+----------+
| DEPTNO | DNAME | LOC |
+--------+------------+----------+
| 10 | ACCOUNTING | NEW YORK |
+--------+------------+----------+{code}
The above two cases can be reproduced in agg.iq.
was:
{code:java}
select *
from dept
where deptno in (
select count(*)
from emp
where comm is null);
+--------+------------+----------+
| DEPTNO | DNAME | LOC |
+--------+------------+----------+
+--------+------------+----------+ {code}
{code:java}
select *
from dept
where cast(deptno as bigint) in (
select count(*)
from emp
where comm is null);
+--------+------------+----------+
| DEPTNO | DNAME | LOC |
+--------+------------+----------+
| 10 | ACCOUNTING | NEW YORK |
+--------+------------+----------+{code}
> When data types do not match, calcite may make a calculation error
> ------------------------------------------------------------------
>
> Key: CALCITE-5930
> URL: https://issues.apache.org/jira/browse/CALCITE-5930
> Project: Calcite
> Issue Type: Bug
> Reporter: libopeng
> Priority: Major
>
> Wrong calculation result
> {code:java}
> select *
> from dept
> where deptno in (
> select count(*)
> from emp
> where comm is null);
> +--------+------------+----------+
> | DEPTNO | DNAME | LOC |
> +--------+------------+----------+
> +--------+------------+----------+ {code}
> Correct calculation results
> {code:java}
> select *
> from dept
> where cast(deptno as bigint) in (
> select count(*)
> from emp
> where comm is null);
> +--------+------------+----------+
> | DEPTNO | DNAME | LOC |
> +--------+------------+----------+
> | 10 | ACCOUNTING | NEW YORK |
> +--------+------------+----------+{code}
> The above two cases can be reproduced in agg.iq.
>
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