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### Backend
VL (Velox)
### Bug description
empty table: v1: map, v2: map, v3: map
SQL:
```
SELECT
x1.v1
FROM (
select *
from empty_table
) x1
group by 1…
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**Describe the problem**
internal error: top-level relational expression cannot have outer columns in `makeQueryIndexRecommendation()`->`Optimize()`
**To Reproduce**
SQL to init database
…
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## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
```sql
create table t(d1 double, f float);
insert into t values(0,…
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Some users complains that they do not want some rows' expression error prevent the whole query's processing and result.
### `TRY()` function
presto and trino do this
https://trino.io/docs/current/f…
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Hello,
I'm using your library in a C# REST Api, using a SQL database (SQL SERVER).
I can't find in your documentation how to translate an RQL Expression from your library into a WHERE clause in SQL …
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Given the LinkUserGroup table, we sometimes have to aggregate its full content based on one of its two columns (either `group_id` or `user_id`).
We currently do it "by hand", as in
https://github.…
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**What problem does this feature proposal attempt to solve?**
This feature would allow requests to be sorted by null column values.
In example : to order a list of DateTime in SQL, providing
`…
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`SELECT languages = 10 AND languages = 11 FROM test_emp where emp_no IN(10018, 10019, 10020, 10021);`
returns:
```
false
---------------
false
```
as the AND expressio…
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**Input data**
Which SQL and options did you provide as input?
defaults
```sql
DECLARE
v_id1 varchar2(5) := '01';
v_id2 varchar2(5) := '02';
BEGIN
CASE v_id1
…
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When using `mito:insert-dao`, I got a nasty error in a big inserting operation:
```
The value ... is not of type
(OR
(AND #1=(SATISFIES SXQL.SQL-TYPE:SQL-EXPRESSION-LIST-P)
#2=(SAT…