-
Velox framework for vectorized processing - https://github.com/facebookincubator/velox
-
### Backend
VL (Velox)
### Bug description
sql:
```
create table t1 as select cast(0.000642224797047674666 as double) as c1;
select cast(c1 as string) from t1;
```
vanilla spark result:
```…
-
**Describe the bug**
During converting data between arrow and cudf,
`from_arrow` converts dictionary indices to unsigned types. libcudf dictionary indices become unsigned int even if arrow has signed…
-
### Backend
VL (Velox)
### Bug description
I compile gluten with velox and then run it with spark. There are three machines in the test cluster. I find it always coredump on machine 2 and 3 w…
-
### Bug description
Velox shows different behavior compared to Presto java
```
SELECT sum(c0) FILTER(WHERE c0), count(*) FILTER(WHERE c0), c1 from (values (CAST(10 AS BIGINT), 'a')) t(c0, c1) GR…
-
### Backend
VL (Velox)
### Bug description
```
spark.sql("set spark.gluten.enabled=false")
spark.range(100).selectExpr("id%2 as c1", "id%5 as c2", "id as c3").write.mode("overwrite").parque…
-
### Backend
VL (Velox)
### Bug description
Type mismatch error in VectorHasher.
### Spark version
Spark-3.5.x
### Spark configurations
_No response_
### System information
_No response_
### …
-
### Description
As Velox is migrating to C++20
https://github.com/facebookincubator/velox/discussions/10692
The minimal requirement is g++-11. We should upgrade the toolchain:
https://vault.centos…
-
The Presto function array_position throws and exception when there are any nulls present in the array. Velox handles nulls and produces a valid output.
This is related to [#10580](https://github.…
-
Presto UI Stage Performance tab does not show operators which refer to plan nodes which were created on worker side during plan rewriting and are not present in original plan.
Example of code that …