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This is a follow on to https://github.com/apache/arrow-datafusion/issues/3058 as we have made significant progress since @kmitchener originally posted that
“Write cool software and _tell people a…
alamb updated
1 month ago
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### Is your feature request related to a problem or challenge?
Part of getting people to use DataFusion is to hear what other people are doing with it, why, and what success they found
This helps …
alamb updated
1 month ago
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### What is the problem the feature request solves?
For folks considering adopting Arrow Datafusion Comet who have Dataset code in Scala & Python it would probably be useful to be able to run similar…
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### What is the problem the feature request solves?
I am benchmarking with this query (based on TPC-DS q39):
```sql
select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
,stddev_samp(inv_qua…
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This has a list of performance improvements:
- [x] https://github.com/apache/arrow-datafusion/issues/5230
- [x] https://github.com/apache/arrow-datafusion/issues/4973
- [ ] https://github.com/apa…
alamb updated
1 month ago
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SQL:
```sql
CREATE TABLE x(C DECIMAL(20, 2));
CREATE MATERIALIZED VIEW v AS SELECT * FROM x;
```
Insert data with fda:
```sh
fda query decimal 'insert into x values(11.11);'
```
Here…
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### What is the problem the feature request solves?
Currently SMJ with join condition is not supported by Comet and falls back to Spark. The feature was added into DataFusion but we've not incorporat…
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### Is your feature request related to a problem or challenge?
This is the simplest way to create a string column
```
statement ok
create table t(a varchar) as values ('1'), ('2');
query T
…
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### Is your feature request related to a problem or challenge?
DataFusion uses a two phase approach to aggregation (see [`Accumulator::state`](https://docs.rs/datafusion/latest/datafusion/physical_…
alamb updated
3 weeks ago
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## Goal-State/What/Result
Spice has SQL "fuzz" testing and automation using [SQLancer](https://github.com/sqlancer/sqlancer) (or [datafusion-sqlancer](https://github.com/datafusion-contrib/datafusi…