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### Describe the enhancement requested
We'd like to use parquet predicate pushdown on `is_in` expressions, but this currently isn't supported in `SimplifyWithGuarantee`. We implemented a proof of con…
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EF Core 7 for SQL Server has a SQL query translation regression from EF Core 6 for GroupBy with aggregate functions.
For the query:
```
var query = context.Items
.GroupBy(x => x.Group)
…
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### Summary
We should make space for high level query optimization. There are a couple of ways to do this. This issue includes motivation, a description of two approaches, and some thoughts on tr…
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Currently several we rely on several Spark internal classes when attempting to list the contents of file based tables for various of our migrate/add_file functions.
See
https://github.com/apache…
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### Describe the enhancement requested
Hadoop-snappy File Format is widely used for BigData and ML frameworks; We use spark or hadoop mr to preprocess data for furture processing such like Data war…
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```[tasklist]
### Tasks
- [x] Fix filter pushdown to subqueries
- [x] Fix groupby resolution bug
- [x] Fix timestamp aliasing in the ON clause
- [x] Resolve tag keys in JoinCondition
```
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They currently are not supported. They would need their own set of operators, like contains() and size() etc.
**Reporter**: [Alex Levenson](https://issues.apache.org/jira/secure/ViewProfile.jspa?name…
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### Is your feature request related to a problem or challenge?
It seems there is no pushdown for sort order yet in the TableProvider. It seems this could also lead to wrong results if filters and lim…
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The CLI reports the following error:
```
Status: INTERNAL_ERROR
Issues:
: Error: Internal error while compiling query.
: Error: ydb/core/kqp/query_data/kqp_prepared_query.cpp:219: GetInfo()…
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I was thinking the other day that it would be really cool to have [stacks](https://en.wikipedia.org/wiki/Stack_(abstract_data_type)) somehow. Like a physical thing that you could push and pop entitie…