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Apache DataFusion SQL Query Engine

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### Describe the bug One query can run successfully on a table with a regular string column If we convert this string column's physical representation to `StringView`, the query failed...

bug

### Is your feature request related to a problem or challenge? Part of https://github.com/apache/datafusion/issues/11752 We are trying to change DataFusion to use StringViewArray by default when reading parquet (and, for...

enhancement

I think it would be good to eventually move this to a method in `https://github.com/apache/datafusion/pull/11611` though I agree this is good for now. Maybe we can file a ticket to...

## Which issue does this PR close? Related to #11555 Closes #. ## Rationale for this change Experiment with approach how to identify a last buffered batch for the given...

physical-expr
core

## Which issue does this PR close? Closes #. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

sql
physical-expr
core
sqllogictest
common
proto
functions

### Is your feature request related to a problem or challenge? I am trying to take a filter expression created by pyarrow and convert it into a filter expression for...

enhancement

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Currently a named expression / alias can be encoded by wrapping an...

enhancement
api change

### Describe the bug When executing an `INSERT INTO table VALUES (value1), (value2);` statement, the auto type detection on the plan created for the values tuples breaks valid inputs due...

bug

### Is your feature request related to a problem or challenge? While reviewing https://github.com/apache/datafusion/pull/11943 from @Rachelint it is becoming clear to me that the hash aggregate code is now pretty...

enhancement
help wanted

This PR removes LargeUtf8|Binary, Utf8|BinaryView, and Dictionary from ScalarValue, following the discussion on #11513 --- ## Open questions ### Top level ScalarValue cast This change initially failed the `select_arrow_cast` test...

sql
logical-expr
physical-expr
optimizer
core
sqllogictest
substrait
common
proto
functions