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Apache DataFusion SQL Query Engine

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## Which issue does this PR close? N/A ## Rationale for this change Add links to DataFusion subproject to make them more easily discoverable ## What changes are included in...

documentation

## Which issue does this PR close? This doesn't close an issue, but adds more detailed subquery documentation. Part of #7013 ## Rationale for this change Provides more information about...

documentation

### Describe the bug Previously it could be called with multiple expressions like `coalsce(vec![e1, e2])` however now it seems to require a single expressions ### To Reproduce Try to run...

bug
regression

## Which issue does this PR close? Closes #10291. ## Rationale for this change ## What changes are included in this PR? ## Are these changes tested? ## Are there...

optimizer

### Is your feature request related to a problem or challenge? This is a common ticket for all other tickets. The ticket was created for the next purposes: - Track...

enhancement

### Is your feature request related to a problem or challenge? While working on replacing GetFieldAccess with `get_field` function, I got the [name checking error](https://github.com/apache/datafusion/blob/b21bf9e8527de82e901c3a61127d63779f230163/datafusion/physical-expr/src/equivalence/projection.rs#L70-L73) that due to the mismatch...

enhancement

## Which issue does this PR close? Closes #. ## Rationale for this change I got the [name checking error](https://github.com/apache/datafusion/blob/b21bf9e8527de82e901c3a61127d63779f230163/datafusion/physical-expr/src/equivalence/projection.rs#L70-L73) that due to the mismatch of separator in creating name....

logical-expr
core
sqllogictest

## Which issue does this PR close? Closes https://github.com/apache/datafusion/issues/10320 ## Rationale for this change There was a regression in the `coalesce` function's signature due to lack of testing ## What...

core

### Describe the bug Hello, When I try to insert data with the `INSERT INTO` SQL syntax (see reproduction code below), I get the error: `Inserting query must have the...

bug

## Which issue does this PR close? Closes #7142. Re-open 7142 if others than append/prepend need to support nulls and empty. ## Rationale for this change ## What changes are...

sql
logical-expr
physical-expr
optimizer
sqllogictest
Stale