datafusion

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Infer data type from schema for `Values` and add struct coercion to `coalesce`

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## Which issue does this PR close? Closes #5046 . Follow up from #12839 1. Infer Values from schema if exists 2. Array and Coalesce has the similar logic, applies...

jayzhan211

Some In/Exists Subqueries will generate wrong PhysicalPlan

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**Describe the bug** Datafusion can't execute non-correlated subquery now, like in/exists. So these queries should return `NotImplemented("Physical plan does not support logical expression In/Exists` error. But currently the filter will...

ygf11

Fix logical vs physical schema mismatch for right side field schema selection.

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## Which issue does this PR close? Part of #12733 closes https://github.com/apache/datafusion/issues/13010 ## Rationale for this change We found another bug for when the logical vs physical schema does not...

wiedld

Draft as I run benchmarks ## Which issue does this PR close? Follow on to https://github.com/apache/datafusion/pull/12950 ## Rationale for this change While reviewing https://github.com/apache/datafusion/pull/12950 from @askalt I noticed a few...

alamb

Migrate documentation for `regr*` aggregate functions to code

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## Which issue does this PR close? Part of https://github.com/apache/datafusion/issues/12827 ## Rationale for this change https://github.com/apache/datafusion/pull/12861 from @jonathanc-n moves some of the aggregate function documentation to the code, but the...

alamb

Update hashbrown requirement from 0.14.5 to 0.15.0

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Updates the requirements on [hashbrown](https://github.com/rust-lang/hashbrown) to permit the latest version. Changelog Sourced from hashbrown's changelog. [v0.15.0] - 2024-10-01 This update contains breaking changes that remove the raw API with the...

dependabot[bot]

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** DataFusion supports many types of subqueries (originally tracked via https://github.com/apache/arrow-datafusion/issues/2248). This epic...

alamb

### Is your feature request related to a problem or challenge? @Omega359 and @xinlifoobar added the `regexp_count` function in https://github.com/apache/datafusion/pull/12970 However, `regexp_count` seems to be significantly slower than `regexp_match` and...

alamb

## Which issue does this PR close? It's a follow-up PR of #12896 ## Rationale for this change from https://github.com/apache/datafusion/pull/12896#issuecomment-2408609989 ## What changes are included in this PR? ## Are...

goldmedal

UNION ALL with null constants results in Schema error

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### Describe the bug UNION ALL with null constants results in Schema error ### To Reproduce Run the following query from https://github.com/apache/datafusion/blob/main/datafusion/sqllogictest/test_files/metadata.slt ```sql query T select name from ( SELECT...

alamb