apache / apache/datafusion

Support using named tuples in IN clause

Open
#4,656 0 comments 0 reactions 0 assignees View on GitHub
enhancement
Dominant language
Rust
Stars
9.3k
Forks
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Avg merge
3d 7h
Merged PRs (30d)
344

Description

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
(This section helps Arrow developers understand the context and *why* for this feature, in addition to the *what*)

````
SELECT id, name FROM t2 WHERE (id, name) IN (SELECT id, name FROM t1 WHERE name ='aa')

````

**Describe the solution you'd like**
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**Describe alternatives you've considered**
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**Additional context**
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Contributor guide

Open the contributing guide

Research direction

Start by reproducing the SQL example in DataFusion and trace how the query engine handles the tuple expression in the IN clause. The issue names no files or tests and provides no proposed design; done means the shown named-tuple query is accepted and produces the expected result.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust, sql
Domain
databases
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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