Support ALL (sub query)
Open
dsl
new feature
P3
sql
- Dominant language
- Java
- Stars
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- Avg merge
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Description
Example:
SELECT order_id FROM order WHERE item_id = ALL (SELECT item_id FROM special_item_table).
Imported from Jira [BEAM-5130](https://issues.apache.org/jira/browse/BEAM-5130). Original Jira may contain additional context.
Reported by: amaliujia.
Contributor guide
Research direction
The issue names no source file, test, or entry point; begin by locating Apache Beam's SQL subquery handling and existing tests for quantified predicates. Use the supplied ALL query as the acceptance example and confirm that it is supported with the expected result.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, sql
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100