opensearch-project / opensearch-project/sql
[Enhancement] Clean up subquery grammar with `source = [ <subquery> ]`
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@vamsimanohar is already working on this.
Since Sep 22, 2025.
breaking
enhancement
PPL
- Dominant language
- Java
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Description
we wanted to reserve source= [] syntax for dynamic source selector from the changes here: https://github.com/opensearch-project/sql/pull/4116
Currently, we have unwanted subquery grammar for source clause which we want to remove.
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