SQL feature lineage extraction and unified vector SQL planning
Project description
feature-sql-tool
Current implementation of feature-sql-tool focused on:
- recursive column resolution through CTEs and scope aliases
- computed-vs-passthrough alias classification
- intermediate feature extraction
filter_only_intermediate_featuresclassification through graph reachability- multi-feature unified graph building
- safe SQL optimization by merging features with identical logical query shape
Current scope
This package is a practical implementation scaffold with working core logic for:
- scope parsing
- recursive lineage for one feature
filter_onlyclassification- safe grouping of multiple feature queries into shared aggregate CTEs when their
WITH/FROM/JOIN/WHERE/GROUP/HAVING/QUALIFYsignatures are identical
Notes
The optimizer intentionally uses safe reuse only. It merges features only when their normalized query shape matches exactly.
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