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* Pre: clean up core/src/lib.rs. * Pre: use indexmap 1.0 in db and query-projector. * Change rel results to be a RelResult instance, not a Vec<Vec<TypedValue>>. This avoids memory fragmentation and improves locality by using a single heap-allocated vector for all bindings, rather than a separate heap-allocated vector for each row. We hide this abstraction behind the `RelResult` type, which tracks the stride length (width) of each row. * Don't allocate temporary vectors when projecting RelResults. |
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| README.md | ||
This crate turns an algebrized Datalog query into a domain-specific representation of a SQL query, and then uses mentat_sql to turn that into a SQL string to be executed.
This subsumes both planning and query construction, because in Mentat the SQL query is effectively a query plan.