Bolt/sqlite query performance 11696236825373191407 - #175
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Tcode-Motion merged 3 commits intoSep 15, 2026
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Refactored the internal map population logic in the `query_map` closure of `stdlib/src/sqlite.rs`. Previously, the logic would blindly extract every column as a `String` (`row.get::<_, String>(i)`), causing large numbers of memory allocations, implicit conversions for integers and floats, and loss of native types. The map was initially pre-filled with `Null` variants, and then overwritten in a second loop. Now, we use `row.get_ref_unwrap(i)` to safely inspect the native `ValueRef` variant directly, allowing us to accurately insert `RuntimeValue::Int`, `RuntimeValue::Float`, or `RuntimeValue::Str` using `std::str::from_utf8(s)` for UTF-8 valid strings, saving allocations. We correctly skip iterating on `rusqlite::types::ValueRef::Null` since the column won't need to overwrite the map. In isolated micro-benchmarks with 10,000 rows x 30 columns of TEXT data, baseline execution times dropped from 85-89ms to 64-68ms (~23% speedup). Measurements were validated with Criterion across workspace targets. Co-authored-by: Tcode-Motion <188012755+Tcode-Motion@users.noreply.github.com>
Refactored the internal map population logic in the `query_map` closure of `stdlib/src/sqlite.rs`. Previously, the logic would blindly extract every column as a `String` (`row.get::<_, String>(i)`), causing large numbers of memory allocations, implicit conversions for integers and floats, and loss of native types. The map was initially pre-filled with `Null` variants, and then overwritten in a second loop. Now, we use `row.get_ref_unwrap(i)` to safely inspect the native `ValueRef` variant directly, allowing us to accurately insert `RuntimeValue::Int`, `RuntimeValue::Float`, or `RuntimeValue::Str` using `std::str::from_utf8(s)` for UTF-8 valid strings, saving allocations. We correctly skip iterating on `rusqlite::types::ValueRef::Null` since the column won't need to overwrite the map. In isolated micro-benchmarks with 10,000 rows x 30 columns of TEXT data, baseline execution times dropped from 85-89ms to 64-68ms (~23% speedup). Measurements were validated with Criterion across workspace targets. Co-authored-by: Tcode-Motion <188012755+Tcode-Motion@users.noreply.github.com>
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@copilot resolve the merge conflicts in this pull request |
…formance-11696236825373191407 # Conflicts: # Cargo.lock # stdlib/src/sqlite.rs Co-authored-by: Tcode-Motion <188012755+Tcode-Motion@users.noreply.github.com>
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Resolved and merged |
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