perf(results): yielding row→string convert (no isolate double-copy) (#421) - #437
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Avoid shipping full Object? matrices across isolates (peak ~2× copy). Shared convertResultRowsToStringsYielding; MySQL SQL workspace converts while streaming rowsStream. Postgres/SQLite/table browse use the helper. Closes #421
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Summary
convertResultRowsToStringsYielding— convert on the UI isolate with yields every 250 rows (nocomputematrix copy)rowsStream(no intermediateObject?matrix)Closes #421
Parent: #414
Test plan
flutter test test/core/database/result_row_string_convert_test.dartflutter analyzeon touched files