Fix resource leak by deferring rows.Close() in handleMapping. #64
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The previous code called rows.Close() at the end of the function body, which was skipped on early error returns in the slice loop and would also be skipped on panics during row mapping. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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The previous code called rows.Close() at the end of the function body, which was skipped on early error returns in the slice loop and would also be skipped on panics during row mapping.